srkrec.edu.insrkrec.edu.in/3_R17_M.pdf · 1 [B17 CE 3101] III B. Tech I Semester (R17) Regular...

1

[B17 CE 3101]

III B. Tech I Semester (R17) Regular Examinations

STRUCTURAL ANALYSIS – II

CIVIL ENGINEERING

MODEL QUESTION PAPER

TIME: 3Hrs. Max. Marks:70

Answer ONE Question from EACH UNIT.

All questions carry equal marks.

*****

UNIT-I

1. Using the unit load method, analyse the plain truss shown in the fig.01 and find the forces in the

members. [14 M]

(OR)

2. Find the forces in the members of the given truss shown in fig.02. Cross section area of vertical

members is 28 cm2 and for the other members is 20 cm

2. Take E = 2 × 10

5 M Pa. Use

castigliano’s theorem II. [14 M]

UNIT-II

3. Analyse the portal frame shown in fig.03 by slope deflection method. Draw shear force diagram.

[14 M]

11000 N 2400 N

A

B

3500 N

4 m

C

Fig. 02

5 m

D 54 kN

A B

2 m

C

Fig. 01

2 m

D 36 kN

1.5 m

Fig.03

20 kN

4 m

C 10 kN

3 m

D A

B

2I

1.5 I

2I

1.5 m

Fig. 04

1 kN/m

C

6 m

D

A

B

2 I

2 I

3 I

6 m

3 m

2

(OR)

4. Analyse the portal frame shown in fig.04 by rotation contribution method(Kani’s method).

Sketch bending moment diagram. [14 M]

UNIT-III

5. A symmetrical three hinged parabolic arch of span 40 m and rise 8 m carries a point load of 30

kN at 10 m horizontally from the left hand hinge. The hinges are provided at the supports and at

the center of the arch. Calculate the reactions at the supports also calculate the bending moment,

radial shear and normal thrust at a distance of 10 m from the left support. Also calculate the

maximum Positive and B.M and maximum Negative B.M.

[14 M]

(OR)

6. A two hinged parabolic arch has span 40 m and rise of 6 m it has second moment of arch

varies as secant of the slope of rib axis and carries uniformly distributed load 30 kN/m over left

half of the spam together with concentrated load of 120 kN act at 5m from right support.

Calculate the reactions and horizontal thrust at the ends and point out the values of maximum

positive and negative moments and also find out the radial shear and normal thrust at 10m from

right support [14 M]

UNIT-IV

7. A suspension cable hangs between two points A and B, separated horizontally by 100 m. The

position of B is 16 m above A. The lowest point in the cable is 3 m below A. The stiffening

girder weight 2.5 kN/m and is hinged vertically below the point A,B and the lowest point of the

cable . Calculate the maximum tension which occurs in the cable when a 200 kN load crosses the

girder from A to B. [14 M]

(OR)

8. A suspension bridge of 120 m span has two three hinged stiffening girders supported by two

cables having a central dip of 12 m. the road way has a width of 6 m. The dead load on the

bridge is 5 kN/m2 while the live load is 10 kN/m

2 which acts on the left half of the span.

Determine the shear force and bending moment in the girder at 30 m from the left end. Find also

the maximum tension in the cable of position of live load. [14 M]

UNIT-V

9. Analyse the two span continuous beam shown in the fig. 05 by using stiffness matrix method.

[14 M]

D

3 m

20 kN/m

A

50 kN

5 m

B C

3 m

Fig. 05

3

(OR)

10. Analyse the two span continuous beam shown in the fig. 06 by using flexibility matrix method.

Also draw bending moment diagram. [14 M]

[B17 CE 3101]

3 m

18 kN-m

A

24 kN

2 m

B C

1 m

Fig. 06

1 m

4

[B17 CE 3102]


REINFORCED CONCRETE STRUCTURES I

CIVIL ENGINEERING


TIME: 3Hrs. Max. Marks: 70



*****

UNIT-I

1. (a). Discuss about characteristic load and design values for materials and loads. 4M

(b). Analyze an isolated T-beam, having a span of 6.0 m and cross section having

flange width of 1300 mm, flange thickness of 100 mm, web width of 325 mm

and an effective depth of 420 mm, is reinforced with 7 Nos of 28 mm dia bars

on tension side. The materials used are concrete mix of grade M 20 and HYSD

steel of grade Fe415.

10M

(OR)

2. (a). Under what circumstances are doubly reinforced beam used and what are the

advantages of doubly reinforced beams over singly reinforced beams

4M

(b). A rectangular beam of 7m span (centre-to-centre of supports) resting on 300

mm wide simple supports, is to carry a uniformly distributed dead load

(excluding self-weight) of 15 kN/m and a live load of 20 kN/m. Using Fe 415

steel and beam subjected moderate exposure condition, design the beam section

at mid span.

10M

UNIT-II

3. (a). Stirrups may be vertical or inclined. When does it become mandatory to use

vertical stirrups.

2M

(b). A simply supported beam 300 × 600 mm (effective) is reinforced with five bars

of 25 mm diameter. It carries a characteristic load of 80 kN/m( including its

own weight) over an effective span of 6 m. out of five main bars, two bars can

be bent-up safely near the support. Design the shear reinforcement for the

beam. Using M 20 grade of concrete and Fe 415 steel.

12M

(OR)

4. (a). Briefly discuss the different modes of failure under combined flexure and

torsion

7M

(b). Design a rectangular beam section, 300 mm wide and 550 mm deep(overall),

subjected to an ultimate twisting moment of 25 kNm, combined with an

ultimate bending moment of 60 kNm and an ultimate shear force of 50 kN.

Assume M 20 concrete and Fe 415 steel.

7M

UNIT-III

5. (a). Explain the difference in the behavior of one way slabs and two way slabs 7M

(b). A hall in a building has a floor consisting of a one-way continuous slab cast

monolithically with simply supported 250 mm wide beams spaced at 4 m

centre-to-centre. The clear span of the beam is 9 m. Assuming a live load on

the slab as 3.0 kN/m2, partition load as 1 kN/m

2 , and load due to finishes as 0.6

7M

5

kN/m2. Design the slab with M 20 grade concrete and Fe 415 steel.

(OR)

6. (a). Explain the need for corner reinforcement in two-way rectangular slabs whose

corners are prevented from lifting up.

2M

(b). Design a simply supported slab to cover a hall with internal dimensions 4.0 m ×

6.0 m. The slab is supported on masonry walls 230 mm thick. Assume a live

load of 3 kN/m2 and a finish load of 1.0 kN/m

2. Use M 20 concrete and Fe 415

steel. Assume that the slab corners are prevented from lifting up.

12M

UNIT-IV

7. (a). Distinguish between (i) unsupported length and effective length of a

compression member; (ii) braced column and unbraced column.

2M

(b). Design the reinforcement for a column with 𝑙𝑒𝑥 = 𝑙𝑒𝑦= 3.5 m and size 300 ×

500 mm, subject to a factored axial load of 1250 kN with biaxial moments of

180 kNm, and 100 kNm(i.e., 𝑀𝑢𝑥= 180 kNm, 𝑀𝑢𝑦= 100 kNm). Assume M 25

concrete and Fe 415 steel.

12M

(OR)

8. (a). Enumerate the functions of the transverse reinforcement in a reinforced

concrete columns.

2M

(b). Design a short square column, with effective length 3.0 m capable of safety

resisting the following factored load effects (under uniaxial eccentricity)

𝑃𝑢 = 1625 𝑘𝑁,𝑀𝑢 = 75 𝑘𝑁𝑚 Assume M 25 concrete and Fe 415 steel.

12M

UNIT-V

9. (a). What are the types of shear checks to be done in isolated footings? Explain. 2M

(b). Design an isolated footing for a rectangular column 300 × 500 mm, reinforced

with 6-25 mm ø bars, and carrying a factored axial load of 1000 kN and

afactored uniaxial moment 𝑀𝑢𝑥 = 120 𝑘𝑁/𝑚 ( with respective to the major

axis) at the column base. Assume the moment is reversible. Assume soil with

an allowable pressure of 200 kN/m2 at a depth of 1.25 m bellow ground.

Assume Fe 415 grade steelfor column and footing, and M 20 grade concrete for

the footing and M 25 grade concrete for column.

12M

(OR)

10. (a). Explain the basic difference in structural behaviour between ‘stair slabs

spanning transversely’ and stair slabs spanning longitudinally

7M

(b). Design a dog-legged staircase(‘waist slab’) for an office building, assume a

floor-to-floor height of 3.0 m, a flight width of 1.2 m, and a landing width of

1.25 m. Assume the stairs to be supported on 230 mm thick masonary wall at

the edges of the landing, parallel to the risers. Assume live loads of 5.0

kN/m2and mild exposure conditions. Use Fe 415 steel.

12M

[B17 CE 3102]

6

[B17 CE 3103]


STEEL STRUCTURES I

CIVIL ENGINEERING





*****

UNIT-I

1. (a). State the advantages of welded connections over bolted connections? 2M

(b). Determine the safe load and efficiency of a single cover butt joint. The main

plates are 18 mm thick connected by 22 mm diameter bolts at a pitch of 150 mm.

Design the cover plate also. What is the percentage reduction in the efficiency of

the joint if the plates are lap jointed.

12M

(OR)

2. (a). Why are drilled holes preferable than punched holes? 2M

(b). Design a butt joint to connect two plates 200 ×8 mm (Fe 410 grade) using M 16

bolts. Arrange the bolts to give maximum efficiency.

12M

UNIT-II

3. (a). Why are slot and plug welds not preferred. 2M

(b). Design a connection to joint two plates of sizes 250 mm ×12 mm of grade Fe 410

to mobilize full plate tensile strength using shop fillet welds if (i) a lap joint is

used (ii) a double cover butt joint is used.

12M

(OR)

4. (a). Under what circumstances are slot and plug welds used. 2M

(b). A tie member of truss consisting of an angle section ISA 75×75×8 mm of Fe 410

grade, is welded to a 10 mm gusset plate. Design a weld to transmit a load equal

to the ful strength of the member. Assume shop welding.

12M

UNIT-III

5. (a). What is lug angle? Why lug angles are used. 4M

(b). Design a tension member to transmit a pull of 150kN.Effective length is

4.5m.Member should consist of a pair of angles connected to the one side of the

gusset plate of thickness 10mm. Use 20 mm bolts of grade 4.6

10M

(OR)

6. (a). What is meant by shear lag. 2M

(b). A diagonal member of a roof carries an axial tension of 500 kN. Design the

section and its connection with a gusset plate. Use 𝑓𝑦 = 250 𝑀𝑃𝑎,𝑓𝑢 = 410 𝑀𝑃𝑎

12M

UNIT-IV

7. (a). What is the main purpose of lacings and battens. 7M

(b). Design a column with two channels connected back to back and battened to

support a load of3500kN.The effective length of the column is 5m. Design

battens also.

7M

(OR)

7

8. Design a built up column with two channels placed face-to-face and separated

apart. The column is of 6.6 m effective length and supports a factored load of

1500 kN. Also design the lacing system.

14M

UNIT-V

9. Design a laterally supported beam of effective span 6 m for the following data.

Grade of steel Fe 410, maximum bending moment M = 150 kNm, maximum

shear force V = 210 kN, check for deflection is not required.

14M

(OR)

10. (a). Distinguish between laterally supported and unsupported beams? 4M

(b). Design a laterally unsupported beam with 6m simply supported effective

span,subjected to a point load of 40 kN at mid span, select a section of ISMB 300

mm.

10M

[B17 CE 3103]

8

[B17CE3104]

III B. Tech I Semester (R17) Regular Examinations GEOTECHNICAL ENGINEERING-I

CIVIL ENGINEERING





*****

UNIT-I

1. (a). Derive the Relation ρd= (1-na)G.ρw

1+WG

7M

(b). In a field exploration, a soil sample was collected in a sampling tube of internal

diameter 5cm below ground water table. The length of the extracted sample

was 10.2cm and its weight was 387gm.If G=2.7,and the weight of the dried

sample is 313gm,Determine the porosity, Void Ratio, Degree of Saturation,

Bulk Density and dry density of the sample.

7M

(OR)

2. (a). Discuss about Indian Standard Classification System 7M

(b). A soil sample obtained from a core cutter is 500mm in diameter and 100mm

in height. Its wet unit weight is 17kN/m3 and dry unit weight is 13kN/m

3. If the

specific gravity of solids is 2.8 determine the volume of solids of the

specimen and also determine the moisture content in the soil specimen.

7M

UNIT-II

3. (a). A Sand deposit consists of two layers. The top layer is 2.5mt

thick(ρ=1709.67Kg/m3) and the bottom layer is 3.5m thick

(ρsat=2064.52Kg/m3).The water table is at a depth of 3.5m from the surface and

the Zone of capillary saturation is 1 m above the water table ,Determine the

Total, Neutral and effective stresses.

7M

(b). Explain the factors Effecting Permeability 7M

(OR)

4. (a). Explain Quick sand condition and critical hydraulic gradient. 7M

(b). A Constant head Permeability test was carried out on a cylindrical sample of

sand 10cms dia& 15cm height 160cm3 of water was collected in 1.75 mins.

Under a head of 30cm. Compute the Coefficient of permeability (K) &

Velocity of Flow.

7M

UNIT-III

5. (a). Derive an expression for the vertical stress at a point due to a point load,

using Boussinesq’s theory.

7M

(b). A square foundation 5m x 5m is to carry a load of 4000kN. Calculate the

vertical stress at a depth of 5m below the centre of the foundation IN=0.084

for m=n=0.5. Also determine the vertical stress using 2:1 distribution.

7M

(OR)

9

6. (a). Explain about New mark’s Influence Chart 7M

(b). A Concentrated Load of 2000kNis applied at the ground surface. Determine the

vertical stress at a point P which is 6m directly below the load. Also calculate

the vertical stress at a point R which is at a depth of 6m but at a horizontal

distance of 5m from the axis of the load.

7M

UNIT-IV

7. (a). What is the Effect of Compaction on Engineering Properties of Soil? Discuss in

briefly

7M

(b). A Stratum of Clay is 2m thick and has an initial overburden pressure of

50kN/m2 at its middle. Determine the final settlement due to an increase of

40kN/m2

at the middle of the clay layer. The clay is over-consolidated, with a

pre consolidation pressure of 75kN/m2.The values of the coefficients of

recompression and Compression index are 0.05 and 0.25, respectively. Take

initial Void ratio as 1.40

7M

(OR)

8. (a). Discuss Terzaghi’s theory of consolidation, Stating various assumptions 7M

(b). A 3m thick clay layer beneath a building is over lain by a permeable

stratum and i s under lain by an impervious rock. The coefficient of

consolidation of the clay was found to be 0.025cm2/minute. The final

expected settlement for the layer is 8cm, (a) How much time will it

take for 80% of the total settlement to take place? (b)Determine the

time required for a settlement of 2.5cm to occur (c)Compute the

settlement that would occur in one year.

7M

UNIT-V

9. (a). What are the advantages of triaxial shear test over the direct shear test 7M

(b). In a direct shear test, the following results are obtained.

Normal stress (kN/m2) 25 50 75

Shear stress at failure (kN/m2) 30 45 60

Size of soil sample is 60mm x 60mm

Find the shear parameters if a triaxial test was conducted on the same

soil with a cell pressure of 30kN/m2, what would be the deviator stress at

failure?

7M

(OR)

10. (a). How the shear tests classified is based on drainage conditions? What practical

situations do they simulate?

7M

(b). A shear Vane of 7.5cm diameter and 11.00cm length was used to measure the

shear strength of soft clay. If a torque of 600N-m was required to shear the soil,

Calculate the shear strength. The Vane was then rotated rapidly to cause

remolding of the soil. The Torque Required in the remoulded state was 200N-

m.Determine the Sensitivity of the soil.

7M

[B17CE3104]

10

/

[B17CE3105]

III B. Tech II Semester (R17) Regular Examinations

FLUID MECHANICS -II CIVIL ENGINEERING





*****

UNIT-I

1. (a). Derive an expression for drag force on a smooth sphere of diameter of D

moving with a Uniform velocity V in a fluid of density ρ having Dynamic

viscosity μ using Rayleigh’s Method.

7M

(b). Explain Boundary Layer separation with a neat sketch 7M

(OR)

2. (a). Explain different model laws used in Dimensional Analysis along with

examples

7M

(b). Air flows over a flat 1m long at a velocity of 6 m/s. Determine

(a) The boundary layer thickness at the end of the plate

(b) Shear stress at the middle of the plate

(c) The total drag per unit length on the sides of the plate

Take density of air ρ = 1.226 kg/m3 and kinematic viscosity υ = 0.15 x 10-4

m2/ s

7M

UNIT-II

3. (a). Derive an expression for force exerted by jet and work done by the jet on a

movingvertical flat plate with a neat sketch

7M

(b). A kite weighing 12.26 N has an effective area of 0.9 m2 The tension in the kite

string is 32.37N when the string makes an angle of 45ᴼ with the horizontal. For

a wind of 32 km/hr,what are the coefficients of lift and drag if the kite assumes

an angle of 8ᴼwith the horizontal. Take specific gravity of air as 11.801 kg/𝑚3

7M

(OR)

4. (a). Explain different types of Drag and Magnus effect with neat sketches 7M

(b). A jet of water of Diameter 7.5cm strikes a curved plate at its centre with a

velocity of 20 m/s. The curved plate is moving with a velocity of 8 m/s in the

direction of the jet. The jet is deflected through an angle of 165ᴼ. Assume the

plate is smooth find

a) exerted on the plate in the direction of the jet

b) Power of the jet

c) Efficiency of the jet

7M

11

UNIT-III

5. (a). Explain (1)cavitation, (2)Impulse Turbine and(3) Draft tube provideexamples

where ever necessary

7M

(b). A pelton wheel has a mean bucket speed of 12 m/s and is supplied with water at

arate of 750 litres per second under a head of 35 m. If the bucket deflects the jet

through an angle of 160ᴼ, find the power developed by the turbine and its

hydraulic efficiency.Take the coefficient of velocity as 0.98. Neglect friction in

the bucket. Also determinethe overall efficiency of the turbine if its mechanical

efficiency is 80%

7M

(OR)

6. (a). Define Hydraulic efficiency, Mechanical efficiency, Volumetric efficiency, and

overall Efficiency

7M

(b). A Pelton wheel developes 5520 kW under a head of 240m at an overall

efficiency of 80% when revolving at a speed of 200 r.p.m. Find the unit

discharge, unit power and unit speed.

7M

UNIT-IV

7. (a). Define Net positive suction head ,specific speed of centrifugal pump and

operating characteristic curves

7M

(b). Determine the maximum speed at which a double acting reciprocating pump

can be operated under the following conditions (1) no air vessel on the suction

side (2) a very large air vessel on the suction side close to the pump. The

suction lift is 4m, length of the suction pipe is 6.5m, diameter of suction pipe is

100mm, diameter of piston is 150mm and length of stroke is 0.45m.Assume

simple harmonic motion, atmospheric head as 10.3m of water and separation

occurs at 2.6m of water absolute.

Take Darcy’s f = 0.024

7M

(OR)

8. (a). Find the power required to drive a centrifugal pump which delivers 40liters of

water per second to height of 20m through a 150mm diameter and 100 mm

long pipeline. The overall efficiency of pump is 70% and Darcy’s f= 0.06 for

the pipeline. Assume the suction pipe inlet losses is equal to 0.33 m

7M

(b). Explain

(1) Types of reciprocating pumps (2) Slip of reciprocating pump (3) Air vessels

With neat sketches where ever required.

7M

UNIT-V

9. (a). Derive expressions for Hydraulic mean radius and the side slope of the

economical trapezoidal channel.

7M

(b). Discharge of 10 𝑚3/s is allowed to pass through a rectangular channel of width

3.5mhaving a depth of water equal to 1.5 calculate critical depth of that channel

and the corresponding specific energy.

7M

(OR)

10. (a). A discharge of 25𝑚3/s is allowed in a trapezoidal channel having a base width

of 2.5m and side slopes equal to 1:1.5 depth of water in the channel is equal

7M

12

1.5m and longitudinal slope of the channel is equal to 1 in 5000 value of

manning’s coefficient is equal to 0.015. Calculate the velocity of flow and

Chezy’s constant C

(b). During a rapidly varied flow the post jump depth is equal 2.5m and the Froude

number corresponding to post jump is equal to 0.5 calculate the pre jump depth,

energy loss in the rapidly varied flow and height of the jump.

7M

[B17CE3105]

13

[B17CE3106]


ESTIMATION AND QUANTITY SURVEYING

CIVIL ENGINEERING





*****

UNIT-I

1. (a). State and explain different types of Sanctions/Approvals 7M

(b). Explain the following:

i) SoR

ii) Work Charged Establishments

iii) Quantity surveying

7M

(OR)

2. (a). Explain the errors in estimation? 7M

(b). State and explain different types of estimates 7M

UNIT-II

3. Estimate the quantities of the building items of a two roomed building from the given

plan and section as shown in figure:1

i) Lime concrete in foundation

ii) 1st class brick work with 1:6 cement mortar in foundation and plinth

Figure:1

14M

14

(OR)

4. (a). Prepare a detailed estimate of the following items for a R.C.C. beam of 8 meter clear

span and 75cm X 40cm in section from the given figure:2

i) R.C.C. work including centering and shuttering

ii) Steel in detail shall be calculated separately and

iii) Prepare a schedule of bars.

figure:2

14M

UNIT-III

5. Prepare the rate analysis for the following items of work. Assume suitable rates for

material and labour.

i) Brick masonry work in CM (1:6)

ii) Plastering in CM (1:4), 12mm thick for walls

14M

(OR)

6. Give the detailed specifications for the following items of work

i) RCC (1:2:4) for roof slabs

ii) Wood work for door and window frames

iii) Random Rubble stone masonry in (1:3) lime sand mortar

14M

UNIT-IV

7. Estimate the cost of earthwork for a portion of road for 360m length from the

following data:

14M

15

The formation width of the road is 10m and the side slopes are 2:1 in banking and

1.5:1 in cutting

(OR)

8. The ground levels along the center line of the road are given below

Chainage (meters) 0 50 100 150

RL of Ground 97.00 96.50 96.00 97.50

The road is to be formed in embankment with the formation level at 100.00m

throughout the length. If the road width is10.00 m and the side slopes 2:1, calculate

the quantity of earthwork required by Trapezoidal rule. Assume transverse slope as

level

14M

UNIT-V

9. (a). Define valuation. Explain briefly the valuation methods. 7M

(b). An old building has been purchased by a person @ a cost of Rs. 6,00,000/- excluding

the cost of land. Calculate the amount of annual sinking fund @ 9% interest assuming

the life of building as 30 years and the scrap value of the building as 10% of the

purchase.

7M

(OR)

10. A freehold property having an area of 800 sq.m. is jointly held by four brothers and it

is fully developed. It’s a 4 storeyed building having a basement. The structure is being

designed and used as a college building. It is an RCC framed structure given for a

monthly rent of Rs. 8000/- (for whole building). The usual outgoings may be taken as

20% of gross annual rent. Work out the share of each brother in property.

14M

[B17CE3106]

16

[B17 CE 3201]


REINFORCED CONCRETE STRUCTURES II

CIVIL ENGINEERING





*****

UNIT-I

1. (a). What is the purpose of a retaining wall? What are the different types of

concrete retaining walls?

2M

(b). A cantilever-retaining is required to retain earth 3.8 m high above the ground

level. The backfill surface is inclined at an angle 15º with the horizontal and the

backfilled soil has a unit weight of 18 kN/m3 and an angle of internal friction of

30º. The exposure condition is moderate. Assume that the SBC of soil is 150

kN/m2 and that the coefficient of friction between the soil and concrete is 0.5.

Design the RC retaining wall.

12M

(OR)

2. (a). What is the purpose of a shear key? Describe its action. 2M

(b). Design a counterfort-type retaining wall to retain a 6.8 m high backfill above

the ground lavel. The unit weight and SBC of soil at the site are 18 kN/m3and

170 kN/m2,respectively. The angle of internal friction of soil and coefficient of

friction are 30º and 0.6 respectively. The exposure condition is moderate.

12M

UNIT-II

3. (a). What are the types of joints used in water tanks. 2M

(b). Design an R.C tank of internal dimensions 12 m × 3.5 m × 3.5 m. The tank is to

be provided underground. The soil surrounding the tank is get wet. Adopt

suitable working stress. Soil weighs 1800 kg/ cubic metre. Use M 20 concrete

and Fe 250 steel.

12M

(OR)

4. (a). An open square tank is 5 m × 5 m × 3 m deep and supported 6 m above the

ground level on beam on beams and columns. Design the tank and the

supporting beams columns and foundations. Use M 20 concrete and Fe 250

steel. Sketch the reinforcement details of water tank.

14M

UNIT-III

5. (a). Define economical span 2M

(b). Design a RC slab bridge of span 4.5 m for IRC class AA (tracked vehicle) with

M 25 concrete and Fe 415 steel. Assume width of roadway as 7.5 m with

footpath of 600 mm on either side. Draw the cross sectional details of the slab.

10M

(OR)

6. Design a RCC Tee beam girder bridge to suit the following data

Clear width of roadway = 7.5 m

Span (centre to centre of bearing)= 16 m

14M

17

Live load: I.R.C class AA tracked vehicle

Average thickness of wearing coat= 80 mm

Use M 25 grade and Fe 415 steel, using courbon’s method, compute the design

moments and shear, design of deck slab, main girder and cross girders and

sketch the typical details of reinforcement.

UNIT-IV

7. (a). Under what circumstances are pile foundations preferred. 2M

(b). An RC column of size 400×400 mm is supported on four piles of 300 mm

diameter (bored cast in situ piles). The column carries a load of 750 kN and a

moment of 250 kNm in the 𝑥 − 𝑥 direction. Design the pile cap assuming M 25

concrete and Fe 415 steel. Further, assume that the piles are capable of resisting

the reaction from the pile cap.

12M

(OR)

8. (a). Design precast pile of diameter 400 mm carrying an axial load of 275 kN

placed in submerged medium dense sandy soil having an angle of internal

friction of 32o. The density of soil is 18 kN/m

3 and submerged density of soil is

10 kN/m3. Angle of wall friction between concrete pile and soil, 𝛿 is 0.75 ∅=

24º. Assume the following data: Depth of top of pile cap below ground level is

500 mm, thick ness of pile cap is 1.5 m grade of concrete in pile is M 25, Fe

415 steel used and clear cover to reinforcement is 75 mm. Determine the

vertical capacity of the pile in accordance with IS 2911 (Part I section I) and

design the pile.

14M

UNIT-V

9. (a). How is the combined shear and moment transfer in flat slab consider 2M

(b). Design the interior panel of flat slab of size 5 m×5 m with suitable drop to

support a live load of 4 kN/m2. The floor is supported by columns of size 450

mm× 450 mm. Use M 20 concrete and Fe 415 steel. Sketch the reinforcement

details by cross sections i) at column strip ii) at middle strip.

12M

(OR)

10. (a). Briefly explain the approximate analysis of grid floor according to IS 456:2000 2M

(b). A reinforced concrete grid floor is to be designed to cover a floor area of 12 m

× 18 m. The spacing of the ribs in mutually perpendicular directions is 1.5 m

center to center . Live load on floor is 3 kN/m2. Adopt M 20 grade concrete and

Fe 415 grade HYSD bars. Assume ends are simply supported. Analyse the grid

floor by IS 456:2000 method and design suitable reinforcements in the gride

floor.

12M

[B17 CE 3201]

18

[B17 CE 3202]


STEEL STRUCTURES II

CIVIL ENGINEERING





*****

UNIT-I

1. (a). Differentiate between a slab base and gusset base. 2M

(b). Design a suitable slab base for a column section ISHB [email protected] N/m supporting

an axial load of 400 kN. The base plate is to rest on concrete pedestal of M 20

grade.

12M

(OR)

2. (a). Explain types of slab bases. 2M

(b). Design a gusseted base for a column ISHB 250 @64.96kg/m two cover plates 300

mm × 20mm one to each flange to transmit an axial load of 1800kN.The concrete

pedestal is M 20 grade.

12M

UNIT-II

3. (a). What is the difference between a beam and plate girder. 2M

(b). Design a welded plate girder 24 m in span and laterally restrained throughout. It

has to support a uniform load of 100 kN/m throughout exclusive of self weight.

Design the girder without intermediate transverse stiffeners. Design the cross

section with end load bearing stiffeners and connections.

12M

(OR)

4. (a). How does the plate girder derive post-buckling strength. 2M

(b). Design the plate girder using intermediate transverse stiffeners. Connections need

not be designed. Use post critical method for the design. Maximum bending

moment 11,448 kNm and shear force1908 kN.

12M

UNIT-III

5. (a). Write brief note on suspended bottoms in water tanks 2M

(b). Design an elevated cylindrical steel tank with hemispherical bottom, for a capacity

of 1,20,000 liters. The tank has conical roof and its ring beam is 15 m high above

the G.L. Take basic wind pressure as 1.5kN/m2.

12M

(OR)

6. (a). For an elevated cylindrical tank of height 5 m and diameter 5 m, estimate the wind

pressure on the tank, if basic wind pressure is 1.5 kn/m2.

2M

(b). Design an overhead circular of riveted steel for a capacity of 60000 litres. The tank

is to be supported on four columns; each of 9 m height. The tank is to be built at

Bombay.

12M

UNIT-IV

7 Design an unstiffened welded seat connections for beam ISMB [email protected] N/m

transmitting an end reaction of 110 kN, due to the factored loads the flange of the

14M

mailto:[email protected]

mailto:ISMB%[email protected]

19

column ISHB 200 @ 365.9 N/m. The seat angle is welded to the column flange in

workshop.

(OR)

8. (a). Distinguish between unstiffened and stiffened seat angle connections. 7M

(b). Design a stiffened welded seat connection between a beam ISMB 400 @604.3

N/m and column ISHB 200@ 365.9 N/m for a reaction of beam 120 kN. Assuming

Fe 410 grade steel and site welding.

7M

UNIT-V

9. Design a rocker bearing for a bridge girder having the following data

i) D.L + L.L+ I.L reaction: 1200 kN

ii) Reaction due to wind Overturning effect: 230 kN

iii) Lateral load due to wind: 80 kN

iv) Longitudinal force: 360 kN

Assume any other data not given

14M

(OR)

10. Design a roller bearing for the plate girder having following data

i) Vertical load due to DL+ LL+ Impact = 924.4 kN

ii) Vertical load due to wind overturning= ½ × 395.6 = 197.8

Total vertical reaction= 924.4+197.8 = 1122.2 kN

iii) lateral load due to wind = 238.5 kN

iv) Longitudinal load = 294.2 kN.

14M

[B17 CE 3202]

20

[B17CE3203]

III B. Tech II Semester (R17) Regular Examinations GEOTECHNICAL ENGINEERING-II

CIVIL ENGINEERING





*****

UNIT-I

1. (a). Explain two boring methodswith neat sketch 7M

(b). Describe, in brief, various geophysical methods. 7M

(OR)

2. (a). Discuss standard penetration test.Whatare the various corrections? 7M

(b). The measured Nvalue inaborehole is foundto be 20. Thedepthofthe borehole

was 15m.Thewater tablewaslocated 1.5mbelow ground level.The soil is fine

silty and its unit weight above and below water table was 16and

21kN/m3respectively. Calculatethecorrectedvalueof N.

7M

UNIT-II

3. (a). What are different types of shallowfoundation?Explain with the helpof

sketches.

7M

(b). A Square footing is to be designed to carry a total load of 500KN in a soil

having C=10kN/m2,Ø=25

0,γ=16kN/m

3.The footing is to be laid at a depth of

2mts. belowground level and F.S is 3.Find the Dimension of the footing. Given

Nc=22,Nq=11,Nγ=9.

7M

(OR)

4. (a). Derive the expression for Terzaghi’s Bearing Capacity theory and write the

assumptions?

7M

(b). Afooting 4mx2minplan,transmitsapressureof150N/sq.m on a cohesive soil

having E=6x104kN/sq.m andµ=0.50.Determine the immediate settlement of

the footing at the center, assuming it to be (a) a flexible footing, I=1.32

and (b) a rigid footing,I=1.20

7M

UNIT-III

5. (a). Explain Pneumatic Caisson with neat sketch and mention its advantages and

disadvantages.

7M

(b). A concrete pile, 25cm in diameter is driven in to a dense sand (Ø = 300,

γ=20kN/m3,K=1, Tanδ=0.70) for a depth of 6m. If the water table is at 2m

from the ground level, estimate the safe load, taking Factor of safety 3.

7M

(OR)

6. (a). Discuss the Causes and Remedies for Tilts and Shifts (with neat sketches) in

Well Foundations.

7M

(b). A pile group consists of 9 piles of 300mm dia and length 10m, is arranged in 3 7M

21

rows at spacing of 750mm c/c. The piles are driven into a deposit of clay

whose properties are C=100kN/m2, γ=20kN/m

3.Determine the safe load on the

pile group. Take F.S=3,α=0.6,Nc=9

UNIT-IV

7. (a). Discuss the Friction circle method for the stability analysis of slopes. Can this

method be used for purely cohesive soil?

7M

(b). A cut of length 10m is made in a cohesive soil deposit (C=30kN/m2, Ø = 0

0,

γ=20kN/m3).There is a hard stratum under the cohesive soil at a depth of 12m

below the original ground surface. If the required factor of safety is 1.5,

determine the safe slope

7M

(OR)

8. (a). Explain types of slope failures 7M

(b). Aslopeis to be Constructionin a soil ForwhichC=0and Ø = 360.

Itis

tobeassumedthatthewaterlevelmayoccasionallyreachthesurfaceofaslope,with

seepage

takingplaceparalleltotheslope.Determinethemaximumslopeangleforaforafactor

ofsafety1.5,assumingapotentialfailuresurfaceparalleltotheslopeWhatwouldbeth

efactorofsafetyoftheslope,constructedatthisangle,ifthewatertableshouldbewellb

elowthesurface?

7M

UNIT-V

9. (a). What are the assumptions of Rankine’s theory? Derive the expressions for

active pressure and passive pressure

7M

(b). Determine the passive pressure by Rankine’s theory per unit run for a retaining

wall 4m high, with i=150, Ø = 30

0and γ=20kN/m

3. The back face of the wall is

smooth and vertical.

7M

(OR)

10. (a). DiscussCulmann’smethodforthe determinationof active earth pressure. 7M

(b). A5mhigh rigid

retainingwallhastoretainabackfillofdry,cohesionlesssoilhavingthefollowingpro

perties: Ø =

300,e=0.74andG=2.68.PlotthedistributionofRankinelateralearthpressureonthew

allanddeterminethemagnitudeandpointofapplicationoftheresultantthrust.

7M

[B17CE3203]

22

[B17 CE 3204]


TRANSPORTATION ENGINEERING - I

CIVIL ENGINEERING





*****

UNIT-I

1. (a). Briefly outline the highway development in India. 7M

(b). Compare Nagpur & Bombay Road Development plans. 7M

(OR)

2. (a). What is master plan? Explain the importance of master plan in highway

planning

7M

(b). Briefly outline about rural road development plan 7M

UNIT-II

3. (a). Discuss the design factors of Highway alignment 7M

(b). Calculate the safe stopping distance for design speed of 50 kmph for two-way

traffic on a two lane road. Assume coefficient of friction as 0.35 and reaction

time of driver as 2.5 seconds

7M

(OR)

4. (a). Derive an expression for extra widening on horizontal curvers. 7M

(b). Find out the length of transition curve for the following data: Radius of

horizontal curve = 400m, design speed = 100 kmph, length of wheel base =

6.2m, number of lanes = 2, rainfall at the location = heavy, terrain condition =

hilly, superelevation is introduced by rotating the edges with reference to center

line and rate of introduction of superelevation is 1 in 150. Width of highway is

7m.

7M

UNIT-III

5. (a). Explain how the speed and delay studies are carried out. What are the various

uses of delay studies?

7M

(b). What are the various types of parking facilities designed for traffic needs? 7M

(OR)

6. (a). Explain the relationship between speed, travel, time, volume, density and

capacity.

7M

(b). Explain the various measures that may be taken to prevent accidents. 7M

UNIT-IV

7. (a). Explain the test procedure of shape test for aggregates. 7M

(b). Estimate the thickness of cement concrete pavement using the method

suggested by IRC. Modulus of elasticity of concrete = 3.5 X 105 kg/cm

2,

7M

23

Modulus of rupture of concrete = 30 kg/cm2, Poisson’s ratio of concrete = 0.17,

Modulus of subgrade reaction = 5 kg/cm2, Wheel load = 4800 kg, Radius of

contact area = 13 cm.

(OR)

8. (a). Discuss the properties of bitumen 7M

(b). Explain group index method of pavement design. What are the limitations of te

method?

7M

UNIT-V

9. (a). Write a descriptive note on maintenance of highways 7M

(b). Write a short note on alligator and reflection cracking. 7M

(OR)

10. (a). What are the requirements of material, plants & equipment’s for bituminous

pavement construction? Discuss briefly.

7M

(b). Give a descriptive note on Pavement Evaluation Techniques 7M

[B17 CE 3204]

24

[B17CE3205]

III B. Tech IInd Semester (R17) Regular Examinations AIR POLLUTION AND CONTROL

CIVIL ENGINEERING





*****

UNIT-I

1. (a). Define air pollution. Explain the various factors influencing air pollution. 7M

(b). Discuss about the typical gaseous pollutants and their sources. 7M

(OR)

2. (a). Write critical note on air quality standards. 7M

(b). What are the major harmful effects of particulate matter on human health and

materials?

7M

UNIT-II

3. (a). Explain the plume behaviour in detail. 7M

(b). What is maximum mixing depth? Explain its practical significance in Air

pollution control.

7M

(OR)

4. (a). What is atmospheric stability? Explain the temperature inversions with

reference to air pollution.

7M

(b). What is meant by effective stack height? Mention guidelines for minimum. 7M

UNIT-III

5. (a). List the recorded major air pollution episodes chronologically. State their

significant features.

7M

(b). How SOx and NOx emissions affect human health and the growth of plants? 7M

(OR)

6. (a). Explain the effects of carbon monoxide and sulphur oxides on human health. 7M

(b). Explain any two air pollution disasters occurred during 20th

and 21st centuries. 7M

UNIT-IV

7. (a). List the sampling devices used for air quality monitoring. Explain in brief

various sampling methods of gaseous pollutants.

7M

(b). Explain the importance of stack monitoring. List out various methods of stack

monitoring.

7M

(OR)

8. (a). Write short notes on Ambient Air Quality monitoring. 7M

(b). What is the use of high volume sampler? Explain. 7M

UNIT-V

9. (a). Explain with the help of a neat sketch the working of an electrostatic

precipitator.

7M

(b). Explain with the help of a neat sketch the working of a centrifugal scrubber. 7M

25

(OR)

10. (a). With a neat sketch, explain working of a cyclone separator. 7M

(b). When do you recommend absorption as a method of control of gaseous

contaminants?

7M

[B17CE3205]

26

[B17CS3213]


DATABASE MANAGEMENT SYSTEMS (Common to CE & ME)





*****

UNIT-I

1. (a). Who are the different database users? Explain their interfaces to database management system.

7M

(b). Describe the client server architecture for the database with necessary diagram. 7M

(OR)

2. (a). Briefly explain the Database Design process. 7M

(b). Define these terms: Entity, Entity set, Attribute, Key. 7M

UNIT-II

3. (a). What is NULL? What is its importance? How are these values handled in

relational model?

7M

(b). Consider the following database schema to write queries in SQL

Sailor(sid, sname, age, rating)

Boats(bid, bname, bcolor)

Reserves(sid, bid, day)

i) Find the sailors who have reserved a red boat

ii) Find the names of the sailors who have reserved at least two boats

iii) Find the colors of the boats reserved by ‘Mohan’.

7M

(OR)

4. (a). Explain following in brief

i. Triggers

ii. Assertions

7M

(b). Define the terms: Entity Set, Role, Relationship set, Aggregation. 7M

UNIT-III

5. (a). How to compute closure of set of functional dependency? Explain with a

suitable example schema

7M

(b). What is multi valued dependency? State and explain fourth normal form based

on this concept

7M

(OR)

6. (a). What is the need for schema refinement? Explain with examples. 7M

(b). Describe the properties of decomposition 7M

UNIT-IV

7. (a). Define transaction and explain desirable properties of transactions. 7M

(b). What is a trigger? How to create it? Discuss various types of triggers. 7M

(OR)

8. (a). Explain the transaction support in SQL 7M

27

(b). Does two phase locking protocol ensure serializability? Justify your answer 7M

UNIT-V

9. (a). Discuss the concept of cylinder and its benefit in disk organization 7M

(b). Is B+ tree, a multi level indexing? How does it differ from B-tree? 7M

(OR)

10. (a). Explain page formats with examples. 7M

(b). Discuss bulk loading of B+ tree with illustrations 7M

[B17CS3213]

28

[B17CE3206]


ALTERNATIVE ENERGY SOURCES

CIVIL ENGINEERING





UNIT-I

1. (a). Explain the need for development of renewable energy sources. 7M

(b). Explain in detail the scarcity of conventional energy sources in global scenario. 7M

(OR)

2. (a). Explain hybrid systems in detail. 7M

(b). Explain the reduction potential of carbon dioxide gas. 7M

UNIT-II

3. (a). Explain solar heating and cooling processes with a neat sketch. 7M

(b). Explain the measurement and estimation of solar radiation. 7M

(OR)

4. (a). Explain solar photovoltaic conversion processes. 7M

(b). Explain the applications of solar energy conversion processes. 7M

UNIT-III

5. (a). Derive the expression for power generation from wind turbine using Betz

model.

7M

(b). List and explain various types of winds and factors influencing wind

generation.

7M

(OR)

6. (a). Explain the design aspects of wind mill. 7M

(b). Explain the concepts of energy wheeling and energy banking concepts. 7M

UNIT-IV

7. (a). Define biomass. Explain how biomass is converted by gasification process. 7M

(b). Explain in detail the anaerobic digestion of biomass. 7M

(OR)

8. (a). Explain how urban waste is collected and converted into energy. 7M

(b). Explain how biomass is converted by pyrolysis and liquefaction processes. 7M

UNIT-V

9. (a). Discuss the theory and working principle of ocean thermal energy conversion

(OTEC) system.

7M

(b). Explain with a neat sketch, the operation of geothermal power plant. 7M

(OR)

10. (a). Explain with a neat sketch, the working and operation of any turbine used for

hydropower generation.

7M

(b). Explain the tidal energy conversion process with a neat sketch. 7M

[B17CE3206]

29

[B17CE3207]


WASTE WATER MANAGEMENT

CIVIL ENGINEERING





UNIT-I

1. (a). Explain the physical and chemical characteristics of industrial wastes. 7M

(b). Explain the environmental impacts due to improper disposal of industrial

wastes.

7M

(OR)

2. (a). List the various sources of water required for industries. Explain the quality of

water required for industrial processing.

7M

(b). What is meant by effluent standards? Explain the standards as per BIS for safe

disposal.

7M

UNIT-II

3. (a). Explain the process of heavy metal removal employed in industries. 7M

(b). Explain reed bed technology in detail 7M

(OR)

4. (a). Explain aerobic and anaerobic biological treatment of waste. 7M

(b). Explain about equalization and neutralization processes in detail 7M

UNIT-III

5. (a). Explain the waste reduction by ion exchange process 7M

(b). List various membrane technologies used for waste minimization. Explain any

one of them in detail.

7M

(OR)

6. (a). Explain the ozonation technique for waste minimization. 7M

(b). Explain the various characteristics of industrial waste water effluent. 7M

UNIT-IV

7. (a). Explain how sludge is digested by aerobic and anaerobic digesters. 7M

(b). Explain different methods of industrial sludge disposal. 7M

(OR)

8. (a). Explain the effluent disposal methods in detail. Enumerate the advantages and

disadvantages of the methods employed.

7M

(b). Explain the characteristics of industrial effluent and sludge. What steps are

necessary for their safe treatment and disposal.

7M

UNIT-V

9. (a). Explain the treatment process adopted in tannery industries. 7M

(b). Explain the treatment process used in textile industries with a neat sketch. 7M

(OR)

30

10. (a). Explain briefly the characteristics and treatment of cane sugar mill effluent

with the aid of a flow chart

7M

(b). Write briefly about the regulatory liabilities in industrial waste water treatment 7M

[B17CE3207]

31

[B17CE3208]


GREEN FUEL TECHNOLOGIES

CIVIL ENGINEERING





UNIT-I

1. (a). Explain why green technology is very important now a days. 7M

(b). Explain in detail the factors affecting green technologies. 7M

(OR)

2. (a). Define green fuel and discuss classification of green fuels. 7M

(b). Explain briefly Thermo chemical conversion of biomass to liquids & gaseous

fuels.

7M

UNIT-II

3. (a). Explain about Sugar Fermentation Process. 7M

(b). Define Lignocellulosic biomass& explain about its Substrates. 7M

(OR)

4. (a). Discuss briefly how bioethanol is produced from crops. 7M

(b). Explain about Banana Pseudo stem. 7M

UNIT-III

5. (a). Explain biodiesel production from Algae 7M

(b). Is algae culture economical for biodiesel production or not? Explain in detail 7M

(OR)

6. (a). Define super critical fluid technologies. Classify its types. 7M

(b). Explain biodiesel production from super critical fluid technologies. 7M

UNIT-IV

7. (a). Explain the chemical process of biodiesel production from different plant

seeds.

7M

(b). Discuss briefly about Palm oil diesel production. 7M

(OR)

8. (a). How is biodiesel produced from rubber seed oil? 7M

(b). What are Vegetable oils? Explain their role in production of biodiesel. 7M

UNIT-V

9. (a). Explain biogas production by biogas plant. 7M

(b). Discuss about biogas technology in India. 7M

(OR)

10. (a). Explain Microbial production of Methane. 7M

(b). Compare and contrast the green fuels with conventional fossil fuels with

reference to both environmental and ecological aspects.

7M

[B17CE3208]

1

[B17CS3101]

III B. Tech I Semester (R17) Regular Examinations COMPUTER NETWORKS

COMPUTER SCIENCE AND ENGINEERING





*****

UNIT-I 1.

a. What is Packet-Switching ? Explain the packet –switching principles and different

virtual circuit types. 7 M

b. Explain X.25 virtual circuit service and packet format. 7M

OR

2.

a. Explain Frame-relay call control mechanism in detail. 7M

b. Describe ATM adaptation layer in detail. 7M

UNIT-II

3. Discuss Congestion control techniques. 14M

OR

4. Write a Short Note On Following Network Hardware

Switches & Routers 7M

Bridges 7M

UNIT-III

5. Discuss about different LAN topologies and MAC format. 14M

OR

6. Explain working of Ethernet and Fast Ethernet. 14M

UNIT-IV

7.

a. Explain Internet Protocol(IP)and its sub Protocols(ARP,ICMP,DHCP). 7M

b. Discuss Classes of IPV4 and Importance of Sub-netting 7M

OR

8.

a. Describe Routing Algorithms(Distance vector & Link State) . 7M

b. Discuss about CSMA/CA for Wire Less networks 7M

UNIT-V

9. Give the Header Format of TCP, UDP Segments and Describe Briefly about TCP Protocol

Operations. 14M

2

OR

10. Discuss about Following Application layers protocols

a. DNS 5M

b. HTTP 5M

c. World Wide Web 4M

[B17CS3101]

3

[B17CS3102]

III B. Tech I Semester (R17) Regular Examinations WEB TECHNOLOGIES






***** UNIT-I

1. A. Explain different types of forms in HTML. [7 M]

B. What are the different levels of style sheets and expalin each one with example.[7 M]

(OR)

2. A. Explain how events are handled in java script. [7 M]

B. Write a Java script program to reverse the given string. [7 M]

UNIT-II

3. A. Define an XML Schema. Show how an XML Schema can be created. [7 M]

B. Differentiate DOM and SAX. [7 M]

(OR)

4. A. Explain different types of DTD with an example program. [7 M]

B. Show how SAX is an alternate method for parsing XML documents. [7 M]

UNIT-III

5. A. Write a servlet program illustrating parameter-passing mechanism. [7 M]

B. Explain java servlet life cycle with the help of a neat sketch. [7 M]

(OR)

6. A. Differentiate HTTP doGet () and doPost () methods. [7 M]

B. Explain cookies and session tracking in servlets. [7 M]

UNIT-IV

7. A. Explain an Associative Arrays in PHP with an example. [7 M]

B. Write a PHP program to insert data into MYSQL database. [7 M]

(OR)

8. A. Explain cookies and sessions with an example in PHP. [7 M]

B. Write a PHP program to display results from the MYSQL database. [7 M]

UNIT-V

9. A. Explain AJAX Request and AJAX Response with an example. [7 M]

B.Differentate traditional web application and AJAX web application. [7 M]

(OR)

10. A.Explain working mechanism of AJAX with an example. [7 M]

B. Describe the integration of PHP and AJAX with an example. [7 M]

[B17CS3102]

4

[B17CS3103]

III B. Tech I Semester (R17) Regular Examinations FORMAL LANGUAGES & AUTOMATA THEORY






*****

UNIT-I

1. a) Let L be a NDFA then show that there exist an equivalent DFA.

b) Define Mealy and Moore Machines give an example for each. (7M+7M)

(OR)

2. a)Design NFA for accepting the strings ab, ba and then convert it to DFA.

b) Explain about minimization of Deterministic finite automata. (7M+7M)

UNIT-II

3. a. Define Regular expression. Construct NFA with ϵ moves equivalent to the Regular

Expression ( ab+aab )*

b) Write the Regular expression and equivalent Finite automata for the following:

i. set of all strings beginning with 01 and ending with 10

ii. set of all strings having three consecutive zeros or three consecutive ones

iii. set of all strings ending with either 000 or 111

(7M+7M)

(OR)

4. a) State and prove Pumping lemma on Regular sets.

b) Prove that the set of all even length palindrome strings is not regular.

UNIT-III (7M+7M)

5. a). Define CFG and Generate Context free grammar for L= WCWR

/ W in (0+1)*

b). Define CNF and Convert the following CFG to CNF

S aSa / bSb / a / b (7M+7M)

(OR)

6. a) What is pumping lemma on CFL and what are the applications of pumping lemma?

b) What are the closure properties on Context free languages? (7M+7M)

5

UNIT-IV

7. a) Define Pushdown Automata? Explain the acceptance of PDA by empty stack using an

example.

b) Design PDA for recognizing the Context free language L= an

c bn

/ n=1

(7M+7M)

(OR)

8.

a) What is ID of PDA. Explain the acceptance of PDA by final state.

b) Design a PDA to accept language of odd length palindrome strings (7M+7M)

UNIT-V

9.

a) Define the Turing Machine and what are the types of TM?

b) Design a Turing Machine for recognizing the language L= W WR/ W in (a,b)

*

(7M+7M)

(OR)

10.

a) What is PCP? Give an example.

b) Write short notes on P and NP classes. (7M+7M)

[B17CS3103]

6

[B17CS3104]

III B. Tech I Semester (R17) Regular Examinations DATABASE MANAGEMENT SYSTEMS






*****

UNIT I

1. Write advantages of DBMS over File processing systems. 14m

OR

2. a. Illustrate the structure of DBMS 7m

b. Explore different kinds of users and the duties of DBA 7m

UNIT II

3. Demonstrate different join and set operations in SQL. 14m

OR

4. a. Explore the commands update, alter, delete with Examples. 7m

b. Demonstrate with examples basic operations in relational model. 7m

UNIT III

5. Illustrate the basic features of ER model. 14m

OR

6. What is logical DB design? Convert the following ER diagrams to tables 14m

.

UNIT IV 7. Demonstrate different normal forms from 1NF to BCNF with examples. 14m

OR

8. a. Explain loss-less join decomposition with example. 7m

b. What are the anomalies of redundancy? Explain with example. 7m

UNIT V 9. a. What is a schedule? How do you test serializability? 7m

b. Explain time stamp ordering protocol. What is Thomas write rule? 7m

OR

10. Describe in detail ARIES algorithm with figures. 14m

[B17CS3104]

A B R1

a1 a2 b1 b2

A B R

a1 a2 b1 b2

c1 c2

C

7

[B17CS3105]

III B. Tech I Semester (R17) Regular Examinations APPLICATION DEVELOPMENT USING JAVA






*****

UNIT-I

1. A. Explain Packages Briefly with an example. [7 M]

B. Explain Thread Life cycle with the program. [7 M]

(OR)

2. A. Explain any Four Exceptions with an Example. [7 M]

B. Explain any four methods in String Class with an Example. [7 M]

UNIT-II

3. A. Explain life cycle of an Applet. [7 M]

B. Explain Grid Layout and Border Layout Managers with an Example. [7 M]

(OR)

4. A. Explain Card Layout and Flow Layout Managers with an Example. [7 M]

B. Explain any FOUR AWT Components [7 M]

UNIT-III

5. A. Write a Program for JTabbedpane [7 M]

B. Explain JSP Elements. [7 M]

(OR)

6. A. Write a Program for JTable and JPassword [7 M]

B. Explain any FOUR JSP implicit Objects [7 M]

UNIT-IV

7. A. Explain JDBC Architecture [7 M]

B. Explain JDBC Drivers [7 M]

(OR)

8. A. Write a program for JAVA Database connectivity through MYSQL. [7 M]

B. Explain any three Classes and interfaces of java.sql.package [7 M]

UNIT-V

9. A. Differences between I/O and NIO. [7 M]

B. Write a program for URLConnection Class [7 M]

(OR)

10. A. Explain any three classes for Byte Stream. [7 M]

B. Write the syntax and examples for the following terms [7 M]

[B17CS3105]

8

[B17CS3106]

III B. Tech I Semester (R17) Regular Examinations EMBEDDED SYSTEMS






*****

UNIT-I

1. A) What is DMA? Give its working. [7M]

B) What is shared data problem? How to solve the shared data problem by using

interrupts. [7M]

(OR)

2. A) Draw a neat sketch for 8051 architecture. [7M]

B) Define interrupt latency? Give its parameters. [7M]

UNIT-II

3. A) Describe Function Queue scheduling architecture. [7M]

B) Explain in detail about the working of Communication Bridge. [7M]

(OR)

4. A) Explain Round Robin Architecture with example. [7M]

B) Write a software routine for RTOS architecture. [7M]

UNIT-III

5. A) Explain how shared data problem is eliminated using semaphores. [7M]

B) Explain semaphore variants. [7M]

(OR)

6. A) Explain tasks and tasks Data in RTOS Environment. [7M]

B) Explain interrupt routines in RTOS environment. [7M]

UNIT-IV

7. A) Describe Message Queues. [7M]

B) Explain about encapsulating semaphores. [7M]

(OR)

8. A) Explain the Hard-Real Time scheduling considerations. [7M]

B) Explain the Problems of semaphores. [7M]

UNIT-V

9. A) Briefly describe about host and target machines. [7M]

B) Explain Instruction Set Simulators. [7M]

(OR)

10. A) Explain the ways of getting software into target machine. [7M]

B) Describe Logic analyzers. [7M]

[B17CS3106]

9

[B17CS3107]

III B. Tech I Semester (R17) Regular Examinations CYBER SECURITY






***** UNIT-I

1. A. Describe risk management processes in detail. [7 M]

B. Explain how Cyber stalking can be reduced. [7 M]

(OR)

2. A. Describe about Botnets. [7 M]

B. What is Attack Vector Cloud Computing? [7 M]

UNIT-II

3. A. What is Authentication Service Security? [7 M]

B. Explain different types of Cyber Attacks on Mobile/Cell Phones. [7 M]

(OR)

4. A. What are the measures that are to be taken in Mobile Computing to avoid

Cybercrimes. [7 M]

B. Explain different Security Challenges Posed by Mobile Devices. [7 M]

UNIT-III

5. A. Explain the following [7M]

CIA triangle.

En case

FTK

B. Describe about Trojan Horses attack. [7 M]

(OR)

6. A. Explain about Phishing attacks. [7 M]

B. What is vulnerability and explain different types of vulnerabilities. [7 M]

UNIT-IV

7. A. Describe The Indian IT Act. [7 M]

B. Explain the Cybercrime Scenario in India. [7 M]

(OR)

8. A. Explain why Digital Signatures are used in Cyber security. [7 M]

B. What is incident and explain incident handling mechanism. [7 M]

UNIT-V

9. A. Discuss briefly about Computer Forensics and Steganography.

[7 M]

B. Explain about Digital Forensics Life Cycle. [7 M]

(OR)

10. A. Describe the Challenges in Computer Forensics. [7 M]

B. Explain digital evidence collection procedure in detail. [7 M]

[B17CS3107]

10

[B17EC3109]

III B. Tech I Semester (R17) Regular Examinations DIGITAL SIGNAL PROCESSING






*****

UNIT-I

1) a)Find the Z-transform of the signal 𝑥 𝑛 = 2𝑛𝑢 𝑛 − 3𝑛𝑢 −𝑛 − 1 and its region of

convergence [6M]

b)Realise the series & parallel canonical realizations of the following digital transfer function

[8M]

𝑋 𝑍 =𝑧2 + 2𝑧 + 4

𝑧 − 8 (𝑧2 − 0.9𝑧 + 0.14)

(OR)

2) a) Compute the response of the system 𝑦 𝑛 = 0.7𝑦 𝑛 − 1 − 0.12𝑦 𝑛 − 2 + 𝑥 𝑛 − 1 +

𝑥 𝑛 − 2 To the input x 𝑛 = 𝑢(𝑛),Discuss the stability of the above DT system? [7M]

b) Find the inverse Z transform of 𝑋 𝑧 = 𝑧2

𝑧2−2𝑟𝑧𝑐𝑜𝑠𝜃 +𝑟2 [7M]

UNIT-II

3) a) Compute the DFT of the following sequence using Radix–2 DIT FFT flow graph.

Show the all intermediate stage results:𝑥 𝑛 = 0,1,2,0, −2, −1,0,0 [7M]

b) Find the DFT of the sequence x(n) = 3, 2, 5, 4, Using this result, find the DFT of 25,

20, 15, 10. State the property of DFT used? [7M]

(OR)

4) a) Obtain the circular convolution of the two sequences given belowusingDFT method

𝑥1 𝑛 = 1, −2, 3,1 , 𝑥2 𝑛 = 2,3, 0, −4 [7M]

b) Compare inplace computation and natural input-natural output computation methods.

Discuss the computational complexities involved in direct DFT and FFT. [7M]

UNIT-III

5) a) Compare Chebyshev and Butterworth analog filters ? [6M]

11

b) Design digital Butterworth lowpass IIR filter using BLT method. The filter specifications

are given by i) -3dB cutoff frequency at 0.5π rad, ii) atleast 15dB attenuation at 0.75π rad

[8M]

(OR)

6) a) Compare Impulse invariance and Bilinear transformation methods of IIR digital filter

design. [7M]

b) Convert the following analog filter with transfer function using impulse invariance

method. [7M]

𝐻𝑎 𝑆 =𝑠 + 0.2

𝑠 + 0.2)2 + 25

UNIT-IV

7) a) Design a linear-phase low pass FIR digital filter to meet the following specifications: (i)

Pass band = 0 to 10 kHz (ii) Sampling frequency = 100 kHz(iii) Filter order =10. Compute

the impulse response of the desired FIR digital filter using Hamming window

[9M]

b) What is Gibb’s phenomenon? Discuss the selection criteria of windows with respect to

FIR filter design. [5M]

(OR)

8) a) Show that FIR filters provide constant group delay and phase delay? [6M]

b) Design a linear-phase band pass FIR digital filter to meet the following specifications:

(i) Pass band = 100Hz to 200Hz (ii) Sampling frequency = 1000Hz

(iii) No. of samples =11. Compute the impulse response of the desired FIR digital filter using

Rectangular and Hamming windows. [8M]

UNIT-V

9) a) Explain how Sub band coding of speech signals reduces the bit rate [7M]

b) Illustrate the operation of up-sampler, down-sampler, Interpolator and Decimator in time

and frequency domains with neat sketches [7M]

(OR)

10) a) What is a digital filter bank? Describe its operation & applications. [7M]

b)Write short notes on the finite precision arithmetic effects in the realization of digital

filters. [7M]

[B17EC3109]

12

[B17ME3110]

III B. Tech I Semester (R17) Regular Examinations INDUSTRIAL ROBOTICS






*****

UNIT-I

1. (a). How do you specify a robot? Is robotics automation? Discuss the different

classification systems of robots.

7M

(b). Define the terms ‘Robot’ and ‘Robotics’. Discuss the role of robots in

engineering.

7M

(OR)

2. (a). What are the different actuators used in the robots? Describe them briefly 7M

(b). Discuss the different feedback components used in robots. 7M

UNIT-II

3. Explain briefly the two stage control of manipulator using interpolation of end

effectors position method.

14M

(OR)

4. Explain in detail about forward and inverse transformations used in robotics 14M

UNIT-III

5. (a). Explain the following for smoothing of image: i) Neighborhood averaging ii)

Image averaging method

7M

(b). Discuss the current applications of machine vision system. 7M

(OR)

6. (a). Explain the working of magnet grippers used for robots. 7M

(b). Discuss the applications and working principle of the following sensors. i)

Range sensors ii) Acoustic sensors iii) Tactile sensors.

7M

UNIT-IV

7. Discuss the textural robot language structure with the help of block diagram. 14M

(OR)

8. Discuss the relative merits and demerits of different textual robot languages. 14M

UNIT-V

9. What are the various robot cell layouts? Describe any two with the help of neat

sketches.

14M

(OR)

10. What are the various fields in which the robots used? Discuss them in detail. 14M

[B17ME3110]

13

[B17CS3201]

III B. Tech II Semester (R17) Regular Examinations DATA WARE HOUSING AND DATA MINING






*****

UNIT-1

1. (a) Explain about motivation and importance of DWDM. 7M

(b) Explain data mining kinds of patterns. 7M

(or)

2. (a) Explain in detail about Statistical description of data. 7M

(b) Discuss in detail about Major Issues in Data Mining. 7M

UNIT-II

3. (a) Discuss in detail about the Data Preprocessing Techniques. 7M

(b)Explain about regression with example. 7M

(or)

4. (a) Briefly describe Multidimensional data model representation. 7M

(b) Briefly describe the architecture of a data warehouse system. 7M

UNIT-III

5. (a) Explain about Apriori algorithm with example. 7M

(b) Explain about FP Growth algorithm with example. 7M

(or)

6. (a) Explain about Mining frequent pattern using vertical data format. 7M

(b) Explain about mining in multi level association. 7M

UNIT-IV

7. (a) Explain Decision tree induction with example. 7M

(b)Explain about rule based classification. 7M

(or)

8. (a) Explain about naïve bayes classification with example. 7M

(b) Discuss about Back propagation algorithm for neural network-based classification of data.7M

UNIT-V

9. (a) Write about different types of data in cluster analysis. 7M

(b) Explain in detail about Partitioning Methods. 7M

(or)

10. (a) Explain Density based method. 7M

(b) Explain Grid based Method. 7M

[B17CS3201]

14

[B17CS3202]


OBJECT ORIENTED SOFTWARE ENGINEERING






*****

UNIT – I

1. (a) Describe about software quality attributes. 7M

(b) Explain about waterfall model 7M

(OR)

2. (a) What is Software Engineering? List SE Activities 7M

(b) With a neat diagram explain Spiral Model 7M

UNIT – II

3 (a) Write about various techniques for gathering and Analyzing Requirements 7M

(b) What is Requirement? Explain about Types of Requirements. 7M

(OR)

4. (a) What is Modelling and Describe the basic concepts of modeling 7M

(b)What is analysis and explain concepts of analysis in OO Software Engineering 7M

UNIT – III

5. (a) What are the various Relationships in Use Case Diagram with an Example. 7M

(b) Write the Advantages of Making User Centered 7M

(OR)

6. (a) Write about associations and Multiplicity in Class Diagrams with suitable

examples. 7M

(b) For attendance management system prepare SRS documents with respect to their

Use Case 7M

UNIT – IV

7. (a) Write about the Design principles for good design. 7M

(b) Describe below Design patterns for software designing. 7M

i) Player-Role Pattern ii) Façade Pattern

(OR)

8. (a) What is Pattern? What are the techniques for making Good Design Document ? 7M

(b) With suitable examples explain any two Architecture Patterns 7M

UNIT – V

9. (a) Discuss the goals of Testing process. 7M

(b) Explain about System Testing. 7M

(OR)

10. (a) Explain risk management in all software engineering activities. 7M

(b) Explain about Project Scheduling and Tracking. 7M

[B17CS3202]

15

[B17CS3203]

III B. Tech I Semester (R17) Regular Examinations DESIGN AND ANLYSIS OF ALGORITHMS






*****

UNIT-I

1 a)Explain the Heap Sort with example. 7M

b)Explain Priority queues. 7M

(OR)

2 a) Explain merge sort with example. 7M

b) Explain Convex hull Problem. 7M

UNIT-II

3 a) Explain Knapsack problem, Tree vertex splitting. 7M

b) Explain Job sequencing with deadlines 7M

(OR)

4 a) Explain Prim’s algorithm 7M

b)Discuss about Huffman coding 7M

UNIT-III

5 a)Explain all pairs shortest paths 7M

b) Explain Single source shortest paths with general weights 7M

(OR)

6 a) Explain Optimal binary search trees 7M

b) Explain The travelling salesperson problem 7M

UNIT-IV

7 a) Discuss about 8-Queens problem 7M

b)Explain Graph coloring, Hamiltonian cycles, Knapsack problem 7M

(OR)

8 a)Explain The15-puzzle problem, 7M

b)Explain FIFO Branch-and-Bound. 7M

UNIT-V

9 a)Explain about Fast Fourier Transform 7M

b) Explain about Comparison trees. 7M

(OR)

10 a) Explain about Nondeterministic Algorithms 7M

b)Discuss about the Classes NP-hard and NP-complete 7M

[B17CS3203]

16

[B17CS3204]

III B. Tech I Semester (R17) Regular Examinations ARTIFICIAL INTELLIGENCE






*****

UNIT-I

1. A. Explain problem charecteristics of AI [7 M]

B. Explain A* algorithm with an example. [7 M]

(OR)

2. A. Explain AO* algorithm with suitable example. [7 M]

B. Explain Means-Ends analysis with an example. [7 M]

UNIT-II

3. A. Explain Forward Vs Backward Reasoning. [7 M]

B. Explain semantic network and partioned semantic network in detail. [7 M]

(OR)

4. A. Write a short note on logic programming (prolog). [7 M]

B. what is script and explain restaurent script in detail. [7 M]

UNIT-III

5. A. Explain unification algorithm with an example. [7 M]

B. Explain Truth maintenance system in detail. [7 M]

(OR)

6. A. Explain Resolution theorem with an example. [7 M]

B. Explain monotonic and non-monotonic reasoning. [7 M]

UNIT-IV

7. A. Explain Bayesian Networks with an example. [7 M]

B. Explain Augumented transition nets in detail. [7 M]

(OR)

8. A. Explain Dempster- Shafer Theory. [7 M]

B. Explain various steps in the natural language processing. [7 M]

UNIT-V

9. A. Explain Goal stack planning with an example. [7 M]

B. Explain the architecture of Expert system. [7 M]

(OR)

10. A. Explain Non-linear planning with an example. [7 M]

B. Explain Rule-based expert system with an example. [7 M]

[B17CS3204]

17

[B17CS3205]

III B. Tech I Semester (R17) Regular Examinations COMPILER DESIGN






*****

UNIT-I

1. a) Explain about the structure of a compiler with a neat diagram. 7M

b) Explain the role of Lexical analysis. 7M

(OR)

2. a) Explain the output of different phases of compiler for the statement

POS:=INITIAL + RATE * 60. 7M

b) Explain about Recognition of tokens. 7M

UNIT-II

3. a) Explain the role of parser. 7M

b) Explain about Shift-Reduce parsing. 7M

(OR)

4. a) Differentiate Top-down and Bottom-up parsers and explain about elimination of left

recursion in CFG with an example. 7M

b) Explain about Predictive parser. 7M

UNIT-III

5. a) What is LR parser and construct SLR parsing table using a CFG 7M

b) Explain about Dependency graph 7M

(OR)

6. a) Explain about evaluation of SDD at nodes of a parse tree by taking an example. 7M

b) Explain CLR parser by taking an example. 7M

UNIT-IV

7. a) Explain about different types of Three-Address code statements 7M

b) What are principle sources of optimization 7M

(OR)

8. a) Explain about DAG and value number method of constructing DAG 7M

b) Explain about optimization of basic blocks. 7M

UNIT-V

9. a) Explain about peephole optimization 7M

b) Explain about Heap Management. 7M

(OR)

10. a) Explain about simple code generator. 7M

b) Explain about storage organization 7M

[B17CS3205]

18

[B17CS3206]

III B. Tech I Semester (R17) Regular Examinations CLOUD COMPUTING






*****

UNIT – I

1. (a) Define HPC and HTC systems. Mention the applications of HPC and HTC

Systems. 7M

(b) Mention the technologies for Memory, Storage and Wide area networking. 7M

(OR)

2. (a)Explain Peer-to-peer network families. 7M

(b) Write short note on parallel and distributed programming models 7M

UNIT – II

3. (a) What is virtualization? Explain the implementation levels of virtualization 7M

(b) Explain paravirtualization architecture. 7M

(OR)

4. (a) Explain Live VM migration steps 7M

(b) Explain trust management in virtualized data centers 7M

UNIT – III

5. (a) Explain cloud computing service models 7M

(b)Explain Generic Cloud Architecture Design and explain architectural design

Challenges 7M

(OR)

6. (a)Define OGSA and its architecture. Explain the different services offered by OGSA 7M

(b) Write short note on Message-oriented middleware 7M

UNIT – IV

7. (a)Explain traditional features common to grids and clouds 7M

(b) Write short note on Hadoop library from Apache. 7M

(OR)

8. (a)Write short note on Programming support of Google APP engine 7M

(b)Write short note on Open Source Eucalyptus, Nimbus, OpenNebula and OpenStack7M

UNIT – V

9. (a)Write short note on Networks and services in cloud computing 7M

(b)Briefly explain web APIs 7M

(OR)

10. (a)What are the different services offered in Microsoft 7M

(b) Mention the services offered in Intuit QuickBase, CastIron Cloud, Bungee Connect.7M

[B17CS3206]

19

[B17CS3207]

III B. Tech I Semester (R17) Regular Examinations MOBILE COMPUTING






*****

UNIT-I

1. a. Explain Ubiquitous networks. 7M

b. Explain Three-tier architecture for mobile computing. 7M

(OR)

2. a. Explain system Architecture of GSM with a neat diagram. 9M

b. What is handover? Explain types of handovers in GSM system. 5M

UNIT-II

3. a. Explain WLAN Standard IEEE 802.11 in detail. 7M

b. Compare IEEE 802.11a, B, G and N Standards. 7M

(OR)

4. Explain TDMA, SDMA, FDMA and CDMA. Discuss in detail. 14M

UNIT-III

5. a. Explain Classification of Packet delivery mechanisms. 7M

b. Explain Cellular IP. 7M

(OR)

6. a. Describe Tunneling and Encapsulation in mobile IP. 10M

b. Explain DHCP. 4M

UNIT-IV

7. a. Explain Indirect TCP. 7M

b. Explain Mobile TCP. 7M

(OR)

8. Discuss various Data base Issues in Mobile Computing. 14M

UNIT-V

9. Write various classifications of routing algorithms with examples. 14M

(OR)

10. a. Explain about selective tuning and indexing. 7M

b. Discuss in detail about WAP. 7M

[B17CS3207]

20

[B17CS3208]

III B. Tech I Semester (R17) Regular Examinations DISTRIBUTED SYSTEMS






*****

UNIT-I

1 a) Explain about Distributed Systems, What is a Distributed System, Hard ware concepts

7M

b) Discuss about Design issues in distributed systems. Communication in Distributed

7M

(OR)

2a) Explain about ATM networks 7M

b) Explain about Remote Procedure call 7M

UNIT-II 3 a) Explain about Synchronization in Distributed System 7M

b) Explain about Clock Synchronization, Mutual Exclusion 7M

(OR)

4 a)Explain about Atomic transactions 7M

b) Explain about Deadlocks in Distributed Systems. 7M

UNIT-III

5 a) Explain about Process and processors in Distributed System threads, 7M

b) Explain about System Models 7M

(OR)

6a) Explain about Processors allocation 7M

b) Explain about Scheduling in Distributed System 7M

UNIT-IV 7 a) Explain about Distributed File Systems 7M

b) Explain about Distributed File System Design 7M

(OR)

8 a) Explain about Distributed File System implementation 7M

b) Discuss Trends in Distributed File System. 7M

UNIT-V 9 a) Explain about Distributed Shared Memory 7M

b) Explain about Page based Distributed Shared memory 7M

(OR)

10 a) Explain about Shared variable Distributed Shared memory 7M

b) Explain about Object based Distributed Shared Memory. 7M

[B17CS3208]

21

[B17CS3209]

III B. Tech I Semester (R17) Regular Examinations INFORMATION RETRIEVAL SYSTEMS






*****

UNIT - I

1 a) Explain about Domain Analysis of IR systems 7M

b) Information Systems, IR System Evaluation. 7M

(OR)

2 a) Explain about Data Structures and Algorithms related to Information Retrieval

basic Concepts 7M

b)Explain about Data structures and algorithms in information retrieval systems 7M

UNIT- II

3 a) Explain about Structures used in Inverted Files 7M

b)Explain about Modifications to Basic Techniques. 7M

(OR)

4 a) Explain about Concepts of Signature Files 7M

b) about Horizontal Partitioning. 7M

UNIT- III

5 a) Explain about PAT Trees and PAT Arrays: Introduction 7M

b) Explain about PAT Tree structure 7M

(OR)

6 a) Explain about algorithms on the PAT Trees 7M

b) Explain a bout PAT representation as arrays. 7M

UNIT- IV

7 Explain about Stemming Algorithms 14M

(OR)

8 Explain about Experimental Evaluations of Stemming to Compress Inverted Files 14M

UNIT- V

9 a) Explain about Features of Thesauri 7M

b) Explain about Thesaurus Construction 7M

(OR)

10 Thesaurus construction from Texts, Merging existing Thesauri. 14M

[B17CS3209]

1

[B17EC3101]


PULSE AND DIGITAL CIRCUITS

ELECTRONICS AND COMMUNICATION ENGINEERING


TIME: 3Hrs. Max. Marks: 70 M



*****

UNIT-I

1. (a). Explain the response of RC High Pass circuit for the following input waveforms

(i) Step (ii) Pulse

7M

(b). Derive the expression for a %tilt of a square wave after passing through a high pass RC

Circuit.

7M

(OR)

2. (a). Show that a high pass circuit acts as differentiator 5M

(b). Show that a low pass circuit acts as an Integrator? 5M

(c). Draw the circuit diagram of a compensated attenuator and derive the condition necessary

for perfect attenuation.

4M

UNIT-II

3. (a). State and prove clamping circuit theorem. 7M

(b). With the help of neat Circuit diagram, explain the working of Transistor Clipper. 7M

(OR)

4. (a). Design a clipping circuit to clip the given input voltage 10 sin wt at + 5V level and

below 5V.

7M

(b). Explain the response of the clamping circuit when a square wave input is applied under

steady state conditions.

7M

UNIT-III

5. (a). Explain the operation of Schmitt trigger circuit with neat diagram and also derive UTP,

LTP equations.

7M

(b). Explain the operation of Collector Coupled monostable multivibrator with a circuit

diagram and relevant waveforms

7M

(OR)

6. (a). Explain the operation of Collector Coupled Astable multivibrator with a circuit diagram

and relevant waveforms.

7M

(b). Define different switching times of a transistor with suitable circuit diagram and

waveforms.

7M

UNIT-IV

7. (a). Draw a neat circuit diagram of UJT relaxation oscillator and explain its operation. Can it

be used as time-base circuit of a CRO.

7M

(b). Derive an expressions for sweep speed error in Miller and Bootstrap sweep generators. 7M

(OR)

8. (a). With the help of a neat circuit diagram and waveforms explain the working of a current

Sweep generator

7M

(b). Define and derive the expressions for the slope error, transmission error and 7M

2

displacement error for the exponential sweep circuit.

UNIT-V

9. (a). With a neat circuit diagram explain the operation of ECL OR/NOR logic gate. 7M

(b). Draw the circuit of a TTL NAND gate and explain the operation. 7M

(OR)

10. (a). With a neat circuit diagram explain the operation of ECL OR/NOR logic gate. 7M

(b). Draw the circuit of a CMOS inverter and explain the operation. 7M

[B17EC3101]

3

[B17EC3102]


LINEAR ICS AND APPLICATIONS






*****

UNIT-I

1. (a). Explain the Sample and Hold Circuit with neat sketches. 7M

(b). Draw the Instrumentation Amplifier and explain its operation in detail. 7M

(OR)

2. (a). Explain the operation of an Regenerative comparator with circuit diagram and

waveforms. If )(12.0,14,100,50 21 ppVVandVVVVRKR inrefsat

Find the values of LTUT andVV .

7M

(b). Explain the operation of grounded load V to I converter using op-amp. 7M

UNIT-II

3. (a). Draw the 2nd

order High pass filter and explain its operation in detail. 7M

(b). Write a short note on Switched Capacitance Filters. 7M

(OR)

4. (a). Design a 1st order LPF and HPF and draw their output response. 7M

(b). Design a Wide Band Pass Filter with fL=200Hz,fH=1 KHz and pass band gain of

Calculate the value of Q for the filter.

7M

UNIT-III

5. (a). Design RC Phase Shift Oscillator for f = 1KHz. 7M

(b). Derive the frequency and the condition for sustained oscillations forWien bridge

oscillator.

7M

(OR)

6. (a). Explain about the Quadrature Oscillator. 7M

(b). Draw and explain the functional block diagram of 566 IC 7M

UNIT-IV

7. (a). Derive Lock in range and Capture range for PLL. 7M

(b). Explain about three terminal IC voltage regulators. 7M

(OR)

8. (a). Explain operation of Astable multi-vibrator configured around IC 555 timer and

derive its frequency.

7M

(b). Explain any two applications of PLL. 7M

UNIT-V

9. (a). List out DAC and ADC Specifications. 7M

(b). Draw the circuit of weighted resistor DAC and derive expression for output analog

voltage Vo.

7M

(OR)

10. (a). Draw and explain the working of Successive Approximation A/D converter 7M

(b). Explain the working of Counter type A/D converter with necessary diagrams. 7M

[B17EC3102]

4

[B17EC3103]


ELECTRONIC MEASUREMENTS AND INSTRUMENTATION






*****

UNIT-I

1. (a). Explain the different types of errors that may occur in measurements. Describe

their sources and precautions to minimize them.

7M

(b). Explain the operation of AC Voltmeter using full wave Rectifier. 7M

(OR)

2. (a). How do you extend the range of a given ammeter and voltmeter? 7M

(b). Explain the working of a true RMS voltmeter with the help of a suitable block

diagram.

7M

UNIT-II

3. (a). Discuss the factors that need to be consider, while selecting a transducer? 7M

(b). Explain Capacitive transducers in detail. 7M

(OR)

4. (a). Draw the Linear variable differential Transducer and explain its working in detail. 7M

(b). Explain about piezo electric transducer. 7M

UNIT-III

5. (a). Explain the operation of Maxwell’s Bridge and derive the condition for balance of

a bridge.

7M

(b). An ac bridge was made up as follows: arm ab, a capacitor of 0.8 mF in parallel

with 1 kW resistance, bc a resistance of 3 kW, arm cd an unknown capacitor Cx

and Rx in series, arm da a capacitance of 0.4 mF. The supply at 1 kHz is

connected across bd and a detector across ac. Determine the value of unknown

capacitance Cx, unknown series resistance Rx and dissipation factor.

7M

(OR)

6. (a). Explain the operation of wien’s Bridge and derive the condition for balance of a

bridge.

7M

(b). The arms of a four-arm bridge a, b, c and d supplied with sinusoidal voltage have

the following values.

arm ab: A resistance of 800 W in parallel with a capacitance of 2 mF

arm bc: 400 W resistance

arm cd: 1 kW resistance

arm da: A resistance R2 in series with 2 mF capacitance

Determine the value of R2 and frequency at which the bridge will balance.

7M

UNIT-IV

7. (a). With a neat block diagram explain the block of a dual trace oscilloscope. 7M

(b). Explain delay line circuit in CRO. 7M

(OR)

5

8. (a). With a neat block diagram explain Sampling oscilloscope. 7M

(b). Explain measurement of frequency by using Lissajous figure. 7M

UNIT-V

9. (a). With the block diagram explain the working of a function generator producing

sine, square and triangle waveforms.

7M

(b). Explain the working of random noise generator with neat diagrams. 7M

(OR)

10. (a). Draw the block diagram of a spectrum analyzer and explain its working. 7M

(b). With a neat diagram explain the working of Square wave generator. 7M

[B17EC3103]

6

[B17EC3104]


DIGITAL COMMUNICATION






*****

UNIT-I

1. (a). Explain the modulation and demodulation techniques for pulse time modulation systems. 7M

(b). Explain about the operation of a PCM system. What is companding? 7M

(OR)

2. (a). Explain about delta modulation (DM) system and design an Adaptive Delta Modulation

system to eliminate the drawbacks generated in DM system.

7M

(b). The signal v(t) = Cos 5πt + 0.5 Cos 10πt is instantaneously sampled. Find the maximum

allowable value for sampling time TS and write an expression for sampled signal

vs(t) = v(t)s(t) if the sampling signal s(t) = 5 δ(t − 0.1k)∞k=−∞

7M

UNIT-II

3. (a). Explain how a binary signal can be transmitted and received by using a BPSK system? 7M

(b). With the help of an example, explain the method of generating a phase continuous MSK

signal.

7M

(OR)

4. (a). Explain the role of a QPSK transmitter and receiver in serial data transmission and

reception.

7M

(b). In a DPSK Receiver, the received bit sequence b(t) is 01101100 then

i) Find reconstructed bit sequence d(t)

ii) Due to presence of noise b(t) is recovered as 01111100 then detect d(t) and

identify the bits which are wrongly detected. Use EX-OR logic.

7M

UNIT-III

5. (a). Derive the expression for output SNR when the binary signal is transmitted using BPSK

in a PCM system.

7M

(b). Derive the relation for output noise power spectral density as Gno(f) = |H(f)|2Gni(f)

where Gni(f) is input noise power spectral density of a filter with transfer function H(f).

7M

(OR)

6. (a). Explain about linear filtering and calculate noise power output of RC low pass filter,

differentiator and an integrator.

7M

(b). Derive expressions for quadrature components of noise. 7M

UNIT-IV

7. (a). What is the function of a base band signal receiver and derive its probability of error ? 7M

(b). By deriving expression for Pe for BPSK and BFSK systems, compare the performance of

these two data transmission systems.

7M

(OR)

8. (a). Derive the expressions for Probability of error Pe and transfer function H(f) for an

optimum filter.

7M

(b). A signal is either S1(t) = A Cos 2πfot or S2(t) = 0 for an interval T= n/fo ,with n an 7M

7

integer. Find the error probability Pe of matched filter.

UNIT-V

9. (a). Explain in detail about Frequency Hopping spread spectrum technique. 7M

(b). Explain the methods of generating PN sequence. 7M

(OR)

10. (a). Explain about acquisition and tracking circuit for a DS system. 7M

(b). How a CDMA system uses spread spectrum to provide multiple access communication. 7M

[B17EC3104]

8

[B17EC3105]


ANTENNAS AND PROPAGATION






*****

UNIT-I

1. (a). Derive the expressions for the electromagnetic fields radiated by alternating

current element.

7M

(b). Explain the radiation mechanism of a two wire transmission line. 7M

(OR)

2. (a). Show that the radiation resistance of a quarter-wave monopole is 36.5 Ω. 7M

(b). Explain in detail the directional characteristics of dipole antennas. 7M

UNIT-II

3. (a). What are Broadside and end fire arrays? Obtain expressions for BWFN and HPBW

for both types of arrays.

7M

(b). For two element array consisting identical radiators carrying equal currents in phase,

obtain positions of maxima and minima of the radiation pattern if the distance of

separation d = λ.

7M

(OR)

4. (a). Explain in detail the effect of earth on vertical patterns. 7M

(b). Two identical transmitting and receiving antennas are located at a distance of 2km.

If power transmitted is 25dBm at 10GHz and received power is -65dBm, determine

the gain of each antenna.

7M

UNIT-III

5. (a). Distinguish between travelling wave and standing wave antennas. 7M

(b). Explain Current Distribution of isotropic and Omni directional antennas. 7M

(OR)

6. (a). Explain in detail the operating principles of a Helical antenna. 7M

(b). Explain in detail about Log Periodic antenna with neat diagram. 7M

UNIT-IV

7. (a). Explain the feeding mechanisms of parabolic antennas in detail. 7M

(b). Derive an expression for the impedance of slot antennas. 7M

(OR)

8. (a). Explain different measurement ranges in details. 7M

(b). Explain one method of measuring gain of an antenna. 7M

UNIT-V

9. (a). Discuss ground wave propagation in detail. 7M

(b). Derive an expression for the field strength of Space Wave. 7M

(OR)

10. (a). Explain the effect of Earth’s magnetic field on ionospheric propagation. 7M

(b). Explain in detail about MUF, duct propagation and scatter propagation. 7M

[B17EC3105]

9

[B17EC3106]


COMPUTER NETWORK ENGINEERING






*****

UNIT-I

1. (a). Categorise the networks LAN,MAN and WAN 7M

(b). Explain about B-ISDN ATM Reference model. 7M

(OR)

2. (a). Draw the neat diagram of ISO-OSI reference model and explain the function of each

layer in detail.

7M

(b). Explain about Topologies of networks in detail. 7M

UNIT-II

3. (a). Explain about different transmission medias. 7M

(b). Explain about Circuit, Message and Packet switching’s in detail. Compare Circuit

Switching and Packet switching.

7M

(OR)

4. (a). What is switch hierarchy? Explain about crossbar switches. 7M

(b). Compare TDM and FDM. 7M

UNIT-III

5. (a). A bit stream 10011101 is transmitted using the standard CRC method .The generator

polynomial is 13 x .Show the actual bit string transmitted. Suppose the third bit from

the left is inverted during transmission .Show that this error is detected during

transmission.

7M

(b). Explain in detail about Go back n and Selective Repeat protocols. 7M

(OR)

6. (a). Explain about pure ALOHA in detail. 7M

(b). Explain about different types of Multiplexing’s in Physical layer 7M

UNIT-IV

7. (a). Explain the Leaky bucket algorithm for congestion control. 7M

(b). Explain about IP addresses. 7M

(OR)

8. (a). Explain in detail about General principles of congestion control. 7M

(b). Explain about Token bucket algorithm. 7M

UNIT-V

9. (a). What are different different elements of transport protocols and explain. 7M

(b). Explain about UDP internet transport protocol 7M

(OR)

10. (a). Write a short note on WWW. 7M

(b). Discuss about DNS and Electronic Mail. 7M

[B17EC3106]

10

[B17EC3201]


MICROPROCESSORS AND ITS APPLICATIONS






*****

UNIT-I

1. With help of neat diagram explain the internal architecture of INTEL 8085 microprocessor 14M

(OR)

2. (a). Draw and explain the interrupt structure of 8085 microprocessor 8M

(b). Draw the timing diagram of the execution of OUT 85H instruction 6M

UNIT-II

3. (a). Explain the addressing modes of 8085 with examples 7M

(b). write an 8085 assembly language program to multiply two data types stored in

memory location 1001h and 1002h. store the result at memory location 1003hand

1004h

7M

(OR)

4. (a). What is subroutine ?explain how its implemented in 8085 using CALL and RET

instructions

7M

(b). Write an 8085 assembly language program to count number of logical 1’s and 0’s in

byte

7M

UNIT-III

5. (a). Draw and explain the functional block diagram of INTEL 8255 7M

(b). Explain the control word format and the feature of 8255 ports in various I/O modes of

operation

7M

(OR)

6. (a). Draw and explain the functional block diagram of INTEL 8253 7M

(b). Write instructions to generate a 1khz square waveform counter1. Assumptions are

clock frequency is 2MHZ ,the gate of counter1 is tied to +5v through a 10k Ω resistor

port address for counter 0,1,2 and control word register are 80H,81H,82H AND 83H

respectively.

7M

UNIT-IV

7. With neat diagram explain the internal architecture of INTEL 8086 microprocessor 14M

(OR)

8. (a). Draw the flag register of 8086 and explain the function of each flag register in details 7M

(b). Draw the interfacing of memory banks with 8086 and explain how bytes transfer and

word transfer

7M

UNIT-V

9. (a). Draw the programmable register array of 8086 and explain the function of each

register

7M

(b). Write an 8086 Program to convert 8 bit BCD number stored at memory location 7M

11

15000H into its equivalent binary. Store the result at 15001 H memory location

(OR)

10. (a). Explain the data addressing modes of 8086 with examples 7M

(b). Write an 8086 program to add four digit BCD numbers present in memory locations

15000 H and 15002 H. Store the result at memory location 15004 H.

7M

[B17EC3201]

12

[B17EC3202]

III B. Tech II Semester (R17) Regular Examinations MICROWAVE ENGINEERING




Answer ONE QUESTION from each unit.


*****

UNIT-I

1. (a). Explain the operation of a Magic Tee and its applications in detail. 7M

(b). State the principle of operation of Directional coupler. Explain the operation of

two hole directional coupler in detail.

7M

(OR)

2. (a). 1. An air filled rectangular cavity resonator has a=d=2cm, and b=1cm and

is operated in the TE101mode calculate

I. Resonant frequency.

II. If the cavity is filled with a dielectric of a relative permittivity

2.5, what is the resonant frequency?

7M

(b). State Faraday rotation principle. Explain the operation of isolator. 7M

UNIT-II

3. (a). What is a scattering matrix? Write the properties of a scattering matrix 7M

(b). Derive the S-parameters for Magic Tee. 7M

(OR)

4. (a). Show that the ‘S’ matrix of a perfectly matched 2-port network is

01

00

.

7M

(b). Explain the operations of directional coupler with the help s-parameters 7M

UNIT-III

5. (a). Explain the limitations of conventional tubes at Microwave frequencies indetail 7M

(b). Explain the working of Reflex klystron with neat diagram

7M

(OR)

6. (a). Explain the working of Helix travelling wave tubewith neat diagram 7M

(b). Explain the working of Magnetronwith neat diagram 7M

13

UNIT-IV

7. (a). Explain in detail the principle of operation of GUNN diode and detail different

modes of operation of gunn diode.

7M

(b). Explain the operation IMPATTdiode with suitable diagrams.

7M

(OR)

8. (a). Explain the operation TRAPATT diode with suitable diagrams 7M

(b). Explain the operation TUNNEL diode with suitable diagrams 7M

UNIT-V

9. (a). Explain the procedure with a neat diagram to measure the coupling factor and

directivity of a given directional coupler.

7M

(b). Explain the procedure for measurement of low and high VSWR with block

diagram.

7M

(OR)

10. Draw the Block Diagram of Microwave bench setup and explain the each block 14M

[B17EC3202]

14

[B17EC3203]


VLSI DESIGN

(Common to ECE & EEE(Open Elective))






*****

UNIT-I

1. (a). Derive the expression for the ratio between Zp.u and Zp.d if an NMOS inverter is to

be driven from another NMOS inverter.

7M

(b). Explain the p-well process for a CMOS inverter with neat diagrams. 7M

(OR)

2. (a). With neat sketches explain NMOS transistor fabrication approach? 8M

(b). Determine Transconductance and Figure of merit of MOS transistor? 6M

UNIT-II

3. (a). Design a stick and Layout diagrams for NMOS shift register cell. 7M

(b). Discuss in detail the stick diagram design style of CMOS with neat diagrams of a

single bit shift register cell.

7M

(OR)

4. (a). Discuss in detail the stick diagram design style of NMOS for 4:1 invertor. 7M

(b). What are the design rules? State Lambda based design rules for the widths and

separation of conducting paths and for contact cuts and vias.

7M

UNIT-III

5. (a). Define and explain sheet resistance and calculate ON resistance for 4:1 NMOS

invertor?

7M

(b). Explain the limitations on scaling of MOS circuit for substrate doping and

Miniaturization? Discuss the limits of scaling due to Subthreshold currents.

7M

(OR)

6. (a). Explain different scaling factors for device parameters? 7M

(b). Explain area capacitance of layers and the calculations of wiring capacitances in a

MOS transistor?

7M

UNIT-IV

7. (a). Explain the basic architecture of FPGA. 7M

(b). Discuss briefly about the FPGA design flow process. 7M

(OR)

8. (a). Write short notes on practical design for test guidelines. 7M

(b). With the help of an example explain built in self-test. 7M

UNIT-V

9. (a). Briefly explain Deep submicron digital IC design flow 7M

(b). Explain the power consumption in low power CMOS circuits 7M

(OR)

10. Write about Grid and Clock optimization of switching activity in CMOS circuits 14M

[B17EC3203]

15

[B17EC3204]


DIGITAL SIGNAL PROCESSING






*****

UNIT-I

1. (a). Find the Z-transform of the signal 𝑥 𝑛 = 2𝑛𝑢 𝑛 − 3𝑛𝑢 −𝑛 − 1 and its region of

convergence

6M

(b). Realise the series & parallel canonical realizations of the following digital transfer

function

8M

(OR)

2. (a). Compute the response of the system 𝑦 𝑛 = 0.7𝑦 𝑛 − 1 − 0.12𝑦 𝑛 − 2 +𝑥 𝑛 − 1 + 𝑥 𝑛 − 2 To the input x 𝑛 = 𝑢(𝑛), Discuss the stability of the above

DT system?

7M

(b). Find the inverse Z transform of 𝑋 𝑧 = 𝑧2

𝑧2−2𝑟𝑧𝑐𝑜𝑠𝜃 +𝑟2 7M

UNIT-II

3. (a). Compute the DFT of the following sequence using Radix–2 DIT FFT flow graph.

Show the all intermediate stage results: 𝑥 𝑛 = 0,1,2,0, −2, −1,0,0

7M

(b). Find the DFT of the sequence x(n) = 3, 2, 5, 4, Using this result, find the DFT of

25, 20, 15, 10. State the property of DFT used?

7M

(OR)

4. (a). Obtain the circular convolution of the two sequences given below using DFT method

𝑥1 𝑛 = 1, −2, 3,1 , 𝑥2 𝑛 = 2,3, 0, −4 7M

(b). Compare inplace computation and natural input-natural output computation methods.

Discuss the computational complexities involved in direct DFT and FFT.

7M

UNIT-III

5. (a). Compare Chebyshev and Butterworth analog filters ? 6M

(b). Design digital Butterworth lowpass IIR filter using BLT method. The filter

specifications are given by i) -3dB cutoff frequency at 0.5π rad, ii) atleast 15dB

attenuation at 0.75π rad

8M

(OR)

6. (a). Compare Impulse invariance and Bilinear transformation methods of IIR digital filter

design.

9M

(b). Convert the following analog filter with transfer function using impulse invariance

method

5M

UNIT-IV

7. (a). Design a linear-phase low pass FIR digital filter to meet the following specifications:

(i) Pass band = 0 to 10 kHz (ii) Sampling frequency = 100 kHz(iii) Filter order =10.

Compute the impulse response of the desired FIR digital filter using Hamming

window

6M

16

(b). What is Gibb’s phenomenon? Discuss the selection criteria of windows with respect to

FIR filter design.

8M

(OR)

8. (a). Show that FIR filters provide constant group delay and phase delay? 7M

(b). Design a linear-phase band pass FIR digital filter to meet the following specifications:

(i) Pass band = 100Hz to 200Hz

(ii) Sampling frequency = 1000Hz.

(iii) No. of samples =11. Compute the impulse response of the desired FIR

digital filter using Rectangular and Hamming windows.

7M

UNIT-V

9. (a). Explain how Sub band coding of speech signals reduces the bit rate 7M

(b). Illustrate the operation of up-sampler, down-sampler, Interpolator and Decimator in

time and frequency domains with neat sketches

7M

(OR)

10. (a). What is a digital filter bank? Describe its operation & applications. 7M

(b). Write short notes on the finite precision arithmetic effects in the realization of digital

filters.

7M

[B17EC3204]

17

[B17EC3205]


RADAR ENGINEERING






***** 1. a. Draw the block diagram of a basic Radar system and explain its operation. 7M

b. Discuss the system losses in Radar briefly. 7M OR

2. a. Define minimum Detectable signal give the factors that affecting the minimum

detectable signal.

10M

b. Write about different radar applications. 4M UNIT-II

3. a. Explain the Principle of operation of an MTI radar with neat schematic

diagram.

7M

b. Give the various limitations to the MTI radar performance. 7M

OR 4. a. Write about Delay line Cancellers. 7M

b. Explain about Moving Target Detector. 7M UNIT-III

5. a. Discuss the Airborn Doppler Radar. 7M

b. Draw the block diagram of a Monopulse Tracking Radar system and explain its

operation.

7M

OR 6. a. Explain about Sequential lobing and Conical Scan. 7M

b. Write short note on ECM and ECCM. 7M UNIT-IV

7. a. Write about Noise figure and Noise Temperature. 7M b. What is a Duplexer? Explain different types of Duplexers. 7M OR

8. a. What is a Mixer? Explain different types of Mixers? 7M

b. Write about Radar Displays. 7M UNIT-V

9. a. Illustrate the working of ILS briefly? 7M b. Describe the salient features of TACAN. 7M OR

10. a. Write short note on OMEGA and Radio Altimeter. 7M b. Write about principles of Direction Finders and sense finders. 7M

[B17EC3205]

18

[B17EC3206]


MICROCONTROLLERS






*****

UNIT-I

1. With the help of neat diagram, explain the architecture of 8051. 14M

(OR)

2. Explain the memory organisation of 8051. 14M

UNIT-II

3. What are the different addressing modes available in 8051 and list out bit manipulation

instructions with examples?

14M

(OR)

4. Explain the instruction syntax of 8051 and write a program to transfer block of data from

internal memory locations 20h to 30h to external memory locations 3020h to 3030h.

14M

UNIT-III

5. What is the difference between timer and counter? Explain the functionality of each bit in

TMOD and TCON registers.

14M

(OR)

6. What is an interrupt? Write an assembly program to generate a waveform with ON time of 7

msec and OFF time of 21msec on p0.5. Assume XTAL of 11.0592MHz. Use timer 0.

14M

UNIT-IV

7. Interface 4x4 keypad to 8051 and explain how scanning and identifying the key pressed is

done. Write an ALP to interface 4x4 keypad to 8051.

14M

(OR)

8. Draw and explain interfacing diagram of ADC with 8051 microcontroller. 14M

UNIT-V

9. Explain the Architecture of 8255A.Write an ALP to transfer letter ‘Y’ serially at 9600 baud

rate continuously.

14M

(OR)

10. Explain about serial communication along with the steps required for programming 8051 to

transfer and receive data serially.

14M

[B17EC3206]

19

[B17CS3214]


OOPS THROUGH JAVA

(Common to ECE & EEE) MODEL QUESTION PAPER




*****

UNIT-I

1. a. What are the oops concepts explain with example program. 7M

b. Explain different types of primitive data types. 7M

OR

2. a. What is type conversion and casting? Explain in detail. 7M

b. Explain in detail about identifiers, literals and operators. 7M

UNIT-II

3. a. Explain methods, classes, messages. 7M

b. Define overloading and exceptions? Explain in detail. 7M

OR

4. a. Explain class declaration and creating objects with an example. 7M

b. Write about the importance of static keyword. 7M

UNIT-III

5. a. What is super keyword and final keyword explain. 7M

b. Write the importance of CLASSPATH in java. 7M

OR

6. a. What is user defined exceptions explain with an example. 7M

b. Briefly define about try, catch, throw and assertions. 7M

UNIT-IV

7. a. What are the difference between multitasking and multithreading. 7M

b. Define thread? Explain thread life cycle in detail. 7M

OR

8. a. Write about the reading data from files and writing data into the files. 7M

b. What is random access files? Explain.

7M

UNIT-V

9. a. Define Applet. What are the concepts of Applet? 7M

b. How to create an Applet explain with an example. 7M

OR

10. a. Define swing. Explain in detail.. 7M

b. What is component and container in swing.

.

7M

[B17CS3214]

20

[B17CS3215]


DATA MINING






*****

UNIT-I

1. a. What is data mining? In how many ways the data can be mined explain. 7M

b. What is data quality? Discuss.

OR

2. a. Discuss about the major issues in data mining. 7M

b. What is data visualization, data similarity and dissimilarity. 7M

UNIT-II

3. a. What are the steps involved in data pre-processing. 7M

b. Explain in detail about data cleaning. 7M

OR

4. a. What are the different types of data transforming techniques are there? Explain. 7M

b. Explain about data integration.. 7M

UNIT-III

5. a. What is decision tree? Explain how it works for classification problem.. 7M

b. What are the general approaches for solving classification problem? 7M

OR

6. a. Explain the different methods for expressing an attribute test conditions 7M

b. Draw and explain the algorithm for decision tree induction. 7M

UNIT-IV

7. a. Discuss the Naïve Bayesian Classification with an example. 7M

b. Define the Bayes Theorem and explain for classification.

7M

OR

8. a. Discuss the FP growth algorithm with an example. 7M

b. Write the Apriopi algorithm for frequent item set generation.

7M

UNIT-V

9. a. What is cluster analysis? Explain different types of clusters with neat sketch. 7M

b. Write and explain the Agglomerative hierarchical clustering algorithm. 7M

OR

10. a. Write thebasic K-meansalgorithm andexplain. 7M

b. Explain the DB Scan clustering. 7M

[B17CS3215]

21

[B17ME3210]


INDUSTRIAL ROBOTICS

(Common to ECE & EEE)






*****

UNIT-I 1. a. Define the terms ‘Robot’ and ‘Robotics’. Discuss the role of robots in

engineering.

7M

b. How do you specify a robot? Is robotics automation? Discuss the

differentclassification systems of robots.

7M

OR

2. a. How can we classify the robotics by coordinate systems, Explain. 7M

b. Write an over view of robotics with present and future applications. 7M

UNIT-II

3. a. Apply a suitable technique for the two degree of freedom for both Rotational

andLinear system and derive the equation of motion.

7M

b. Explain about the function line diagram representation of robot arms. 7M

OR

4. a. Classify the different types of arms of robot, and explain in detail each. 7M

b. Write in detail about locomotion devices. 7M

UNIT-III

5. a. Write about the different problems of homogeneous transformations of

rotation.

7M

b. Explain about D-H notation joint coordinates and world coordinates. 7M

OR

6. a. Define and derive the Newton-Euler formulations in robotics. 7M

b. Briefly discuss about Lagrange-Euler notations in robotics. 7M

UNIT-IV

7. a. Explain how the trajectory planning can be performed in robotics. 7M

b. Write about skew motion and joint integrated motion.

7M

OR

8. a. What are the general considerations are there in path description? Explain. 7M

b. Discuss about the different types of software packages in robot programming.

7M

UNIT-V

9. a. Discuss the applications and working principle of the following sensors.

i) Range sensors ii) Acoustic sensors iii) Tactile sensors

7M

b. What are the different actuators used in the robots? Describe them briefly. 7M

OR

10. a. Write about the applications of robots in manufacturing. 7M

b. Explain about the importance of motors in robotics.

.

7M

[B17ME3210]

22

[B17EE3209]


POWER ELECTRONICS






*****

UNIT-I

1. (a). Derive Two transistor analogy of SCR 7M

(b). Explain Static characteristics of SCR. 7M

(OR)

2. (a). Explain Dynamic characteristics of SCR 7M

(b). Explain the series and parallel operation of SCR. 7M

UNIT-II

3. (a). Explain R and RC Triggering Circuits. 7M

(b). Explain Class-B Commutation 7M

(OR)

4. (a). Explain UJT Triggering circuit. 7M

(b). Explain Class D Commutation 7M

UNIT-III

5. (a). Explain the operation of single-phase half-controlled converter with RL-Load.

Derive the expression for output voltage.

7M

(b). Explain the operation of Dual Converter. 7M

(OR)

6. (a). Explain the operation of single-phase full-controlled converter with RL-Load.


7M

(b). For a 3-Ø fully controlled SCR bridge converter operating from 3-Ø ,400

volts,50 hz supply.Calculate the average D.C output voltage for a firing angle

of 45°.

7M

UNIT-IV

7. (a). Explain step up Cycloconverter with a circuit diagram and neat output voltage

waveforms.

7M

(b). Draw the circuit diagram and output voltage waveform of 1-Ø A.C voltage

controller with RL load.Derive the expression for output voltage.

7M

(OR)

8. (a). Explain the operation of step up chopper and Derive the expression for output

voltage.

7M

(b). Explain the operation of step-down chopper and Derive the expression for

output voltage

7M

UNIT-V

9. (a). Explain the three phase VSI with 180o operation with neat output voltage

waveforms.

7M

23

(b). Give the Comparison of Voltage Source Inverters and Current source Inverters. 7M

(OR)


waveforms.

7M

(b). Explain Pulse Width Modulation 7M

[B17EE3209]

24

[B17EC3207]


BIO MEDICAL ENGINEERING






*****

UNIT-I

1. (a). Write in detail about spectral estimation in biomedical signals 7M

(b). Enumerate the origin of bio potentials with example. 7M

(OR)

2. (a). What is meant by Joint probability? 7M

(b). Write in detail about objectives of biomedical signal analysis 7M

UNIT-II

3. (a). Discuss the electric activity of the heart. What is the significance of the Einthoven’s

triangle?

7M

(b). Explain the use of computers in analysis of biomedical signals. 7M

(OR)

4. (a). Explain how time frequency analysis is helpful in biomedical signal processing. 7M

(b). Design an optimal filter to remove noise from a signal, given that the signal and

noise processes are independent, stationary, random processes.

7M

UNIT-III

5. (a). write in detail about turning point algorithm 7M

(b). Write in detail about frequency domain analysis of ECG 7M

(OR)

6. After applying the AZTEC algorithm to a signal, the saved data array is

2, 50, -4, 30,-6, 50, -6, 30, -4, 50, 2, 50.

(i) Draw the waveform that AZTEC would reconstruct from these data.

(ii) What is the amount of data reduction?

(iii) What is the peak-to-peak amplitude of a signal reconstructed from these data?

14M

UNIT-IV

7. (a). Comment on ICA. How is it applicable for cocktail party like problem as

applied to EEG signals

7M

(b). Explain the principles of Adaptive noise canceller with an example. 7M

(OR)

8. (a). Given a biomedical signal, identify discrete signal epochs and correlate them with

events in the related physiological processes.

7M

(b). Write a note on Joint Time-frequency analysis of biomedical signals. 7M

UNIT-V

9. (a). Write down the classification of EEG rhythms based on the frequency bands 7M

(b). Mention the types of artifacts interfering with the EEG acquisition and the method

by which they are processed.

7M

(OR)

25

10. (a). Propose a method to detect the presence of the α rhythm in an EEG channel. How is it

extended to detect the presence of the same rhythm simultaneously in two channels?

7M

(b). With a suitable algorithm, substantiate the adaptive segmentation of EEG signals. 7M

[B17EC3207]

26

[B17CS3216]


ARTIFICIAL NEURAL NETWORKS






*****

UNIT-I

1 a. Explain in detail about biological neural network. 7M

b. Explain basic building blocks of Artificial neural network. 7M

OR

2 a. Explain different types of neuron activation functions. Describe the role of bias in

activation.

6M

b. Distinguish between supervised and unsupervised learning. 8M

UNIT-II

3 a. Describe the Analysis of Pattern Mapping Networks 6M

b. What is Bidirectional Associative Memory? Give its structure and also its algorithm. 8M

OR

4 Write about in detail pattern recognition in neural network. 14M

UNIT-III

5 a. Describe the analysis of pattern storage networks.

7M

b. What are the stochastic networks? How are they different from other types of network 7M

OR

6 Briefly explain the following:

i) Learning vector quantization ii) Adaptive patter classification.

14M

UNIT-IV

7 a. Write algorithm for Hebb rule for pattern Association 7M

b. Write algorithm for Delta rule for pattern Association 7M

OR

8 a. Explain about ART Algorithm. 6M

b. Explain about Pattern Visibility. 8M

UNIT-V

9 Write different applications of Image processing based on ANN 14M

OR

10 Write about optimization in ANN. 14M

[B17CS3216]

1

[B17EE3101]


ELECTRICAL MACHINES-II

Electrical and Electronics Engineering





*****

UNIT I

1. (a). Explain the principle of operation of 3-phase induction motor and explain

how the rotating magnetic field is produced by three-phase currents.

7M

(b). A 50 HP, 6–Pole, 50 Hz, slip ring IM runs at 960 rpm on full load with a rotor

current of 40A. Allow 300 W for copper loss in S.C. and 1200 W for

mechanical losses, find R2 per phase of the 3- phase rotor.

7M

OR

2. (a). Write a brief note i) induction generator ii) double cage rotor induction

motors.

7M

(b). The power input to the rotor of a 3 phase, 50 HZ, 6 pole induction motor is 80

KW. The rotor emf makes 100 complete alternations per minute. Find

i. Slip

ii. Motor Speed

iii. Mechanical power developed

iv. Rotor copper loss per phase

v. Rotor resistance per phase if rotor current is 65 A

vi. Torque developed.

7M

UNIT II

3. (a). Explain with neat diagram the construction and Working of single phase

Induction Motor.

7M

(b). Give the classification of single phase motors .Explain any two types of single

phase induction motors.

7M

OR

4. (a). Explain double revolving field theory. 7M

(b). Develop equivalent circuit of a single phase induction motor ignoring core

losses.

7M

UNIT III

5. (a). Derive the emf equation of an alternator. 7M

(b). A 3 phase, star connected synchronous generator driven at 750rpm is required

to generate a line to line voltage of 440V at 50HZ on open circuit. The stator

is wound with 2slots per pole per phase and each coil has 4 turns. Calculate

the useful flux per pole.

7M

OR

6. (a). Explain pitch factor and distribution factor. 7M

(b). A 3 phase, 6 pole, star-connected alternator revolves at 1000 r.p.m. The stator

has 90 slots and 8 conductors per slot. The flux per pole is 0.05 wb

7M

2

(sinusoidally distributed). Calculate the voltage generated by the machine if

the winding factor is 0.96.

UNIT IV

7. (a). Discuss the parallel operation of two alternators with identical speed/load

Characteristics.

7M

(b). A 3300V, 3phase star connected alternator has a full load current of 100A. On

short circuit a field current of 5A was necessary to produce full load current.

The emf on open circuit for the same excitation was 900V. The armature

resistance was 0.8Ω/ph. Determine the full load voltage regulation for

(1)0.8pf lagging (2)0.8pf leading.

7M

OR

8. (a). Describe construction and working of an alternator. 7M

(b). Two alternators working in parallel supply the following loads (i) lighting

load of 500kW, (ii) 1000kW at 0.9pf, (iii) 500kW at 0.9pf lead, (iv) 800kW at

0.8 lag. One alternator is supplying 1500kW at 0.95pf lagging. Calculate the

load on the other machines.

7M

UNIT V

9. (a). Derive the mechanical power developed per phase of a synchronous motor. 7M

(b). A 3300V, 3 phase synchronous motor running at 1500 rpm has its excitation

kept constant corresponding to no-load terminal voltage of 3000V. Determine

the power input, power factor and torque developed for an armature current of

250A if the synchronous reactance is 5 Ω per phase and armature resistance is

neglected.

7M

OR

10. (a). Draw and explain the phasor diagram of a synchronous motor operating at

lagging and leading power factor.

7M

(b). A 2000V, 3 phase, 4 pole, star connected synchronous motor runs at

1500rpm. The excitation is constant and corresponding to an open circuit

voltage of 2000V. The resistance is negligible in comparison with

synchronous reactance of 3.5Ω /ph. For an armature current of 200A.

Determine (i) power factor (ii) power input (iii) torque developed.

7M

[B17EE3101]

3

[B17EE3102]

III B. Tech I Semester (R17) Regular Examinations MICROPROCESSOR & MICROCONTROLLER






*****

UNIT-I

1. (a). Draw the functional block diagram of 8085 and explain the function of each

block

7M

(b). Draw timing diagram for MVI A,4FH 7M

(OR)

2. (a). Distinguish between Memory mapped I/O and Peripheral mapped I/O 7M

(b). Draw the 4KB EPROM memory interfacing structure with 8085 7M

UNIT-II

3. (a). Illustrate the difference between counter and time delay with example 7M

(b). Discuss the addressing modes of 8085 with suitable examples. 7M

(OR)

4. (a). Explain briefly about 8085 instruction set? 7M

(b). What is stack and subroutine, explain their operation 7M

UNIT-III

5. (a). Explain the modes of operation in 8255PPI 7M

(b). Explain the different modes of operation for 8253 7M

(OR)

6. (a). With neat block diagram explain the functions of 8279. 7M

(b). Briefly explain the A/D converter and explain its operation using SAR 7M

UNIT-IV

7. (a). Draw the internal architecture of 8051 family of microcontrollers. 7M

(b). Draw the Internal RAM memory organization of 8051 Microcontroller and explain its

operation 7M

(OR)

8. (a). Draw the diagram to interface a stepper motor with 8051 micro controller and explain. 7M

(b). Explain the following special function registers of 8051 microcontroller

(i) SCON (ii) TMOD

7M

UNIT-V

9. (a). Explain 8086 architecture with neat diagram 7M

(b). Explain various addressing modes in 8086 7M

(OR)

10. (a). What are various flags in 8086 and write about pipelining 7M

(b). Distinguish between 8085 and 8086 microprocessors 7M

[B17EE3102]

4

[B17EE3103]


ELECTRICAL POWER GENERATION TRANSMISSION & DISTRIBUTION






*****

UNIT-I

1. (a). Explain the important components of a steam power station ? 7M

(b). Discuss the factors for the choice of site for a Nuclear power plant ? 7M

(OR)

2. (a). Explain the term Load Factor and Diversity Factor .How do these factors

influence the cost of generation?

7M

(b). Explain any two Tariff methods with Examples ? 7M

UNIT-II

3. (a). Write a short notes on the following

i) Different types of a.cdistributors ?

ii) Comparison of copper efficiencies of an AC 4 wire and DC 3 wire system ?

7M

(b). ) A d.c two wire distributor AB is 450 meters long and is fed at both ends at

250V. The distributor is loaded as follows:

20A load 60 m from A; 40A load 100m from A and a uniformly distributed

load of 1.5 A/m from 200m to 450 m from A. The resistance of each conductor

is 0.05 ohm per Km .Find the point of minimum potential and its potential ?

7M

(OR)

4. (a). State Kelvin’s law and its limitations ? 7M

(b). Determine the most economical cross –section for a 3-phase transmission line

,1Km long to supply a constant voltage voltage of 110Kv for the following

daily load cycle:

20MW for 6 hours and 5MW for 12 hours and 6MW for 6hours at 0.8 power

factor. The capital cost per km of line including erection is Rs(9000+6000a)

where a is the X-section area of conductor in cm2 .The annual rate of interest

and depreciation is 10% and the energy costs 6 paise per kWh.The resistance

per km of each conductor is 0.176/a ?

7M

UNIT-III

5. (a). Derive the expression for inductance of 3 phase transmission line with

unsymmetrical spacing ?

7M

5

(b). calculate the inductance per km of the double circuit 3 phase transmission line

with Hexagonal spacing .The diameter of each conductor is 1.5cm and spacing

5m ?

7M

(OR)

6. (a). Derive the expression for Capacitance of 3 phase transmission line with

unsymmetrical spacing ?

7M

(b). i) Explain the advantages of bundle conductors when used for over headlines ?

ii) What is skin effect and how it can be reduced ?

7M

UNIT-IV

7. (a). Draw the phasor diagram of short transmission line and derive an expression

for voltage regulation ?

7M

(b). A single phase 50Hz generator supplies an inductive load of 6MW and 0.8

power factor lagging by means of aover head transmission line of 15Km long.

The line resistance and inductance per kilometer are 0.02 Ohms and 0.85mH

respectively. The voltage at receiving end is 11kV . Find the voltage at sending

end and regulation ?

7M

(OR)

8. (a). Derive the Generalized constants of long transmission line ? 7M

(b). Explain Ferranti effect with neat phasor diagram and necessary expression ? 7M

UNIT-V

9. (a). Discuss the constructional features of pin type insulator ? 7M

(b). An insulator string consists of 3 units each having a safe working voltage of

15kV .The ratio of shunt capacitance to self capacitance is 6:1 .Determine the

line voltage and string efficiency ?

7M

(OR)

10. (a). Explain the concept of corona and radio interference ? 7M

(b). Develop an Expression for the sag of transmission line conductor, suspended

between 2 supports of different levels assuming the curve taken up by the

conductor to be a parabola ?

7M

[B17EE3103]

6

[B17EE3104]


CONTROL SYSTEMS






*****

UNIT-I

1. (a). Compare open-loop and closed loop control systems. 7M

(b). For the given mechanical system, obtain the transfer function and draw its

electrical analog based on f-i analogy.

7M

(OR)

2. (a). Discuss the significance of Impulse response of an LTI System? 7M

(b). Obtain the transfer function Eo(s)/Ei(s) for the following network

7M

UNIT-II

3. (a). Explain the effects of feedback in control systems 7M

(b). Find the transfer function C/R for the following system by using block diagram

reduction technique

7M

7

(OR)

4. (a). Obtain the block diagram for the system shown in figure below

7M

(b). Obtain the transfer function y6/y1 for the given SFG using Mason’s gain rule.

7M

UNIT-III

5. (a). Distinguish between type and order of a system. What are the various error

constants and how they are related to the type of the system?

7M

(b). Derive the expression for unit-step response of a standard second-order system

which is under-damped. Also, describe the transient response specifications.

7M

(OR)

6. (a). Discuss the standard input signals used to test control systems. Which one is

used mostly and why?

7M

(b). A unity feedback system is characterized by an open-loop transfer function

G(s) = K/S(S+10). Determine the value of gain K such that the system has a

damping ratio of 0.5. With this value of K, find the settling time, percent

overshoot and steady state error for a unit-ramp input.

7M

UNIT-IV

7. (a). Explain why all the poles of a closed loop system must lie in the left-half of the

s-plane for the system to be stable.

7M

(b). Using R-H criterion, find the range of K for the closed loop system to be stable.

The open loop transfer function of the system is ( ) ( )( 1)( 2)

KG S H S

S S S

7M

(OR)

8

8. (a). Explain how ‘Relative stability’ of a system can be assessed using RH

criterion?

7M

(b). Obtain the Root-locus for the system with

2( ) ( )

( 4)( 4 8)

KG S H S

S S S S

What value of K makes the closed loop system marginally stable?

7M

UNIT-V

9. (a). What are the frequency domain specifications? A second order system step

response shows 25% overshoot. What is its resonant peak in frequency

response?

7M

(b). Draw the Bode plots for the system having

2500( ) ( )

( 5)( 50)G S H S

S S S

.

Determine the Gain Margin and Phase Margin.

7M

(OR)

10. (a). What is the purpose of Constant M and N Circles.? Explain

7M

(b). Draw Nyquist diagram and determine the stability of a control system with

open-loop transfer function2)1(

3)()(

SSSHSG .

7M

[B17EE3104]

9

[B17EE3105]


DIGITAL ELECTRONICS & LOGIC DESIGN






*****

UNIT-I

1. (a). Convert the following to Decimal and then to octal

i. (125F)16 ii. (10111111)2iii. (392)16

7M

(b). How do you convert a gray number to binary? Generate a 4-bit gray code

directly using the mirror image property?

7M

(OR)

2. (a). Explain how 1's complement and 2's complement of a binary number is obtained?

Illustrate by an example.

7M

(b). Explain about Weighted and non-weighted codes 7M

UNIT-II

3. (a). Implement the following functions in canonical Sop and Pos forms i) f (A, B, C, D) = A′B + BC + CD′ + ACD

ii) ii) f (A, B, C, D) = (A + B′ + C) (A + D)(B′ + C′)(A + B + C)

7M

(b). Using K-map method determine the prime implicant and obtain the possible minimal expression for the following function F(A,B,C,D) = Σm(8,12,13) + d(1,2,4,6,7,11)

7M

(OR)

4. (a). Convert the following Boolean expression to NAND and NOR function

Y = ((A+B)C)D

7M

(b). Implement the following functions using PLA.

F1(x,y,z) = ∑m(0,2,4,7); F2(x,y,z) = ∑m(3,5,6,7);

7M

UNIT-III

5. (a). Design a full subtractor and implement it using NAND gates. Explain its operation

with the help of truth table?

7M

(b). Implement a full adder with two 4×1 multiplexers. 7M

(OR)

6. (a). Implement the following switching function using a Four input multiplexer F(A, B, C,

D) = Σm ( 0, 1, 2, 4, 6, 9, 10, 13, 14)

14M

10

UNIT-IV

7. (a). Explain different types of shift registers. 7M

(b). Design a modulo -10 up synchronous counter using T- flip flops and draw circuit diagram

7M

(OR)

8. (a). Draw the logic diagram for a 4-bit binary ripple down counter using positive edge

triggered flip-flops.

7M

(b). Convert a D flip flop into SR flip flop and JK flip flop? 7M

UNIT-V

9. (a). Draw and explain the circuit diagram of integrated positive TTL AND & OR gates. 7M

(b). List out the comparisons of TTL, RTL and DTL logic families. 7M

(OR)

10. (a). Draw and explain the circuit diagram of DTL 7M

(b). Draw and explain the circuit diagram of RTL 7M

[B17EE3105]

11

[B17EE3106]


NON-CONVENTIONAL ENERGY SOURCES






*****

UNIT-I

1. (a). Briefly explain any four major renewable energy sources. 7M

(b). Describe the impact of renewable energy on environment. 7M

(OR)

2. (a). Differentiate between conventional and non-conventional energy sources. 7M

(b). Write about the prospects of Renewable Energy Sources. 7M

UNIT-II

3. (a). Discuss about day length and local apparent time. 7M

(b). Describe the flat-plate collector with a neat diagram. 7M

(OR)

4. (a). With a neat sketch, explain about the concentrating collector. 7M

(b). Give the conversion efficiency and power output from solar cell. 7M

UNIT-III

5. (a). Describe the aerodynamics of a wind turbine. 7M

(b). Derive the expression for the maximum power extracted by the wind turbine. 7M

(OR)

6. (a). Explain horizontal axis wind mills. 7M

(b). Describe the site selection considerations for wind power generation. 7M

UNIT-IV

7. (a). Explain the factors affecting the generation of wave energy. 7M

(b). Derive the expression for average power generated during one filling or

emptying process in a single basin tidal plant.

7M

(OR)

8. (a). Explain various types of tidal plants. 7M

(b). A simple single-basin type tidal power plant has a basin area of 22 km2. The

tide has a range of 10 m. The turbine stops operation when the head on it falls

below 3m. Calculate the average power generated during one filling/emptying

process in MW if the turbine generator efficiency is 70%. Sea water density is

1025 kg/m3.

7M

UNIT-V

9. (a). Explain liquid dominated and vapour dominated geothermal power generation. 7M

(b). Explain the factors affecting biogas production. 7M

(OR)

10. (a). Explain about earth’s interior describing various parts. 7M

(b). Explain various bio-mass conversion processes. 7M

[B17EE3106]

12

[B17EE3201]


ADVANCED CONTROL SYSTEMS






*****

UNIT-I

1. (a). Derive the transfer function of D.C. Tachometer. 7M

(b). Describe the construction and explain the principle of operation of Metadyne.

Give its applications in control systems.

7M

(OR)

2. (a). Explain how synchro acts as an error detector? 7M

(b). Derive the transfer function for armature controlled DC servomotor. 7M

UNIT-II

3. (a). Obtain the state variable model for the system given below.

R L

Ce(t) y = V0

7M

(b). Obtain a state variable representation of the following system

2

1( )

( 3 2)G s

s s s

7M

(OR)

4. (a). Obtain the State Transition Matrix (STM) for the system matrix,

A = 0 1

−2 −3 .

7M

(b). Check the controllability and observability of the system described below.

0 1 0 1

0 0 1 0

0 2 3 0

3 4 1

X X U

Y X

7M

UNIT-III

5. (a). What is Z-transform? Explain the initial and final value theorems. 7M

(b). Find the z-transform for the following functions 7M

13

i. 𝑥 𝑛 = 1

4 𝑛

𝑐𝑜𝑠 𝜋𝑛

3 𝑢(𝑛)

ii. 𝑥 𝑛 = 2𝑛 𝑢(𝑛 − 2)

(OR)

6. (a). State and prove the properties of Z-transform. 7M

(b). Find the inverse z-transform for the following functions

i. 𝑋 𝑧 =𝑧2+2𝑧

𝑧3−3𝑧2+4𝑧+1

ii. 𝑋 𝑧 =𝑧

3𝑧2−4𝑧+1

7M

UNIT-IV

7. Design a phase lead compensator for the system, 𝐺 𝑠 =𝐾

𝑠(𝑠+1)to satisfy the

following specifications.

i. Phase Margin ≥ 450

ii. Steady state error for a unit ramp input ≤ 1/15

iii. The gain crossover frequency of the system must be lessthan 7.5 rad/sec.

14M

(OR)

8. A unity feedback system has an open loop transfer function,

1 2

KG s

s s

Design a suitable lag compensator so that phase Margin = 40 degrees & steady state

error for ramp input ≤ 0.2

14M

UNIT-V

9. (a). Write a brief note on Jury’s stability. 7M

(b). Find the stability using Jury’s method.

𝐹 𝑧 = 2𝑧4 + 5𝑧3 + 10𝑧2 + 2𝑧 + 1

7M

(OR)

10. (a). Write a brief note on Bilinear transformation stability. 7M

(b). Determine the stability of the system using Routh’s criterion.

𝐹 𝑧 = 𝑧3 + 3𝑧2 + 2𝑧 + 1 = 0

7M

[B17EE3201]

14

[B17EE3202]


POWER ELECTRONICS






*****

UNIT-I

1. (a). Derive Two transistor analogy of SCR 7M

(b). Explain Static characteristics of SCR. 7M

(OR)

2. (a). Explain Dynamic characteristics of SCR 7M

(b). Explain the series and parallel operation of SCR. 7M

UNIT-II

3. (a). Explain R and RC Triggering Circuits. 7M

(b). Explain Class-B Commutation 7M

(OR)

4. (a). Explain UJT Triggering circuit. 7M

(b). Explain Class D Commutation 7M

UNIT-III

5. (a). Explain the operation of single-phase half-controlled converter with RL-Load.


7M

(b). Explain the operation of Dual Converter. 7M

(OR)

6. (a). Explain the operation of single-phase full-controlled converter with RL-Load.


7M

(b). For a 3-Ø fully controlled SCR bridge converter operating from 3-Ø ,400

volts,50 hz supply.Calculate the average D.C output voltage for a firing angle

of 45°.

7M

UNIT-IV

7. (a). Explain step up Cycloconverter with a circuit diagram and neat output voltage

waveforms.

7M

(b). Draw the circuit diagram and output voltage waveform of 1-Ø A.C voltage

controller with RL load.Derive the expression for output voltage.

7M

(OR)

8. (a). Explain the operation of step up chopper and Derive the expression for output

voltage.

7M

(b). Explain the operation of step-down chopper and Derive the expression for

output voltage

7M

15

UNIT-V


waveforms.

7M

(b). Give the Comparison of Voltage Source Inverters and Current source Inverters. 7M

(OR)


waveforms.

7M

(b). Explain Pulse Width Modulation 7M

[B17EE3202]

16

[B17EE3203]


POWER SYSTEM ANALYSIS AND STABILITY






*****

UNIT-I

1. (a). Show that for a transformer, the per unit value of impedance will be the same when

referred to either side of the transformer.

7M

(b). Obtain the P.U impedance diagram of the power system shown in the Fig. 1. Choose

the base quantities as 15MVA and 33kV.

Ratings are: Generator G: 20MVA, 11kV, 0.15p.u

Transformer T1: 25MVA, 12.5/132kV, 0.1p.u

Transformer T2: 20MVA, 132/11kV, 0.1p.u

Transmission line: (200+j500)Ω/phase

Load: 5MVA,0.8 lagging p.f.

G1T1

Transmission

LineT2 LOAD

Fig. 1

7M

(OR)

2. (a). Prove that

𝑋𝑃𝑈(𝑁𝐸𝑊) = 𝑋𝑃𝑈(𝑂𝐿𝐷) ∗𝑀𝑉𝐴𝐵𝐴𝑆𝐸(𝑁𝐸𝑊)

𝑀𝑉𝐴𝐵𝐴𝑆𝐸(𝑂𝐿𝐷)∗

𝐾𝑉2𝐵𝐴𝑆𝐸(𝑂𝐿𝐷)

𝐾𝑉2𝐵𝐴𝑆𝐸(𝑁𝐸𝑊)

7M

(b). Obtain the P.U impedance diagram of the power system shown in the Fig. 2. Choose

the base quantities as 30MVA and 33Kv in transmission line section.

Ratings are: Generator G1: 30MVA, 10.5kV, X11

=1.6Ω.

Generator G2: 15MVA, 6.6kV, X11

=1.2Ω

Generator G3: 25MVA, 6.6kV, X11

=0.56Ω

7M

17

Transformers T1: 15MVA, 33/11kV, X=15.2Ω referred to HV

Transformers T1: 15MVA, 33/6.2kV, X=16Ω referred to HV

Transmission line: 20.5Ω/phase

G1T1

Transmission

LineT2 G3

G2

Fig. 2

UNIT-II

3. (a). Compare the load flow techniques 7M

(b). Explain the step by step computational procedure for the Newton-Raphson method of

load flow studies.

7M

(OR)

4. (a). For the power system shown in figure the impedances are given as in the table.

Calculate voltages at the end of 1st iteration using G-S method for the following

schedule

Bus No. Type Generation Load Voltage

Magnitud

e

Reactive

Power

Limit

Line data(P.U)

P Q P Q Qmin Qmax

1 Slack - - - - 1 - - 1-2 0.08+j*0.24

2 PV 5.32 - - - 1.1 -

.025

0.25 2-3 0.002+j*0.0

6

3 PQ - - 3.64 0.53 - - - 1-3 0.06+j*0.18

14

M

UNIT-III

5. (a). 1) transformer to a bus that supplies 3 identical motors as shown in Fig.3. Each

motor has Xd11

=25% and Xd1=30% on a 5MVA, 6.6kV base. The three phase

rating of step up transformer is 25MVA, 11/66kV with leakage reactance of

10% and that of step down transformer is 25MVA, 66/6.6kV with leakage

14

M

18

reactance of 10%. The bus voltage at the motor terminals is 6.6kV, when a

three phase fault occurs at point F.

Calculate i) The subtransient current in the fault

ii) The subtransient current in the breaker B

iii) Momentary current in the breaker B

iv)The current to be interrupted by the breaker in 3 cycles.

Given the reactance of the transmission line is 15% on a base of 25MVA,

66kV. Assume the system is operating on no-load when the fault occurs.

T1

Transmission

LineT2 B

F

MOTORS

Fig.3

(OR)

6. (a). Discuss about transient on transmission line under short circuit condition. 7M

(b). A synchronous generator and a synchronous motor each rated at 25MVA, 11kV

having 15% subtransient reactance are connected through transformers and a line as

shown in Fig.4. The transformers are rated 25MVA, 11/66kV and 66/11kV with

leakage reactance of 10% each. The line has a reactance of 10% on a base of

25MVA, 66kV. The motor is drawing 15MW at 0.8 power factor leading and a

terminal voltage of 10.6kV when a symmetrical three phase fault occurs at the motor

terminals. Find the subtransient current in the generator, motor and fault.

GEN

T1

Transmission

LineT2

MOTOR

Fig.4

7M

19

UNIT-IV

7. (a). Derive the expression for fault current for a line to line fault at the terminals of an

unloaded alternator. Show the interconnection of sequence networks.

7M

(b). A 400V, star connected, neutral grounded three phase generator is subjected to

various types of faults. The fault currents for various types of faults are

i) 120A for 3-phase fault

ii) 250A for line to ground fault.

iii) 150A for line to line fault

If the resistances are neglected determine the three sequence impedances.

7M

(OR)

8. (a). Derive the expression for average power in terms of symmetrical components 7M

(b). A 20 MVA, 11kV star connected generator has positive, negative and zero sequence

reactances of 25%, 35% and 10% respectively. The neutral is earthed through a

reactance of 8%. When the generator is unloaded a double line to ground fault occurs

in phases B and C. Calculate the fault currents in all the three phases. Assume the

voltage generated to be 11kV.

7M

UNIT-V

9. (a). Define stability pertaining to power system and classify the different types of

stabilities and discuss them?

7M

(b). A generator operating at 50Hz delivers1.0 p.u. power to an infinite bus through a

transmission circuit in which resistance is ignored. A fault takes place reducing the

maximum power transferable to 0.5 p.u whereas before the fault, this power was 2.0

p.u and after the clearance of fault it is 1.5 p.u. By the use of equal area criterion,

determine the critical clearing angle.

7M

(OR)

10 (a) Explain how equal area criteria method could be used to determine the critical

clearing angle for the given input.

7M

(b) Discuss the methods by which transient stability can be improved? 7M

[B17EE3203]

20

[B17EE3204]



Electrical and Electronics Engineering MODEL QUESTION PAPER




*****

UNIT-I

1. (a). khkls Check whether the systems characterized following equations are linear, Time-

In-variant, causal, static.

i)y(n)=1

𝑥(𝑛−1)+ 2𝑥(𝑛)

ii)y(n)=ax(n)+b

iii)𝑦(𝑛) = 𝑥(𝑘)𝑛+𝑛0𝑘=𝑛−𝑛0

7M

(b). Given second order filter 𝑦 𝑛 = 2𝑟𝑐𝑜𝑠(𝜔0 )𝑦 𝑛 − 1 − 𝑟2𝑦 𝑛 − 2 +𝑥 𝑛 − 𝑟𝑐𝑜𝑠 (𝜔0 )𝑥(𝑛 − 1) Find system function and comment on stability

7M

(OR)

2. (a). Determine the impulse response h(n)for the system described by second

order difference equation 𝑦(𝑛) − 3𝑦(𝑛 − 1) − 4𝑦(𝑛 − 2) = 𝑥(𝑛) + 2𝑥(𝑛 −1)

7M

(b). Obtain cascade realization of the following system

𝐻(𝑍) = (1+3

2𝑧−1+

1

2𝑧−2)(1−

3

2𝑧−1+𝑧−2)

(1+𝑧−1+1

4𝑧−2)(1+

1

4𝑧−1+

1

2𝑧−2)

7M

UNIT-II

3. (a). Find the frequency response of the system with unit sample response

h(n)= 1, 0≤n≤N-1

0, else where

7M

(b). Find the output of a filter whose impulse response is h(n)=1,1,1 and input signal x(n)=3,-1,0,1,3,2,0,1,2,1 using i)overlap-save method ii) overlap-add method.

7M

21

(OR)

4. (a). Obtain Discrete Fourier series coefficient 𝑋 (k) for the following periodic

sequence x(n)

7M

(b). Prove any two properties of DFT of a sequence 7M

UNIT-III

5. (a). Explain radix-2 DIT FFT algorithm in detail by taking 8 points 7M

(b). Compute IDFT of the sequence

X(K)=7,-0.707-j0.707,-j,0.707-j0.707,1,0.707+j0.707,j,-0.707+j0.707

7M

(OR)

6. (a). Explain basic operations of DIT FFT and DIF FFT algorithms and draw

their signal flow graphs

7M

(b). Find the DFT of the sequence x(n)=1,2,2,1,1,2,2,1 using DIT FFT algorithm 7M

UNIT-IV

7. (a). Explain about IIR filter design using Bilinear transformation

7M

(b). Design a digital Butterworth filter satisfying the constraints

0.707 ≤ 𝐻(𝑒𝑗𝜔 ) ≤1 for 0 ≤ 𝜔 ≤𝛱

2

𝐻(𝑒𝑗𝜔 ) ≤0.2 for 3𝛱

2≤ 𝜔 ≤ 𝛱

with T=1 sec using any IIR design method

7M

(OR)

8. (a). Convert the single pole low pass filter with system function

𝐻(𝑧) =0.5(1+𝑍−1)

1−0.302𝑍−2 into bandpass filter with upper and lower cutoff

frequencies 𝜔𝑢 and 𝜔𝑙 respectively. The lowpass filter has 3dB bandwidth

𝜔𝑝 =𝛱

6 and 𝜔𝑢 =

3𝛱

4 𝜔𝑙 =

𝛱

4

7M

(b). Design a Third order Butterworth digital filter using impulse

Invariant technique. Assume sampling period T=1sec.

7M

22

UNIT-V

9. (a). Determine the frequency response of FIR filter defined by y(n)=0.25x(n)+

x(n-1)+0.25x(n-2). Calculate phase delay and group delay

7M

(b). Design an ideal low pass filter with frequency response

𝐻(𝑒𝑗𝜔 ) = 1 𝑓𝑜𝑟 −𝜋

2≤ 𝜔 ≤

𝜋

2

= 0 𝑓𝑜𝑟 π

2≤ 𝜔 ≤ π

Find the values of h(n) for N=11. Find H(z) Plot the magnitude response

7M

(OR)

10. (a). What is the reason for using windows in design of FIR filters? Explain any

Two windows used in design of FIR filter.

7M

(b). Design a filter with

𝐻𝑑(𝑒𝑗𝜔 ) = 𝑒𝑗3𝜔 𝑓𝑜𝑟 −𝜋

4≤ 𝜔 ≤

𝜋

4

= 0 𝑓𝑜𝑟 π

4≤ 𝜔 ≤ π

Using Hamming window with N=7.

7M

[B17EE3204]

23

[B17EE3205]


POWER SYSTEM PROTECTION






*****

UNIT-I

1. (a) What are the essential qualities of power system protection? 7M

(b) Explain the role of CTs and PTs in protection. 7M

(OR)

2. (a) Describe primary and back-up protection. 7M

(b) With the help of a mathematical analysis, explain how a summation

transformer derives a single-phase quantity from three-phase quantities.

7M

UNIT-II

3. (a) Explain the construction and working of a HRC fuse. Give advantages and

applications of these fuses.

7M

(b) Explain the phenomenon of single frequency and double frequency transients. 7M

(OR)

4. (a) Derive the expression for critical resistance in resistance switching in a circuit

breaker operation.

7M

(b) For a 132-kV system, the reactance and capacitance up to the location of the

circuit breaker is 3 Ω and 0.015 µF, respectively. Calculate:

i) The frequency of transient oscillation

ii) The maximum value of restriking voltage across the contacts of the

circuit breaker

iii) The maximum value of RRRV.

7M

UNIT-III

5. (a) Describe with neat sketches the construction and operation of an Air Blast

circuitbreaker and its types.

7M

(b) Give the properties of SF6 gas and explain the arc extinction process in SF6 gas

and mention its advantages.

7M

(OR)

6. (a) Explain the working of a Vacuum Circuit Breakers with the help of some neat

sketches.

7M

(b) A 3 – Φ oil CB is rated at 1000A, 1500MVA, 33KV, 4sec. Find the rated

normal current, symmetrical breaking current and short time rating.

7M

UNIT-IV

7. (a) Explain about directional overcurrent relay with a schematic diagram and 7M

24

derive its torque expression.

(b) Explain mho relay with expressions for toque and impedance for the operation

of the relay. Draw the operating characteristic on R-X diagram.

7M

(OR)

8. (a) Describe different schemes for the protection of an alternator with neat

diagrams.

7M

(b) Describe the working of a static overcurrent relay. 7M

UNIT-V

9. (a) Explain about rod gap and arcing horn for overvoltage protection. 7M

(b) Briefly explain the types of lightning arresters. 7M

(OR)

10. (a) Explain Peterson coil for protection against arcing grounds with neat diagrams.

Derive the expression for the inductance required.

7M

(b) A 33 kV, 3-phase, 50 Hz, 60 km long overhead line has a capacitance to ground

of each line equal to 0.015 μF/km. Determine the inductance and kVA rating of

the Peterson coil.

7M

[B17EE3205]

25

[B17CS3214]


OOPS THROUGH JAVA

(Common to ECE & EEE) MODEL QUESTION PAPER




*****

UNIT-I

1. a. What are the oops concepts explain with example program. 7M

b. Explain different types of primitive data types. 7M

OR

2. a. What is type conversion and casting? Explain in detail. 7M

b. Explain in detail about identifiers, literals and operators. 7M

UNIT-II

3. a. Explain methods, classes, messages. 7M

b. Define overloading and exceptions? Explain in detail. 7M

OR

4. a. Explain class declaration and creating objects with an example. 7M

b. Write about the importance of static keyword. 7M

UNIT-III

5. a. What is super keyword and final keyword explain. 7M

b. Write the importance of CLASSPATH in java. 7M

OR

6. a. What is user defined exceptions explain with an example. 7M

b. Briefly define about try, catch, throw and assertions. 7M

UNIT-IV

7. a. What are the difference between multitasking and multithreading. 7M

b. Define thread? Explain thread life cycle in detail. 7M

OR

8. a. Write about the reading data from files and writing data into the files. 7M

b. What is random access files? Explain.

7M

UNIT-V

9. a. Define Applet. What are the concepts of Applet? 7M

b. How to create an Applet explain with an example. 7M

OR

10. a. Define swing. Explain in detail.. 7M

b. What is component and container in swing.

.

7M

[B17CS3214]

26

[B17CS3217]

III B. Tech II Semester (R17) Regular Examinations UNIX & SHELL PROGRAMMING





*****

UNIT-I 1.

a. What is Unix ? Briefly explain various components of Unix 7 M

b. Explain Command substitution. 7 M

OR

2. Write about various UNIX basic commands with suitable examples. 14 M

UNIT-II

3. Write about Files and Directories in UNIX with associated commands. 14M

OR 4. With suitable examples write about the following commands

a) Chmod command 6 M

b) Chown command 4 M

c) Chgrp command 4 M

UNIT-III

5. Write about shell command arguments, parameters and Shell variables 14M

OR

6. With suitable examples explain Looping in shell programs 14M

UNIT-IV

7. What are filters and write about the GREP family 14 M

OR

8. a) Write about the AWK pattern 7 M

b) What are Good files and Good filters 7 M

UNIT-V

9. write about the following

a) Branch Control Structures 5 M

b) Loop Control Structures 5 M

c) Break and Continue statements 4 M

OR

10. Explain Expr, Sleep and Script Command 14 M

[B17CS3217]

27

[B17CS3218]


NEURAL NETWORK & FUZZY LOGIC






*****

UNIT-I

1. (a). Compare Biological neuron model and artificial neuron model and

explainabout ANN advantages.

7M

(b). Define learning and explain about error correction learning strategies of ANN. 7M

(OR)

2. (a). List out the commonly used activation function in neural networks and explain

briefly.

7M

(b). Discuss in detail the historical development of artificial neural network. 7M

UNIT-II

3. Obtain output equations and weight update equations for a 3-layer feed forward

neural network using Back propagation algorithm and also discuss about the

limitations of Back propagation algorithm.

14M

(OR)

4. (a). With a neat flow chart, explain the training process of perceptron network also

list out the limitations of perceptrons.

7M

(b). Explain briefly about Hopfield networks. 7M

UNIT-III

5. (a). Explain briefly about the Bidirectional Associative Memory. 7M

(b). Write briefly about the Hebbian learning 7M

(OR)

6. (a). Draw the architecture of an autoassociative networks and explain the testing

algorithms adopted to test an autoassociative network.

7M

(b). Write the advantages and disadvantages of the associative memory network. 7M

UNIT-IV

7. (a). With suitable examples explain in detail about various Fuzzy set properties. 7M

(b). Explain in detail about various Fuzzy set relations. 7M

(OR)

8. (a). Explain about the defuzzification to crisp sets. 7M

(b). Two fuzzy sets defined by A=(x1,0.2) (x2,0.5)(x3,0.6)

and B=(x1,0.1)(x2,0.4)(x3,0.5) find i) product of a fuzzy sets ii) intersection

iii) complement

7M

UNIT-V

9. Illustrate the concept of pattern recognition and how ANN is helping in the

Pattern recognitionproblems.

14M

(OR)

10. Illustrate the concept of load frequency control and how fuzzy logic control is

helping in the load frequency control problems.

14M

[B17CS3218]

28

[B17EC3203]


VLSI DESIGN

(Common to ECE & EEE(Open Elective))






*****

UNIT-I

1. (a). Derive the expression for the ratio between Zp.u and Zp.d if an NMOS inverter is to

be driven from another NMOS inverter.

7M

(b). Explain the p-well process for a CMOS inverter with neat diagrams. 7M

(OR)

2. (a). With neat sketches explain NMOS transistor fabrication approach? 8M

(b). Determine Transconductance and Figure of merit of MOS transistor? 6M

UNIT-II

3. (a). Design a stick and Layout diagrams for NMOS shift register cell. 7M

(b). Discuss in detail the stick diagram design style of CMOS with neat diagrams of a

single bit shift register cell.

7M

(OR)

4. (a). Discuss in detail the stick diagram design style of NMOS for 4:1 invertor. 7M

(b). What are the design rules? State Lambda based design rules for the widths and

separation of conducting paths and for contact cuts and vias.

7M

UNIT-III

5. (a). Define and explain sheet resistance and calculate ON resistance for 4:1 NMOS

invertor?

7M

(b). Explain the limitations on scaling of MOS circuit for substrate doping and

Miniaturization? Discuss the limits of scaling due to Subthreshold currents.

7M

(OR)

6. (a). Explain different scaling factors for device parameters? 7M

(b). Explain area capacitance of layers and the calculations of wiring capacitances in a

MOS transistor?

7M

UNIT-IV

7. (a). Explain the basic architecture of FPGA. 7M

(b). Discuss briefly about the FPGA design flow process. 7M

(OR)

8. (a). Write short notes on practical design for test guidelines. 7M

(b). With the help of an example explain built in self-test. 7M

UNIT-V

9. (a). Briefly explain Deep submicron digital IC design flow 7M

(b). Explain the power consumption in low power CMOS circuits 7M

(OR)

10. Write about Grid and Clock optimization of switching activity in CMOS circuits 14M

[B17EC3203]

29

[B17ME3210]


INDUSTRIAL ROBOTICS

(Common to ECE & EEE)






*****

UNIT-I 1. a. Define the terms ‘Robot’ and ‘Robotics’. Discuss the role of robots in

engineering.

7M

b. How do you specify a robot? Is robotics automation? Discuss the

differentclassification systems of robots.

7M

OR

2. a. How can we classify the robotics by coordinate systems, Explain. 7M

b. Write an over view of robotics with present and future applications. 7M

UNIT-II

3. a. Apply a suitable technique for the two degree of freedom for both Rotational

andLinear system and derive the equation of motion.

7M

b. Explain about the function line diagram representation of robot arms. 7M

OR

4. a. Classify the different types of arms of robot, and explain in detail each. 7M

b. Write in detail about locomotion devices. 7M

UNIT-III

5. a. Write about the different problems of homogeneous transformations of

rotation.

7M

b. Explain about D-H notation joint coordinates and world coordinates. 7M

OR

6. a. Define and derive the Newton-Euler formulations in robotics. 7M

b. Briefly discuss about Lagrange-Euler notations in robotics. 7M

UNIT-IV

7. a. Explain how the trajectory planning can be performed in robotics. 7M

b. Write about skew motion and joint integrated motion.

7M

OR

8. a. What are the general considerations are there in path description? Explain. 7M

b. Discuss about the different types of software packages in robot programming.

7M

UNIT-V

9. a. Discuss the applications and working principle of the following sensors.

i) Range sensors ii) Acoustic sensors iii) Tactile sensors

7M

b. What are the different actuators used in the robots? Describe them briefly. 7M

OR

10. a. Write about the applications of robots in manufacturing. 7M

b. Explain about the importance of motors in robotics. 7M

[B17ME3210]

1

[B17IT3101]

III B. Tech I Semester (R 17) Regular Examinations

COMPUTER NETWORKS

DEPARTMENT OF INFORMATION TECHNOLOGY





UNIT-I

1. (a). Explain the different topologies of the network 7M

(b). Explain the TCP/IP model? 7M

(OR)

2. (a). Explain the significance of Switching? What are different switching techniques

Used in computer networks? Discuss. 7M

(b). What is the significance of layered architecture? Explain the OSI layered

Architecture with neat sketch. 7M

UNIT-II

3. (a). Explain the following error detection techniques

i) Checksum ii) CRC 7M

(b). What is the significance of Bridges? Explain the different types of Bridges 7M

(OR)

4. (a). Write about different Flow control mechanism? 7M

(b). Explain about medium access protocols. 7M

UNIT-III

5. (a). Explain about IPV4 header format with neat sketch. 7M

(b). With an example explain the distance vector routing algorithms used in computer

networks

7M

(OR)

6. (a). Explain about IPV6 header format with neat sketch. 7M

(b). Explain briefly about IPV4 addressing. 7M

UNIT-IV

7. (a). Explain the Services of Transport layer 7M

(b). Discuss about TCP and UDP Protocols 7M

(OR)

8. (a) What are the reasons for congestion? What are the problems with congestion?

(b) Explain in detail about Connection management.

UNIT-V

9. (a). Write short notes on the following

i) DNS ii) FTP

7M

(b). Explain about MIME 1.1. 7M

(OR)

10. (a). Write in detail about 802.15 Ad hoc networks.

(b). Explain in detail about HTTP Transaction and messages.

7M

2

[B17IT3102]


E-COMMERCE






UNIT-I

1. (a). A) What is e-commerce? Describe E-commerce with WWW/Internet.

7M

(b). Explain layered architecture Electronic Data Interchange.

7M

(OR)

2. (a). Discuss models of electronic commerce. 7M

(b). What are the available communication apparatus in e-commerce environment? 7M

UNIT-II

3. (a). Write short notes on SET protocol. 7M

(b). Write short notes on SEPP Protocol. 7M

(OR)

4. (a). Explain about security on enterprise networks. 7M

(b). Explain RSA algorithm with example. 7M

UNIT-III

5. (a). What are the security requirements for using online e-cash services?

7M

(b). Discuss about the Payment & Purchase Order process. 7M

(OR)

6. (a). What is E-cash? Explain. 7M

(b). How to prevent double spending in E-Cash? Elaborate with an algorithm. 7M

UNIT-IV

7. (a). Write the importance of electronic payment systems. What are the various types

of e-payment systems? Discuss them in detail. 7M

(b). How does an E-mail work? State its advantages with regard to e-commerce. 7M

(OR)

8. (a) Explain about ITU-T Model?

(b) Write short notes on UUEncode/UUDecode

UNIT-V

9. (a). Write about how search engines are helpful to e-commerce. 7M

(b). What is Firewall? State the function of Firewall in e-commerce. 7M

(OR)

10. (a). Discuss about internet access and architecture and internet applications for E-Commerce.

(b). Describe Technologies for Web Servers in E-commerce. 7M

3

[B17IT3103]


COMPILER DESIGN






*****

UNIT-I

1. (a). Write about phases of compiler in detail. 7M

(b). Write a mechanism for converting the NFA to DFA 7M

(OR)

2. (a). Explain different Input Buffering methods. 7M

(b). Write about Language Processors & its functionality. 7M

UNIT-II

3. (a). Write about ll(1) parsing mechanism 7M

(b). Explain the rules to calculate first & follow.

Calculate the first & follow for given grammar symbols.

EE+E/E*E/(E)/a/bc

7M

(OR)

4. (a). Write about LR(0) item set 7M

(b). Implement CLR parser for the given grammar S → AB, A → aaA | ε, B → Bb| ε

7M

UNIT-III

5. (a). Explain evaluation Orders for SDD's 7M

(b). Construct the SDD tree for the given expression evaluation

X=(a+b)*c*d-(x+g)

7M

(OR)

6. (a). Explain about syntax tree & dag representation of intermediate code 7M

(b). Explain intermediate code for while loop & for loop. 7M

UNIT-IV

7. (a). Write about Run time storage methods.

7M

(b). How to implement peep hole optimization. 7M

(OR)

8. (a) What is flow graph? Implement the mechanism to construct flow graph.

(b) Discuss about simple code generation algorithm.

UNIT-V

9. (a). Explain the principle sources of optimization. 7M

(b). Explain various methods of machine independent optimization. 7M

(OR)

10. Explain the global data flow analysis 14M

4

[B17IT3104]


OPERATING SYSTEMS






*****

UNIT-I

1. (a). What is Operating System? Explain different types of Operating Systems. 7M

(b). Explain about Process System calls and File system calls. 7M

(OR)

2. (a). What is Layered Structure? How it is different from Monolithic Structure? 7M

(b). What are the different Operating System Services? Explain. 7M

UNIT-II

3. (a). What is Process? Explain Process State Chart diagram with a neat sketch. 7M

(b). Explain any two Non Preemptive Scheduling algorithms? 7M

(OR)

4. (a). What is Scheduler? Explain about Criteria for scheduling processes. 7M

(b). What is Thread? How Threads are Scheduled? 7M

UNIT-III

5. (a). What is Paging? How the Page fault is handled by OS? 7M

(b). Explain Least Recently Used (LRU) Page replacement algorithm. 7M

(OR)

6. (a). What is Inverted Paging? How it is different from Paging? 7M

(b). What are the design issues of Page Replacement Algorithms? 7M

UNIT-IV

7. (a). Explain briefly with example

i) Race Condition

ii) Mutual Exclusion

iii) Critical Section

7M

(b). What is Semaphore? Design a Semaphore solution for Dining Philosophers

problem. 7M

(OR)

8. (a). What is Dead Lock? Explain Dead Lock Avoidance algorithm. 7M

(b). Design Monitor solution for the Producer Consumer Problem. 7M

UNIT-V

9. (a). Describe and compare different File allocation methods. 7M

(b). What is Disk Management? Describe any two Disk Arm Scheduling

Algorithms? 7M

(OR)

10. (a). Differentiate Access Control List (ACL) and Capabilities List (C-List)

protection mechanisms. 7M

(b). Explain Basic features of Linux operating System. 7M

5

[B17IT3105]


DATABASE MANAGEMENT SYSTEMS

INFORMATION TECHNOLOGY





*****

UNIT-I

1. (a). Describe the problems with file processing system with supporting examples. 7M

(b). Describe the levels of abstraction supported by DBMS. 7M

(OR)

2. (a). Explain about weak entity sets with a suitable example. 5M

(b). Consider the following database. Draw the complete E-R Diagram for

the Bank Database. Assume in a city,

- There are multiple banks and each bank has many branches.

- Each branch has multiple customers.

- Customers have various types of accounts.

- Some customers also had taken different types of loans from these bank

branches.

- One customer can have multiple accounts and loans.

9M

UNIT-II

3. (a). Explain various Integrity constraints over Relationships. 7M

(b). Consider a binary relationship with key and participation constraints and

translate it into a collection of tables.

7M

(OR)

4. (a). Explain with suitable examples, selection, projection, cross product and join

operators in Relational algebra.

7M

(b). What is a view? Explain about view updates in DBMS. 7M

UNIT-III

5. (a). Consider the database Schema:

Employee(ENO, F_Name, Initial, L_name, DOB, Address, Salary, Dno)

Department(Dno ,Dname, ,Mgr_ENO,Mgr_startdate)

Project(PNO,P_name, P_location, Dno)

Works_on(ENO, PNO, hours)

Dependent(ENO, Dependent_Name, Gender, BDate, Relationship)

Answer the following queries in SQL.

a) Retrieve the name and address of all employees who work for the

„Research department‟.

6

b) List the project numbers for projects that involve an employee whose

last name is „Kumar‟, of the department that controls the project.

c) For each department, retrieve the department name and the

d) Average salary of all employees working in that department.

e) For each department find the details of eldest employees.

8M

(b). What is Trigger? Explain with an example. 6M

(OR)

6. (a). Consider the following database and answer the following queries in

SQL.

Suppliers (sid, sname, address), Parts (pid, pname, color)

Catalog (sid, pid, cost)

I) Find the pnames of parts for which there is some supplier.

II) Find the snames of suppliers who supply every red part.

III) For each part, find the sname of the supplier who charges the most for

that part.

IV) Find the sids of suppliers who supply a red part and a green part.

8M

(b). Explain JDBC with an example.. 6M

UNIT-IV

7. (a). What is redundancy? Discuss the anomalies due to redundancy in relations. 5M

(b). Discuss 2NF, 3NF and BCNF with suitable examples. 9M

(OR)

8. (a). Consider a relation R(A,B,C,D,E) and set of FDs F=A->BC,CD->E,B->D,E-

>A. Find out candidate keys of R. Find the best normal form that R satisfies

under F. If R is decomposed into R1 (A, B, C) and R2 (A, D, E), Check

whether the decomposition is loss less and dependency preserving.

9M

(b). What is multi valued dependency? Explain 4NF with an example. 5M

UNIT-V

9. (a). What is Transaction? Explain the properties of Transaction. 7M

(b). Explain the anomalies caused due to interleaved execution of transactions with

examples. 7M

(OR)

10. (a). Briefly explain any two specialized locking techniques. 7M

(b). Explain the three phases of recovery from a system crash. 7M

7

[B17IT3106]


DESIGN AND ANALYSIS OF ALGORITHMS






*****

UNIT-I

1. (a). Write an algorithm for finding the Maximum and Minimum and find it time

Coplexity

7M

(b). Explain about Strassen‟s Matrix Multiplication using Divide-and-Conquer 7M

(OR)

2. (a). Write an algorithm for Quick Sort. Sort the following list of elements Using

Quick Sort algorithm 5 , 5 , 8 , 3 , 4 , 3 , 2

7M

(b). Explain Convex Hull problem using Quick Hull Algorithm. 7M

UNIT-II

3. (a). Find an optimal solution to the Knapsack Problem using Greedy Method n=7,

m=15, (p1,p2,p3,p4,p5,p6,p7) = (10,5,15,7,6,18,3) and

(w1,w2,w3,w4,w5,w6,w7) = (2,3,5,7,1,4,1).

7M

(b). Write Prim‟s Algorithm and find the Minimum cost Spanning Tree and cost for

the following graph using Prim‟s Algorithm.

7M

(OR)

4. (a). Find the solution for following Job Sequencing with Deadlines problem using

algorithm when n=7, (P1,P2,P3,P4,P5,P6,P7) =(3,5,20,18,1,6,30) and

(d1,d2,d3,d4,d5,d6,d7) =(1,3,4,3,2,1,2)

7M

(b). Find the set of optimal Huffman codes for the messages

(M1,M2,M3,M4,M5,M6,M7) with relative frequencies (q1,q2,q3,q4,q5,q6,q7)

= (4,5,7,8,10,12,20). Draw the decode tree for this set of codes.

7M

UNIT-III

5. Explain Optimal Binary Search Tree problem and Using Optimal Binary

Search Tree(OBST) algorithm to compute w(i,j), r(i,j) and c(i,j), 0<=i<j<=4,

for the identifier set (a1,a2,a3,a4)=(cout,float,if,while) with p(1)=1/20,

p(2)=1/5 p(3)=1/10,

p(4)=1/20,q(0)=1/5,q(1)=1/10,q(2)=1/5,q(3)=1/20,q(4)=1/20. Using r(i,j)‟s

construct the Optimal Binary Search Tree.

14M

(OR)

6. (a). Explain about Multi Stage Graphs using Dynamic Programming 7M

8

(b). Explain Reliability Design using the Following example C=105, (c1,c2,c3)

=(30,15,20) and (r1,r2,r3) = (0.9,0.8,0.5) 7M

UNIT-IV

7. (a). Write an algorithm for Breadth First Search. Explain with example. 7M

(b). Explain 4-Queen problem. 7M

(OR)

8. (a). Find the solution for the following Sum of Subsets problem using Backtracking

m=35, w = 5, 7, 10, 12, 15, 18, 20

7M

(b). Explain about Bi-Connected Components and DFS 7M

UNIT-V

9. (a). Solve the following 0/1 Knapsack Problem using LC Branch-and-Bound n=4,

(P1,P2,P3,P4) = (10,10,12,18), (w1,w2,w3,w4) =(2,4,6,9) and m=15. 7M

(b). Write the Control Abstractions for LC-Search. 7M

(OR)

10. Find the solution for Traveling salesperson problem using Branch and Bound

instance defined by the cost matrix

∞ 7 3 12 8

3 ∞ 6 14 9

5 8 ∞ 6 18

9 3 5 ∞ 1

18 14 9 8 ∞

14M

9

[B17IT3201]

III B. Tech II Semester (R 17) Regular Examinations

WEB TECHNOLOGIES






*****

UNIT-I

1. (a). Create a simple HTML page which demonstrates the use of the various types of lists. Try adding a definition list which uses an unordered list to define terms.

7M

(b). Show how group and alignment of table rows and columns is achieved using HTML.

7M

(OR)

2. (a). Compare and contrast HTML and DHTML. 7M

(b). Explain the various ways you can reference a color in CSS. 7M

UNIT-II

3. (a). Write a javascript to validate a form consisting of a username. Also navigate to another

web page after validation. 7M

(b). Insert an image into a web page. Write a script which displays a message when the

mouse is over the image. The co-ordinates of the mouse should be displayed if click is

attempted on the image.

7M

(OR)

4. (a). Describe the various Date Objects with suitable examples. 7M

(b). Develop a javascript to determine whether a given number is an „ARMSTRONG

NUMBER‟ or not. [Eg: 153 is an Armstrong number, since sum of the cube of the

digits is equal to the number i.e.,13 + 53+ 33 = 153]

7M

UNIT-III

5. (a). What are the goals of XML? 7M

(b). Explain the four possible keywords in a DTD declaration with suitable examples. 7M

(OR)

6. (a). Explain the advantages of XML schemas over DTDs. 7M

(b). What are the advantages and disadvantages of Ajax? What are all the [16M]

technologies used by Ajax? Explain. 7M

UNIT-IV

7. (a). Writer the steps to run basic PHP?write any four string function s in php 7M

(b). Explain different types of arrays in php with example? 7M

(OR)

8. (a) Write a PHP script to open, close, read and write into a file

(b) Explain predefined and user defined functions in PHP with an example.

UNIT-V

9. (a). Explain about arrays creation, manipulation functions that support by RUBY with

example. 7M

(b). Write about pattern matching in RUBY 7M

(OR)

10. (a). Explain hashes and classes in ruby with suitable examples. 7M

(b). Write the significance of Singleton Method in Ruby with an example. 7M

10

[B17IT3202]


OBJECT ORIENTED SOFTWARE ENGINEERING






*****

UNIT-I

1. (a). Explain about Types of Software 7M

(b). Write about Spiral Model 7M

(OR)

2. (a). Write about Software Engineering Activities 7M

(b). Explain about Evolutionary Model 7M

UNIT-II

3. (a). What is User-Centered Design 7M

(b). Explain about Use case diagram 7M

(OR)

4. (a). What are Characteristics of Users 7M

(b). Explain about State chart diagram 7M

UNIT-III

5. (a). What are the Essentials of UML Class Diagrams 7M

(b). What is the necessity of Component Diagram is UML 7M

(OR)

6. (a). Write about Different relationship is in UML 7M

(b). Write about Activity Diagrams 7M

UNIT-IV

7. (a). Explain about Abstraction-Occurrence Pattern 7M

(b). Write about Immutable Pattern 7M

(OR)

8. (a) Explain about Hierarchical Pattern

(b) Write about MVC Architectural Pattern

UNIT-V

9. (a). Write about Testing Strategies 7M

(b). Explain about Quality Assurance 7M

(OR)

10. What are the Activities of Software Project Management 14M

11

[B17IT3203]


CRYPTOGRAPHY AND NETWORK SECURITY






*****

UNIT-I

1. (a). Explain about Principles of security 7M

(b). Explain substitution techniques 7M

(OR)

2. (a). Explain Play Fair Cipher with Example 7M

(b). Explain RC-5 Algorithm 7M

UNIT-II

3. (a). P=17, Q=37, E=7, M=2.What is Cipher Text using RSA? 7M

(b). Differences between Symmetric and Asymmetric Cryptography 7M

(OR)

4. (a). Explain MD-5 Algorithm 7M

(b). Explain about Digital Signature algorithm 7M

UNIT-III

5. (a). Describe Authentication Token Mechanism 7M

(b). How to Sign and Verify Digital Certificate 7M

(OR)

6. (a). Explain Digital certificate 7M

(b). Explain PKIX Model. 7M

UNIT-IV

7. (a). Explain PGP with neat diagrams 7M

(b). Explain Security in GSM 7M

(OR)

8. (a) Explain Secure Socket Layer

(b) Explain SET Protocol

UNIT-V

9. (a). Explain IP Security 7M

(b). Explain Countermeasures to warms 7M

(OR)

10. Explain Fire walls with neat diagrams 14M

12

[B17IT3204]


STATISTICS WITH R PROGRAMMING






*****

UNIT-I 1. (a). Write about complex objects and set operations in R.

7M

(b). Find median and mode of following numbers 12,13,11,10,9,11,7,11,10,15,16,11

7M

(OR)

2. (a). Explain different data structures in R. 7M

(b). Write about data frame? Write about operations on data frame. 7M

UNIT-II

3. (a). Write about control statements in R 7M

(b). Implement binary search tree with R 7M

(OR)

4. (a). Write about user defined functions in R with suitable example? Explain about default

values and in return statements in functions?

7M

(b). Write R code to generate first n terms of a Fibonacci series 7M

UNIT-III

5. (a). Write about sort, rank and order functions with examples. Write about functions for

statistical distributions. 7M

(b). Write about the following functions with example

a)points() b) legend() c)text() d) locator()

7M

(OR)

6. (a). Explain about Finding Stationary Distributions of Markov Chains 7M

(b). Explain functions for accessing the keyboard and monitor, Reading and writing files 7M

UNIT-IV

7. (a). Write R script to create a linegraph.

7M

(b). How to plot multiple curves in same graph? Explain with example? 7M

(OR)

8. (a) What is Box plot? Explain importance of boxplot with example?.

(b) Draw a pie chart for the following data

Section I, II, III , IV, V

No.of workers220,370, 190, 70, 250

UNIT-V

9. (a). Following are the runs scored by a batsman in 10 consecutive matches:

22,98,13,54,77,61,45,32,19,85 Compute coefficient of variation.

7M

(b). Explain about logistic regression. 7M

(OR)

10. (a). Write in detail about Random Forest.

(b). Fit a polynomial of degree 2 to the following data

X 0 1 2 Y 1 6 17

7M

13

[B17IT3205]


DATA WARE HOUSING AND BUSINESS INTELLIGENCE






*****

UNIT-I

1. (a). Write about Classification of Data Mining systems 7M

(b). Explain about operations of OLAP 7M

(OR)

2. (a). Write about functionalities of Data Mining 7M

(b). What are the Major issues in Data Mining 7M

UNIT-II

3. (a). Write about Data Integration 7M

(b). Explain about Numerosity Reduction 7M

(OR)

4. (a). Write about Data Cube Aggregation 7M

(b). Write about Data Transformation 7M

UNIT-III

5. (a). What is Market Basket Analysis 7M

(b). Explain about Constraint-Based Association Mining 7M

(OR)

6. (a). Write about Frequent Pattern Mining 7M

(b). Explain about Multilevel Association Rules 7M

UNIT-IV

7. (a). Explain about Decision tree algorithm 7M

(b). Write about Categories of clustering methods 7M

(OR)

8. (a) Explain about Bayesian Classification

(b) Write about K-Means Algorithm

UNIT-V

9. (a). Write about Web Content Mining 7M

(b). Explain about Automatic Classification of web Documents 7M

(OR)

10. What are the Data Mining for Business Intelligence Applications 14M

14

[B17IT3206]


ARTIFICIAL INTELLIGENCE





All questions carry equal marks. *****

UNIT-I

1. (a). Define Artificial Intelligence. Explain the techniques of A.I.

Also describe the Characteristics of Artificial Intelligence.

7M

(b). Explain the state space representation of Water Jug problem.

7M

(OR)

2. (a). Define Heuristic search? What are the advantages of Heuristic search? 7M

(b). Describe the mini max algorithm with an example. 7M

UNIT-II

3. (a). What is predicate logic? Explain the predicate logic representation with

reference to suitable example 7M

(b). Consider the following sentences: Marcus was a man

Marcus was a Pompeian

Marcus was born in 40 AD

All men are m All pompeians died the Volcano erupted in 79 AD

7M

(OR)

4. (a). Describe your chair using a semantic net 7M

(b). Knowledge Representation using Frames. 7M

UNIT-III

5. (a). Explain the process of knowledge acquisition and validation for expert systems 7M

(b). List out and explain the characteristics features of expert system 7M

(OR)

6. (a). Define certainty factor. What are the components of certainty factor? 7M

(b). Explain Bayesian method of reasoning 7M

UNIT-IV

7. (a). Explain Supervised and unsupervised Learning. Methods in detail. 7M

(b). How to implement inductive learning? 7M

(OR)

8. (a) Design Issues of Artificial Neural Networks, Recurrent Networks. 7M

(b) Explain functionality of Recurrent Networks 7M

UNIT-V

9. Explain the phases of language processors in detail. 14M

(OR)

10. Explain various types of Parsers and Universal Networking Knowledge. 14M

15

[B17IT3207]


SEMANTIC WEB AND SOCIAL NETWORKS






*****

UNIT-I

1. (a). Explain about intelligent web applications. 7M

(b). What are the features of next generation web? 7M

(OR)

2. (a). Give an overview of the following

Inference engines 7M

(b). Software agents 7M

UNIT-II

3. (a). Explain the features of Ontology? 7M

(b). Explain how UML is used for knowledge representation? 7M

(OR)

4. Explain resource description framework (RDF) schema. 14M

UNIT-III

5. (a). Explain the process of constructing ontology. 7M

(b). Explain ontology sharing 7M

(OR)

6. (a) Explain the OWL-S service profiles? Explain how OWL-S ontology is created

for web services. 14M

UNIT-IV

7. (a). Explain the key concepts of social network analysis. 7M

(b). Explain the global structure of social networks. 7M

(OR)

8. (a) Write about XML based web services 7M

(b) Explain in detail about Web Search Agent and Semantic Methods 7M

UNIT-V

9. (a) Build Semantic Web Applications with social network features. 14M

(OR)

10. (a). Write short notes on:

Electronic discussion networks 7M

(b). blogs

7M

16

[B17EC3210]








*****

UNIT-I

1. (a). A) Determine the impulse response h(n) for the system described by the second order difference equation y (n) – 4 y (n-1) + 4 y (n-2) = x (n-1)

7M

(b). Find the magnitude and phase response for the system characterized by the difference equation y (n) = x (n) + x (n-1) + x (n-2)

7M

(OR)

2. (a). Check the following filter for time invariant, causal and linear y (n) = (n-1) (n+1) 7M

(b). Check the following filter for time invariant, causal and linear y(n) = x (n-2) 7M

UNIT-II

3. Explain the canonical form of digital filter realization. 14M

(OR)

4. Discuss the concept of stability and causality with examples. 14M

UNIT-III

5. Explain the properties of DFT. 14M

(OR)

6. Explain Radix- 2 Decimation- in-Time algorithms. 14M

UNIT-IV

7. For the analog transfer function H(s) = 2/ (s+2) (s+3). Determine H (z) using

impulse invariance method. Assume T = 1 sec. 14M

(OR)

8. Design a digital second order Low-Pass Butterworth filter with cut-off frequency

2.2KHz using Bilinear Transformation. Sampling rate 8 KHz.

14M

UNIT-V

9. Using a rectangular window technique, design a low pass filter with pass band gain of unity, cut-off frequency of 1000Hz and working at a sampling frequency of 5 KHz. The length of the impulse response should be 7.

14M

(OR)

10. Consider a second order IIR filter with (1 0.5 )(1 0.45 ) 1 ( ) 11 z z H z . Find the effect on quantization on pole locations of the given system function in direct form and in cascade form. Assume b=3 bits. 14M

17

[B17ME3211]


ROBOTICS






*****

UNIT-I

1. (a). Discuss Robot Languages and Derive matrix that represents pure rotation about

y-axis of reference frame. 7M

(b). What is actuator and What are the characteristics of actuator system

7M

(OR)

2. (a). Write short notes on potentiometers and encoders? 7M

(b). Discuss sensor characteristics? 7M

UNIT-II

3. What is Robot? What are the components of the Robot? 14M

(OR)

4. Explain the Robot Applications? 14M

UNIT-III

5. What are the advantages and disadvantages of robotics? 14M

(OR)

6. Derive pitch,roll,yaw, Euler‟s angles? 14M

UNIT-IV

7. Discuss Forward and Inverse kinematics of robot? 14M

(OR)

8. Explain various stepper motors? Compare Hydraulic, electric, pneumatic actuating system?

14M

UNIT-V

9. Explain Hydraulic actuators? What is position sensor? What are various position sensors and

explain it? 14M

(OR)

10. Write Short notes on the Following

a) Basic principle on velocity sensors

b) force and pressure sensors

c) Matrix representation of Robot Mechanism 14M

18

[B17IT3208]

III B. Tech II Semester (R 17) Regular Examinations (elective)

IMAGE PROCESSING






UNIT-I

1. (a). Explain about image model and quantization. 7M

(b). What is a Histogram? Explain decision of contrast based on histogram.

7M

(OR)

2. (a). What is histogram Equalization? Explain in detail? 7M

(b). Write about image acquisition, sampling and pixels? 7M

UNIT-II

3. (a). What are the advantages of adaptive filters? Explain about adaptive medianfilter. 7M

(b). Explain about image restoration using inverse filtering. Write the draw backs of

this method. 7M

(OR)

4. (a). With necessary equations, explain about Homo morphic filtering 7M

(b). Explain how periodic noise can be reduced using frequency domain filtering 7M

UNIT-III

5. (a). Explain about Color fundamentals and color model. 7M

(b). Explain different edge enhancement filters in spatial domain. 7M

(OR)

6. (a). Explain about Contrast based edge enhancement techniques? 7M

(b). Explain SOBEL, LAPLACIAN filters? 7M

UNIT-IV

7. (a). Explain Run Length Encoding and suggest some modification to run length

encoding 7M

(b). Discuss about Image compression standards? 7M

(OR)

8. (a) What is image compression? Discuss Huffman coding with an example?

(b) Explain the effect of compression due to quantization.

UNIT-V

9. (a). What is the need for image segmentation? What are the characteristics of

segmentation ?

7M

(b). Differentiate between Region and pixel based segmentations? 7M

(OR)

10. (a). What are morphological characteristics of an image?

(b). Write about segmentation by sub region aggregation and pixel aggregation?

7M

19

[B17IT3209]

II B. Tech I Semester (R 17) Regular Examinations

OPERATIONS RESEARCH






*****

UNIT-I

1. (a). What is Operations Research? Explain different Phases of OR. 7M (b). A Diet for sick person must contain at least 3000 units of vitamins 5 units of minerals

and 450calories. Two foods A & B are available at a cost of Rs. 4/- and Rs.3/- per unit

respectively. If one unit of food A contains 200 units of vitamins, 1 unit of minerals

and 40 calories and one unit of food B contains 100 units of vitamins, 2 unit of

minerals and 40 calories. Formulate the LPP and fine the combination of foods to be

used to have least cost using Simplex method?

7M

(OR)

2. (a). What is Degeneracy in LPP? How to resolve it? 4M (b). Use the Simplex method to solve the following LPP

Max (Z) = 3X1 + 5X2 + 4X3

Subjected to constraints: 2X1 + 3X2 ≤ 8 , 2X2 +5X3 ≤ 10, 3X1 + 2X2 + 4X3 ≤ 15 and

X1, X2, X3≥ 0

10M

UNIT-II

3. (a). What is Degeneracy in Transportation problem? How to resolve it? 4M (b). Solve the Following LPP using Dual Simplex method?

Max( Z ) = X1 + X2

Subjected to constraints 2X1 + X2 ≥ 2, -X1 - X2 ≥ 1 and X1 , X2 ≥ 0

10M

(OR)

4. (a). What is the difference between Simples method and Duel Simplex method? 4M (b). Determine an Initial Basic Feasible Solution to the following Transportation Problem

by using: i) North West Corner Rule ii) Vogel‟s Approximation method

D1 D2 D3 D4 Supply

A 11 13 17 14 250

B 16 18 14 10 300

C 21 24 13 10 400

Demand 200 225 275 25

10M

UNIT-III

5. (a). What is the difference between Travelling Salesman problem and Assignment

problem? 4M

(b). Find the Optimal assignment between four Jobs to Four Men whose effectiveness

matrix is given below.

Man\ Job A B C D

I 5 3 2 8

II 7 9 2 6

III 6 4 5 7

IV 5 7 7 8

10M

(OR)

6. (a). Explain Hungarian method to solve Assignment problems? 4M

20

(b). Solve the Travelling Salesman problem in the matrix shown below?

I II III IV V

A - 6 12 6 4

B 6 - 10 5 4

C 8 7 - 11 3

D 5 4 11 - 5

E 5 2 7 8 -

10M

UNIT-IV

7. (a). Derive the equation for “EOQ” when lead Time is zero and No Shortages are allowed? 4M

(b). The Project being planned involved the following activities [6M]

Activity A B C D E F G H I J

Predecessor - - - A A A B,C C D E,G

To 4 1 2 1 1 1 1 4 2 6

Tm 4 2 5 4 2 5 2 4 2 7

Tp 10 9 14 7 3 9 9 4 8 8

i. Construct the network diagram.

ii. Find out the Critical path?

iii. What is the probability of completing the project within 20 days?

10M

(OR)

8. (a). An oil engine manufacturer purchases lubricants at the rate of Rs.42 per piece from

vendor. The requirements of these lubricants are 1,800 per year. What should be the

order quantity per order, if the cost of placement of an order is Rs.16 and inventory

carrying cost per rupee per year is 20 paisa?

7M

(b). What is PERT Technique in Network analysis? How it is different from CPM

Technique 7M

UNIT-V

9. (a). What is value of Game? How to calculate value of game for Two person Zero Sum

game. 4M

(b). Two Companies are competing for same product. Their different strategies are in the following

payoff matrix. Use dominance principle to find the solution.

Company-B

Company-A

I II III IV

I 3 2 4 0

II 3 4 2 4

III 4 2 4 0

IV 0 4 0 8

10M

(OR)

10. (a). Explain Dominance principle in game theory? 4M (b). Find the optimal solution for the game using graphical method whose payoff matrix is

given below?

Player B

Pla

yer

-A 4 2 5 -6 6

7 -9 7 4 8

10M

1

[B17ME3101]

III B. Tech I Semester (R17) Regular Examinations OPERATIONS RESEARCH

MECHANICAL ENGINEERING





*****

UNIT-I

1. (a). Outline in detail the phases of Operations Research. 7M

(b). A mining company owns two different mines that produce a given kind of ore.

After the ore is crushed it is graded into 3 classes: high, medium, and low grade

ores. The mining company has contracted to provide a smelting company with

a minimum of 12 tonnes of high grade, 8 tonnes of medium grade and 24

tonnes of low grade ores/week. The company works for six days in a week and

it costs Rs.2000/ day to run the first mine and Rs.1500/ day to run the second

mine. In a day’s operation the first mine produces 6 tonnes of high grade, 2

tonnes of medium grade and 4 tonnes of low grade ore. The corresponding

figures for second mine are 2, 2, and 12. Obtain graphically the no. of days

each mine has to be operated in a week to meet the contract most economically.

7M

(OR)

2. Maximize: Z = - 4x1 - 3x2

Subject to:3x1 + x2 = 3

3x1 + 4x2 ≥ 4

x1 + x2 ≤ 6

and x1, x2 ≥ 0

14M

UNIT-II

3. Solve the following transportation problem. If the coefficients in the matrix

indicate profit, maximize the total profit.

To

From

Destination Availability

A B C

Source

1 8 6 5 150

2 6 6 6 150

3 10 8 4 150

4 8 6 10 150

Requirement 200 200 200 --

14M

(OR)

4. Solve the following TSP. There is no route between cities i and j if the value 14M

2

for Cij is not shown.

C12 = 4, C13 = 7, C14 = 3, C23 = 6, C24 = 3, C34 = 7, where Cij = Cji

UNIT-III

5. Find the sequence that minimizes the total elapsed time (T) required for

completing the following tasks. Each job is processed in the order ACB. Find

‘T’ also.

JOB 1 2 3 4 5 6 7

M /c -A 12 6 5 11 5 7 6

M /c -B 7 8 9 4 7 8 3

M /c -C 3 4 1 5 2 3 4

14M

(OR)

6. A manufacturing company is required to purchase 4,800 castings per year. The

requirement is assumed to be known and fixed. The castings are subject to

quantity discounts. The price schedule is as follows:

QuantityUnit cost (Rs.)

0 ≤ q1 < 500 150.00

500 ≤ q2 < 750 138.75

q3 ≥ 750 131.25

The ordering cost is Rs.750 per order and I = 20 percent per year. Find the

optimum purchase quantity per order.

UNIT-IV

7. (a). Define payoff matrix and explain the minimax criterion. 7M

(b). Solve the following game by graphical method.

B1 B2 B3 B4

A1 4 -2 3 -1

A2 - 1 2 0 1

A3 -2 1 -2 0

7M

(OR)

8. (a). What are the characteristics of queuing processes? Explain 7M

(b). Vehicles arrive at a filling station with one pump in a Poisson fashion with an

average of 15 vehicles /hour. The time taken for filling the tank is distributed

exponentially with an average of 2.4 minutes. Determine:

(a) The average number of units in the system.

(b) Probability that a vehicle arriving has to wait for servicing.

(c) Probability that the number of units in the system is 2.

(d) Average time spent by a vehicle in the system.

7M

UNIT-V

9. (a). Define critical path. What is the significance of float in network calculations ?

Explain the physical meaning of positive, negative and zero floats.

7M

(b). Find a small project of 12 activities, the details of which are given below.

Draw the network and find earliest occurrence time, latest occurrence time,

critical activities and project completion time.

7M

3

Activity Dependence Duration (Days)

A -- 9

B -- 4

C -- 7

D B, C 8

E A 7

F C 5

G E 10

H E 8

I D, F, H 6

J E 9

K I, J 10

L G 2

(OR)

10. Consider a PERT project for which the following activities and the time

estimates (optimistic, pessimistic and most likely times) have been obtained.

Draw the network and determine the:

(i) Expected project duration, its variance and standard deviation.

(ii) Probability that the project is completed (a) as per schedule (b) 2 days

earlier than expected.

Activity (a ,b, m)

1,2 5,8,6

1,4 1,4,3

1,5 2,5,4

2,3 4,6,5

2,5 7,10,8

2,6 8,13,9

3,4 5,10,9

3,6 3,5,4

4,6 4,10,8

4,7 5,8,6

5,6 9,15,10

5,7 4,8,6

6,7 3,5,8

14M

[B17ME3101]

4

[B17ME3102]

III B. Tech I Semester (R17) Regular Examinations IC ENGINES & GAS TURBINES






*****

UNIT-I

1. (a). What is the difference between air standard cycle approximation, fuel-air cycle

approximation and real cycle performance?

7M

(b). Draw the theoretical and actual valve timing diagram for a four stroke C.I.

engine and discuss in brief the deviations between the two.

7M

(OR)

2. (a). Distinguish between four stroke and two stroke engines. 7M

(b). An 8 cylinder, 4 stroke diesel engine has a power output of 368kW at 800rpm.

The fuel consumption is 0.238kg/kW-h. The pressure in the cylinder at the

beginning of injection is 35bar and the maximum cylinder pressure is 60bar.

The injection of fuel is expected to be at 210bar and the maximum pressure at

the injector is set to be at about 600bar. Calculate the orifice area required for

each injector if the injection takes place over 12°crank angles. Assume the

coefficient of discharge for the injector is 0.6, specific gravity of fuel is 0.85

and the atmospheric pressure is 1.013bar. Take the effective pressure difference

to be the average pressure difference during the injection period.

7M

UNIT-II

3. (a). Explain the effect of various engine variables on SI engine knock. 7M

(b). Describe the different phases of combustion phenomenon in SI engines with

suitable sketches.

7M

(OR)

4. (a). Discuss the effect of turbulence and compression ratio on the combustion

characteristics in S.I. Engine.

7M

(b). Explain the influence of operating parameters on knocking in S.I.Engine. 7M

UNIT-III

5. (a). What are different stages of combustion in CI Engine, and

Explain with p-θ diagram.

7M

(b). Explain the method of testing an I.C. Engine working diesel cycle 7M

(OR)

6. (a). Explain the various factors that influence the flame speed. 7M

(b). Write a short note on delay period in CI engines. 7M

UNIT-IV

7. (a). Derive the expression for maximum pressure ratio of multi stage reciprocating

compressor.

7M

(b). A single acting, single cylinder reciprocating air compressor is compressing

20kg/min. of air from 110kPa. 300C to 600kPa and delivers it to a receiver.

7M

5

Law of compression is pV1.25

= constant. Mechanical efficiency is 80%. Find

the power input to compressor, neglecting losses due to clearance, leakages and

cooling.

(OR)

8. (a). Explain the working principle of vane type rotary compressor along with a

diagram.

7M

(b). Air at 1.01325 bar and 288K enters an axial flow compressor stage with an

axial velocity of 150 m/s. There are no inlet guide vanes. The rotor stage has a

tip diameter of 60 cm and a hub diameter of 50 cm and rotates at 100 rps. The

air enters the rotor and leaves the stator in the axial direction with no change in

its velocity or radius. The air is turned through 30.20 as it passes through the

rotor. Assume a stage pressure of 1.2, Calculate power required and degree of

reaction.

7M

UNIT-V

9. (a). State the advantages and disadvantages of inter-cooling in gas turbine plant. 7M

(b). A gas turbine plant, that makes use of Brayton cycle in an application, takes in

air at 1.2 bar (abs) and 200C temperature and compresses it through a pressure

ratio of 8. It is then heated to 8500C in a combustion chamber and is expanded

back to a pressure of 1.2 bar (abs). Calculate

(i) The work done,

(ii) The cycle efficiency and

(iii)The work ratio. It is given that the isentropic efficiencies of the turbine and

the compressor are respectively, 80% and 70%

7M

(OR)

10. (a). What are the types of rocket engines. 7M

(b). A gas turbine unit has a pressure ratio of 6:1 and maximum cycle temperature

of 6100C. The isentropic efficiencies of the compressor and turbine are 0.80

and 0.82 respectively. Air enters the compressor at 150C at the rate of 16kg/s.

Calculate

i) work required for compression

ii) power developed by the turbine

iii) Net power output in kilowatts

Take Cp=1.005 kJ/kgk and γ=1.4 for the compression process, and

Cp=1.11 kJ/kgk and γ=1.333 for the expansion process.

7M

[B17ME3102]

6

[B17ME3103]

III B. Tech I Semester (R17) Regular Examinations KINEMATICS OF MACHINES






*****

UNIT-I

1. (a). Explain the types of kinematic pairs 7M

(b). Describe the any three inversions of a double slider crank chain with a neat sketch. 7M

(OR)

2. (a). Explain the Mobility of Mechanisms 7M

(b). Sketch and describe all the inversions of a single slider crank chain 7M

UNIT-II

3. (a). Locate all the instantaneous centers of the slider crank mechanism as shown in Fig.1 the

length of crank OB and connecting rod AB are 100mm and 400mm respectively if the

crank rotates clockwise with an angular velocity of 10 rad/s, find (i) velocity of slider

(ii)angular velocity of the connecting rod AB

Fig. 1

7M

(b). Fig.2 shows a mechanism in which OA=QC=100mm,AB=QB=300mm and CD=250mm

the crank OA rotates at 150 rpm in the clockwise direction Determine the (i) velocity of

slider at D(ii)Angular velocities of links QB and AB (iii)Rubbing velocity at the pin B

which is 40mm diameter

Fig. 2

7M

(OR)

4. (a). Explain the Coriolis component of acceleration

7M

7

(b). PQRS is a four bar chain as shown in Fig.3 with links PS fixed the length of the links

are PQ=62.5mm, QR=175mm,RS=112.5mm and PS=200MM.The crank PQ rotates at

10rad/s clockwise Draw the velocity and acceleration diagram when angle PQS=600

and Q and R lie on same side of PS Find the angular velocity and angular acceleration

of links QR and RS

Fig. 3

7M

UNIT-III

5. (a). Explain the Scott Russel and modified Scott Russel mechanism 7M

(b). Sketch a Paucellier mechanism. Show that it can be used to trace a straight line 7M

(OR)

6. (a). Explain the Conditions for correct steering 7M

(b). Derive an Expression for the ratio of shaft velocities for the Hooke’s joint (ω / ω1) 7M

UNIT-IV

7. (a). What is a cam? classify the types of cams 5M

(b). Design a cam for operating the exhaust valve of an oil engine. It is required

to give equal uniform acceleration and retardation during opening and closing of the

valve each of which corresponds to 60° of cam rotation. The valve must remain in the

fully open position for20° of cam rotation.

The lift of the valve is 37.5 mm and the least radius of the cam is 40 mm. The follower is

provided with a roller of radius 20 mm and its line of stroke passes through the axis of

the cam.

9M

(OR)

8. (a). Explain the types of followers 5M

(b). A cam is to be designed for a knife edge follower with the following data :

1. Cam lift = 40 mm during 90° of cam rotation with simple harmonic motion.

2. Dwell for the next 30°.

3. During the next 60° of cam rotation, the follower returns to its original position with

simple harmonic motion.

4. Dwell during the remaining 180°.

Draw the profile of the cam when

(a) the line of stroke of the follower passes through the axis of the cam shaft, and The

radius of the base circle of the cam is 40 mm. Determine the maximum velocity and

acceleration of the follower during its ascent and descent, if the cam rotates at 240 r.p.m.

9M

8

UNIT-V

9. (a). A pair of involute spur gears with 160 pressure angles and pitch of module 6mm is in

mesh. the no of teeth on pinion is 16 and its rotational speed is 240r.p.m. when the gear

ratio is 1.75,find in order that the interference is just avoided; (i)the addendum on pinion

and gear wheel(ii)the length of path of contact

7M

(b). What is interference? Derive an expression for the minimum number of teeth required on

the pinion in order to avoid interference in involute gear teeth when it meshes with

wheel.

7M

(OR)

10. (a). An epicyclic gear consist of a pinion, a wheel of 40 teeth and an annulus with84 teeth

concentric with the wheel .The pinion gears with the wheel and annulus. The arm that

carries the axis of the pinion rotates at 100rpm.If the annulus is fixed, find the speed of

the wheel.

7M

(b). An epicyclic gear train consist of a sun wheel S , a stationary internal gear E and 3

identical planet wheels P carried on a star -shaped planet carrier C. The size of different

toothed wheels are such that the planet C rotates at 1/5 th

of the speed of the sun wheel S.

The minimum Number of teeth on any wheel is 16.The driving torque on the sun wheel

is 100N-m.Determine (i) Number of teeth on different wheels of the train

7M

[B17ME3103]

9

[B17ME3104]

III B. Tech I Semester (R17) Regular Examinations DESIGN OF MACHINE ELEMENTS






*****

UNIT-I

1. (a). Write a short note on maximum shear stress theory and maximum strain energy

theory.

6M

(b). A mild steel shaft of 50 mm diameter is subjected to a bending moment of 2000

N-m and a torque T. If the yield point of the steel in tension is 200 MPa, find

the maximum value of this torque without causing yielding of the shaft

according to (a) maximum principal stress, (b) maximum shear stress and (c)

maximum distortion strain energy theory of yielding.

8M

(OR)

2. It is required to design a knuckle joint to connect two circular rods subjected to an

axial tensile force of 50 kN. The rods are co-axial and a small amount of angular

movement between their axes is permissible. The material for two rods and pin may

be selected as plain carbon steel of Grade 30C8 (Syt = 400 N/mm2). The factor of

safety for all parts may be assumed as 5. Design the joint and specify the dimensions

of its components.

14M

UNIT-II

3. (a). What are the Goodman line, Soderberg line and Gerber curve? 6M

(b). A solid circular shaft, 15 mm in diameter is subjected to torsional shear stress,

which varies from 0 to 35 N/mm2 and at the same time, is subjected to an axial

stress that varies from –15 to +30 N/mm2. The frequency of variation of these

stresses is equal to the shaft speed. The shaft is made of steel FeE 400 (Sut =

540 N/mm2 and Syt = 400 N/mm

2) and the corrected endurance limit of the

shaft is 200 N/mm2. Determine the factor of safety.

8M

(OR)

4. (a). What is stress concentration factor and what are the causes of stress

concentration?

7M

(b). A machine component is subjected to two-dimensional stresses. The tensile

stress in the X direction varies from 40 to 100 N/mm2 while the tensile stress in

the Y direction varies from 10 to 80 N/mm2. The frequency of variation of

these stresses is equal. The corrected endurance limit of the component is 270

N/mm2. The ultimate tensile strength of the material of the component is 660

N/mm2. Determine the factor of safety used by the designer.

7M

UNIT-III

5. A steel plate subjected to a force of 3 kN and fixed to a vertical channel by means of

four identical bolts is shown in Figure 1. The bolts are made of plain carbon steel

45C8 (Syt = 380 N/mm2) and the factor of safety is 2. Determine the diameter of the

shank.

14M

10

Figure 1

(OR)

6. A welded connection of steel plates is shown in Figure 2. It is subjected to an

eccentric force of 50 kN. Determine the size of the weld, if the permissible shear

stress in the weld is not to exceed 70 N/mm2.

Figure 2

14M

UNIT-IV

7. A shaft is supported by two bearings placed 1 m apart. A 600 mm diameter pulley is

mounted at a distance of 300 mm to the right of left hand bearing and this drives a

pulley directly below it with the help of belt having maximum tension of 2.25 kN.

Another pulley 400 mm diameter is placed 200 mm to the left of right hand bearing

and is driven with the help of electric motor and belt, which is placed horizontally to

the right. The angle of contact for both the pulleys is 180° and μ = 0.24. Determine

the suitable diameter for a solid shaft, allowing working stress of 63 MPa in tension

and 42 MPa in shear for the material of shaft. Assume that the torque on one pulley is

equal to that on the other pulley.

14M

(OR)

8. Design a muff coupling to connect two shafts transmitting 40 kW at 120 r.p.m. The

permissible shear and crushing stress for the shaft and key material (mild steel) are

30 MPa and 80 MPa respectively. The material of muff is cast iron with permissible

shear stress of 15 MPa. Assume that the maximum torque transmitted is 25 per cent

greater than the mean torque.

14M

UNIT-V

9. (a). What is surge in spring? 4M

(b). A helical compression spring is required to deflect through approximately 25

mm when the external force acting on it varies from 500 to 1000 N. The spring

index is 8. The spring has square and ground ends. There should be a gap of 2

mm between adjacent coils when the spring is subjected to the maximum force

of 1000 N. The spring is made of cold-drawn steel wire with ultimate tensile

strength of 1000 N/mm2 and permissible shear stress in the spring wire should

10M

11

be 50% of the ultimate tensile strength (G = 81370 N/mm2). Design the spring

and calculate: (a) wire diameter; (b) mean coil diameter; (c) number of active

coils; (d) total number of coils; (e) solid length; (f) free length; (g) required

spring rate; and (h) actual spring rate.

(OR)

10. (a). Write a short note on nipping in springs and shot peening 4M

(b). It is required to design a helical compression spring subjected to a force of 500

N. The deflection of the spring corresponding to this force is approximately 20

mm. The spring index should be 6. The spring is made of cold-drawn steel wire

with ultimate tensile strength of 1000 N/mm2. The permissible shear stress for

the spring wire can be taken as 50% of the ultimate tensile strength (G = 81370

N/mm2). Design the spring and calculate: (a) wire diameter; (b) mean coil

diameter; (c) number of active coils; (d) total number of coils; (e) free length of

the spring; and (f) pitch of the coils. Assume a gap of 1 mm between adjacent

coils under maximum load condition. The spring has square and ground ends.

10M

[B17ME3104]

12

[B17ME3105]

III B. Tech I Semester (R17) Regular Examinations FLUID MACHINES & SYSTEMS






*****

UNIT-I

1. (a). Derive the expression for the force exerted by the jet on stationary inclined flat

plate.

7M

(b). A 75 mm diameter jet having a velocity of 30 m/s strikes a flat plate, the

normal of which is inclined at 45º to the axis of the jet. Find the normal

pressure on the plate (i) when the plate is stationary, (ii) when the plate is

moving with a velocity of 15 m/s and away from the jet. Also determine the

power and the efficiency of the jet when the plate is moving.

7M

(OR)

2. (a). Prove that the workdone per second on a series of moving curved vanes by b a

jet of water striking at one of the tips of the vane is given by workdone /sec

=ρav1[Vw1±Vw2]×u

7M

(b). A Jet of water of diameter 75 mm strikes a curved plate at its centre with a

velocity of 20 m/s. The curved plate is moving with a velocity of 8 m/s in the

direction of the jet. The jet is deflected through an angle of 1650. Assuming the

plate smooth find: (i) Force exerted on the plate in the direction of jet;

(ii) power of the jet; (iii)Efficiency of the jet

7M

UNIT-II

3. (a). What is governing of turbines? Why it is necessary? What is the effect, if the

turbines are not governed?

7M

(b). The hub diameter of a Kaplan turbine, working under a head of 12 m, is 0.35

times the diameter of the runner. The turbine is running at 100 rpm. If the vane

angle of the extreme edge of the runner at outlet is 15º, and the flow ratio 0.6,

find: (i) diameter of the runner & (ii) discharge through the runner.

The velocity of whirl at outlet is given as zero.

7M

(OR)

4. (a). Explain characteristic curves of hydraulic turbines. 7M

(b). A turbine is to operate under a head of 25 m at 200 rpm. The discharge is

9m3/sec. If the efficiency is 90%, determine the performance of the turbine

under a head of 20 m.

7M

UNIT-III

5. (a). Define cavitation. What are the effects of cavitation in hydraulic machines? 7M

(b). The internal and external diameters of the impeller of a centrifugal pump of

200 mm and 400mm respectively. The pump is running at 1200 rpm. The vane

angles of the impeller at inlet and outlet are 20º and 30º respectively. The water

enters the impeller radially and velocity of flow is constant. Determine the

work done by the impeller per kg of water.

7M

(OR)

13

6. (a). Derive an expression for minimum speed of starting a centrifugal pump. 7M

(b). Two geometrically similar pumps are running at same speed of 1000 r.p.m. one

pump has an impeller diameter of 0.30 m and lifts water at the rate of 20 lit/sec

against a head of 15 m. determine the head and impeller diameter of the other

pump to deliver half the discharge

7M

UNIT-IV

7. (a). Explain the working of single acting reciprocating pump with a neat sketch. 7M

(b). A single acting reciprocating pump has piston diameter 12.5 cm, and stroke

length 30 cm. The center of the pump is 4 m above the water level in the sump.

The diameter and length of suction pipe are 7.5 cm and 7 m respectively. The

separation occurs if the absolute pressure head in the cylinder during suction

stroke falls below 2.5 m of water. Calculate the maximum speed at which the

pump can run without separation. Take atmospheric pressure head as 10.3m of

water.

7M

(OR)

8. (a). Difference between Centrifugal pumps and Reciprocating pumps 7M

(b). A cylinder of single acting reciprocating pump is 150 mm in diameter and

300mmin stroke. The pump is running at 30 rpm. and discharge water to a

height of 12 m. The diameter and length of the delivery pipe are 0.1m and 30 m

respectively. If a large air vessel is fitted in the delivery pipe at a distance of 2

m from the centre of the pump, find the pressure head in the cylinder (i) At the

beginning of the delivery stroke; ( ii) In the middle of the delivery stroke

Take f.=0.01.

7M

UNIT-V

9. (a). Write a short note on hydraulic press. 7M

(b). Explain the working of a hydraulic torque converter unit. 7M

(OR)

10. (a). Explain with a neat sketch the working of air lift pump. Mention its advantages. 7M

(b). Explain with a neat sketch of differential hydraulic accumulator. 7M

[B17ME3105]

14

[B17ME3106]

III B. Tech I Semester (R17) Regular Examinations INDUSTRIAL MEASUREMENTS & METROLOGY






*****

UNIT-I

1. (a). Explain the static performance characteristics of an instrument. 7M

(b). Illustrate the construction and working of a Hydraulic dynamometer. 7M

(OR)

2. (a). Define accuracy and precision, list out the factors that effect them. 7M

(b). Explain the construction and working of a Mc-leod gauge with a neat sketch. 7M

UNIT-II

3. (a). Illustrate the construction and working of a temperature sensor. 7M

(b). Discuss in detail about various properties of optical fibers. 7M

(OR)

4. (a). Sketch and explain seismographic instrument for measuring vibrations. 7M

(b). Illustrate the construction and working of an optic sensor configuration. 7M

UNIT-III

5. (a). Illustrate the measurement of major diameter of a screw thread. 7M

(b). Define and List out the advantages of Interchangeability. 7M

(OR)

6. (a). Illustrate the measurement of tooth thickness of a spur gear. 7M

(b). Explain the construction, working and applications of rolling gear tester. 7M

UNIT-IV

7. (a). Illustrate the construction and working of an Autocollimator. 7M

(b). Explain pneumatic comparator with a neat sketch. 7M

(OR)

8. (a). Describe the working principle of Optical projector with a neat sketch. 7M

(b). State and explain any one technique for flatness measurement 7M

UNIT-V

9. Ilustrate the alignment tests performed on radial drilling machine 14M

(OR)

10. (a). Write a brief note on various parameters effecting surface texture. 7M

(b). Describe any method to measure surface texture? 7M

[B17ME3106]

15

[B17ME3201]

III B. Tech II Semester (R17) Regular Examinations INDUSTRIAL ENGINEERING & MANAGEMENT






*****

UNIT-I

1. (a). Elucidate Henry Fayol’s principles of management in brief. 7M

(b). Define committee and comment on different types of committees. 7M

(OR)

2. (a). Summarize different theories of motivation. 7M

(b). Establish the causes of Industrial disputes. 7M

UNIT-II

3. (a). Elaborate different types of productions. 7M

(b). Encapsulate the process of Product design and development. 7M

(OR)

4. (a). Given the weight (x) Vs growth (y) data, find the regression line for predicting

the growth and calculate the growth for a weight value of 50.

(x, y) = (12, 5.5); (18, 5.9); (24, 6.5); (30, 7.4); (36, 8.2); (42, 8.9); (48,

8.6)

7M

(b). Illuminate on progress control. 7M

UNIT-III

5. (a). Present a brief note on the factors affecting plant location. 7M

(b). What is your idea about assembly line balancing? With the help of Travel chart

technique design the best possible layout, if the number of movements between

different departments (A; B; C; D; E; F) in the present layout are as follows: A

to B are 15; B to C, 25; A to F, 20; C to D, 16; D to C, 8; D to F, 41; E to F, 12

and F to E, 15.

7M

(OR)

6. (a). Why is it important to study about material handling? Explain the concept of

Unit load, stating the importance of Palletization and Containerization.

7M

(b). Present a note on some important material handling equipment along with their

industrial applications.

7M

UNIT-IV

7. (a). Clarify different types of process charts. 7M

(b). Explicate the principles of motion economy in brief. 7M

(OR)

8. (a). What is S.I.M.O Chart? Expound its constructional procedure. 7M

(b). Estimate the standard time in a work sampling study conducted for 100 years in

a machine shop. The total number of observations recorded were 2500. No

working activity could be noticed for 400 observations. The ratio between

manual and machine elements was 2:1. Average rating factor was estimated as

7M

16

1.15 and the total number of articles produced during the study period were

6000. Rest and personal allowances may be taken as 12% of the normal time.

UNIT-V

9. (a). Describe the purchasing function and what are the objectives of purchasing

department?

7M

(b). Outline the functions of Stores Department and the duties of the Store keeper. 7M

(OR)

10. (a). State the characteristics of double sampling plan along with its procedure. 7M

(b). Calculate the control limits for plotting the fraction defective in ten samples of

size 300. The number of defective pieces found in each sample is (25, 41, 37,

48, 15, 20, 26, 30, 40, and 28).

7M

[B17ME3201]

17

[B17ME3202]

III B. Tech II Semester (R17) Regular Examinations CONTROL SYSTEMS






*****

UNIT-I

1. (a). Differentiate between open-loop and closed-loop systems. List the advantages and

disadvantages of both systems.

4M

(b). Find the transfer function of the given block diagram by using block diagram

reduction principles.

10M

(OR)

2. (a). What are the components of feedback control system and explain them in detail. 4M

(b). Using Masons gain formula find the overall transfer function of the given signal

flow graph.

10M

UNIT-II

3. (a). Write the differential equations governing the given mechanical system and obtain

the transfer function of the system.

14M

(OR)

4. Write the differential equations governing mechanical system shown in the figure below

and draw its force-voltage electrical analogous circuit.

14M

18

UNIT-III

5. (a). Define state transition matrix and mention its properties. 4M

(b). A linear system described by the state equation

𝑋 𝑡 = 𝐴𝑋 𝑡 + 𝐵𝑢(𝑡) where

𝐴 = 0 1

−1 0

Find state transition matrix.

10M

(OR)

6. (a). Define state of a system and state variables. 4M

(b). Determine the transfer matrix for the system given below.

xx

xx

x

x

tc

tu

2

1

2

1

2

1

01

12)(

)(11

11

52

30

10M

UNIT-IV

7. (a). What is order of a system? 4M

(b). Discuss the time response analysis of first order system when subjected to unit step

and ramp input.

10M

(OR)

8. (a). Explain transient response specifications. 4M

(b). For unity feedback system having open loop transfer function as given below

determine

(i) type of system

(ii) Error constants Kp, Kv,and Ka.

(iii) Steady state error for parabolic input.

𝐺 𝑠 =𝐾 𝑠 + 2

𝑠2 𝑠2 + 7𝑠 + 12

10M

UNIT-V

9. The following are characteristic polynomial of systems. Determine the location of root on

s-plane and hence the stability of the system.

(a) S7+5S

6+9S

5+9S

4+4S

3+20S

2+36S+36=0

(b) S5+4S

4+8S

3+8S

2+7S+4=0

14M

(OR)

10. The open loop transfer function of a system is given below. Determine the stability of

closed loop system. If the closed loop system is not stable then find the number of closed-

loop poles lying on the right half of s-plane.

14M

19

𝐺 𝑠 𝐻 𝑠 = 1 + 4𝑠

𝑠2 1 + 𝑠 (1 + 2𝑠)

[B17ME3202]

20

[B17ME3203]

III B. Tech II Semester (R17) Regular Examinations DYNAMICS OF MACHINES






*****

UNIT-I

1. (a). Explain in what way the gyroscopic couple effects the motion of an aircraft while

taking a turn.

7M

(b). An aeroplane makes a complete half circle radius 100m towards left when flying

at 210 km/h. The rotary engine and the plane is of 50 kg mass having a radius of

gyration of 300 mm. The engine rotates at 2400 rpm clockwise as seen from the

rear. Find the gyroscopic couple on the aircraft and its effect on the plane.

7M

(OR)

2. (a). A rear engine automobile is travelling along a track of 100 metres mean radius.

Each of the four road wheels has a moment of inertia of 2.5 kg-m2 and an

effective diameter of 0.6 m. The rotating parts of the engine have a moment of

inertia of 1.2 kg-m2. The engine axis is parallel to the rear axle and the

crankshaft rotates in the same sense as the road wheels. The ratio of engine speed

to back axle speed is 3 : 1. The automobile has a mass of 1600 kg and has its

centre of gravity 0.5 m above road level. The width of the track of the vehicle is

1.5 m. Determine the limiting speed of the vehicle around the curve for all four

wheels to maintain contact with the road surface. Assume that the road surface is

not cambered and centre of gravity of the automobile lies centrally with respect

to the four wheels.

14M

UNIT-II

3. (a). Explain primary direct and reverse cranks . 5M

(b). A, B, C and D are four masses carried by a rotating shaft at radii 100,125, 200

and 150 mm respectively. The planes in which the masses revolve are spaced 600

mm apart and the mass of B, C and D are 10 kg, 5 kg, and 4 kg respectively. Find

the required mass A and the relative angular settings of the four masses so that

the shaft shall be in complete balance.

9M

(OR)

4. (a). Effect of partial balancing of reciprocating parts of two cylinder locomotives(

various tractive force and swaying couple)

5M

(b). The following data represents 4 cylinder vertical inline engine speed 310rpm

length of crank 25cm, length of connecting rod 100cm intermediate cranks are at

right angles to each other and reciprocating masses attached to these cranks are

5000n each distance between intermediate cranks are 50cm and are placed

symmetrically between extreme cranks is 200cm.If the engine is balanced

completely for primary forces and couples Determine orientation of outer cranks

and reciprocating masses attached to it determine unbalanced secondary force or

couple if any

9M

UNIT-III

21

5. (a). Define and derive the natural frequency of free longitudinal vibrations of single

degree freedom system. Using Energy method and Rayleigh's method

7M

(b). A shaft 50 mm diameter and 3 metres long is simply supported at the ends

and carries three loads of 1000 N, 1500 N and 750 N at 1 m, 2 m and 2.5 m from

the left support. The Young's modulus for shaft material is 200 GN/m2. Find the

frequency of transverse vibration

7M

(OR)

6. (a). What do you mean by whirling of shaft? Derive the expression for amplitude of

vibration of shaft supporting a disc at the mid span

7M

(b). Explain the torsional vibrations of two rotor system 7M

UNIT-IV

7. (a). An electric motor driven power screw moves a nut in a horizontal plane against a

force of 75 kN at a speed of 300 mm/min. The screw has a single square thread

of 6 mm pitch on a major diameter of 40 mm. The coefficient of friction at the

screw threads is 0.1. Estimate power of the motor.

7M

(b). Define pivot and derive the expression for flat pivot bearing with (i) Uniform

pressure & (ii) Uniform wear.

7M

(OR)

8. (a). A single plate clutch is required to transmit 8KW at 1000 rpm. The axial pressure

is limited to 70 KN/m2. The mean radius of the plate is 4.5 times the radial width

of the friction surface. If both the sides of the plate are effective and the

coefficient of friction is 0.25, find the (i) Inner and Outer radii of the plate and

the mean radius & (ii) Width of the friction lining

7M

(b). The turning moment diagram of a petrol engine is drawn to a vertical scale of

1mm=500N-m on a horizontal scale of 1mm=80

the turning moment diagram will

be for every half revolution the area above and below the mean torque lines are

260, 580, 80,380,870 and 250mm2 respectively. Mass of the flywheel is 55kg

and radius of gyration 2.1m engine rotates at a mean speed of 1600rpm.

Determine the coefficient of fluctuation of speed.

7M

UNIT-V

9. (a). Each arm of a porter governor is 200mm long and is pivoted on the axis of

rotation. The radii of rotation of the balls at the minimum and the maximum

speeds are 120mm and 160mm. The mass of the sleeve is 24kg and each ball is

4kg. Find the range of speed of the governor. Also find the range of speed if the

friction at the sleeve is 18N.

14M

(OR)

10. (a). Define sensitiveness, isochronism and hunting of a governor 6M

(b). A hartnell governor having a central sleeve spring and two right angled bell

crank levers moves between 290r.p.m and 310 r.p.m for a sleeve lift of 15mm.

The sleeve arms and the ball arms are 80mmand 120mm respectively The levers

are pivoted at 120mm from the governor axis and mass of each ball is 2.5kg

.The ball arms are parallel to the governor axis at the lowest equilibrium speed

.Determine (i) load on the spring at the lowest and the highest equilibrium speeds

and (ii)stiffness of the spring

8M

[B17ME3203]

22

[B17ME3204]

III B. Tech II Semester (R17) Regular Examinations MACHINE DESIGN






*****

UNIT I

1. A pair of 200

full depth spur gear transmits 30kw at speed of 250rpm of the pinion.

The velocity ratio is 1:4. The pinion is made of steel having allowable stress of

100Mpa, while the gear is made of C.I. having a static stress of 55Mpa. The pinion

has 20 teeth and face width is 12.5 times the module. Find module, face width, pitch

diameters, also check for wear load

14M

(OR)

2 A pair of helical gears is to transmit 15 kW. The teeth are 20° stub in diametral plane

and have a helix angle of 45°. The pinion runs at 10000 r.p.m. and has 80 mm pitch

diameter. The gear has 320 mm pitch diameter. If the gears are made of cast steel

having allowable static strength of 100 MPa; determine a suitable module and face

width from static strength considerations and check the gears for wear, given σes =

618 MPa

14M

UNIT-II

3 A four stroke diesel engine has the following specifications :

Brake power = 5 kW; Speed = 1200 r.p.m.; Indicated mean effective pressure = 0.35

N/mm2 ;Mechanical efficiency = 80 %. Determine: (i) bore and length of the cylinder;

(ii) thickness of the cylinder head; and (iii) size of studs for the cylinder head.

14M

(OR)

4 Design a cast iron piston for a single acting four stroke engine for the following data:

Cylinder bore = 100 mm ; Stroke = 125 mm ; Maximum gas pressure = 5 N/mm2,

Indicated mean effective pressure = 0.75 N/mm2 ; Mechanical efficiency = 80% , Fuel

consumption = 0.15 kg per brake power per hour ; Higher calorific value of fuel = 42

× 103 kJ/kg ; Speed = 2000 r.p.m. Any other data required for the design may be

assumed

14M

UNIT-III

5. A cone clutch is to be designed to transmit 7.5 KW at 900 rpm. The cone has an face

angle of 120

The width of the face is half of the mean radius and normal pressure

between the contact surfaces is not to exceed 0.09 N/mm2

Assuming uniform wear

condition and coefficient of friction as 0.2. Find the dimensions of the clutch and axial

force necessary to engage the clutch..

14M

23

(OR) 6. With the help of neat sketch explain the working of internal expanding shoe brake 14M

UNIT-V

7. Design a journal bearing to resist a load of 8KN. The oil used has a viscosity of

0.0087 kg/m-sec at operating temperature of 800c, shaft speed is 720rpm. Bearing

diametral clearance is 0.25mm and ambient temperature is 300c. if the heat radiating

capacity of the bearing is 150 w/m2/0c, determine whether artificial cooling is

necessary.

14M

(OR)

8. Design a self-aligning ball bearing for a radial load of 7000 N and a thrust

load of 2100 N. The desired life of the bearing is 160 millions of revolutions at 300

r.p.m. Assume uniform and steady load,

14M

UNIT-V

9. Select a wire rope for a vertical mine hoist to lift a load of 50kN from a depth of

250meters. A rope speed of 480 meters/min is to be attained in 18seconds.

14M

(OR)

10. Design a chain drive to actuate a compressor from 15 kW electric motor

running at 1000 r.p.m., the compressor speed being 350 r.p.m. The minimum centre

distance is 500 mm. The compressor operates 16 hours per day. The chain tension

may be adjusted by shifting the motor on slides.

14M

[B17ME3204]

24

[B17BS3207]

III B. Tech II Semester (R17) Regular Examinations ENTREPRENEURSHIP (Open Elective)






*****

UNIT-I

1. (a). Explain about growth of entrepreneurship in India. 7M

(b). Discuss Government of India policy measures to promote Women

entrepreneurship in India.

7M

(OR)

2. (a). Explain the measures taken by Government of India for developing rural

entrepreneurship in the country.

7M

(b). Explain the role of NGOs in developing rural entrepreneurship. 7M

UNIT-II

3. (a). How do you design an appropriate training programme for new and existing

entrepreneurs? Suggest suitable training institutions that can undertake the

designed training programme.

7M

(b). Write brief notes creativity and entrepreneurship. 7M

(OR)

4. (a). Briefly explain mobility of entrepreneur. 7M

(b). Outline in nutshell various sources and methods of ideas generation training

programmes.

7M

UNIT-III

5. Explain about the contents and formulation of project report. 14M

(OR)

6. Explain about the concept and methods of project evaluation 14M

UNIT-IV

7. Explain the features, advantages and disadvantages of Proprietorship, partnership,

companies and cooperatives.

7M

(OR)

8. Discuss the support provided by National Small Industries Corporation Ltd (NSIC)

and Small Industries Development Organization (SIDO) to small scale industries in

the country.

7M

UNIT-V

9. (a). Briefly elucidate role of commercial banks in promoting micro and small

entrepreneurs with examples.

7M

(b). Outline role of educational institutions in promoting entrepreneurship 7M

(OR)

10. (a). What is meant by prefeasibility study? 7M

(b). Discuss about the feasibility report preparation and evaluation criteria for

business plan.

7M

[B17BS3207]

25

[B17CS3213]

III B. Tech II Semester (R17) Regular Examinations DATABASE MANAGEMENT SYSTEM

(Open Elective)

(Common to CE & ME)





*****

UNIT-I

1. (a). Who are the different database users? Explain their interfaces to

databasemanagement system.

7M

(b). Describe the client server architecture for the database with necessary diagram. 7M

(OR)

2. (a). Briefly explain the Database Design process. 7M

(b). Define these terms: Entity, Entity set, Attribute, Key. 7M

UNIT-II

3. (a). What is NULL? What is its importance? How are these values handled in

relational model?

7M

(b). Consider the following database schema to write queries in SQL

Sailor(sid, sname, age, rating)

Boats(bid, bname, bcolor)

Reserves(sid, bid, day)

i) Find the sailors who have reserved a red boat

ii) Find the names of the sailors who have reserved at least two boats

iii) Find the colors of the boats reserved by ‘Mohan’.

7M

(OR)

4. (a). Explain following in brief

i. Triggers

ii. Assertions

7M

(b). Define the terms: Entity Set, Role, Relationship set, Aggregation. 7M

UNIT-III

5. (a). How to compute closure of set of functional dependency? Explain with a

suitable example schema

7M

(b). What is multi valued dependency? State and explain fourth normal form based

on this concept

7M

(OR)

6. (a). What is the need for schema refinement? Explain with examples. 7M

(b). Describe the properties of decomposition 7M

UNIT-IV

7. (a). Define transaction and explain desirable properties of transactions. 7M

(b). What is a trigger? How to create it? Discuss various types of triggers. 7M

(OR)

8. (a). Explain the transaction support in SQL 7M

(b). Does two phase locking protocol ensure serializability? Justify your answer 7M

26

UNIT-V

9. (a). Discuss the concept of cylinder and its benefit in disk organization 7M

(b). Is B+ tree, a multi level indexing? How does it differ from B-tree? 7M

(OR)

10. (a). Explain page formats with examples. 7M

(b). Discuss bulk loading of B+ tree with illustrations 7M

[B17CS3213]

27

[B17CE3207]

III B. Tech II Semester (R17) Regular Examinations WASTE WATER MANAGEMENT(Open Elective)

(Common to CE & ME)





*****

UNIT-I

1. (a). Explain the physical and chemical characteristics of industrial wastes. 7M

(b). Explain the environmental impacts due to improper disposal of industrial

wastes.

7M

(OR)

2. (a). List the various sources of water required for industries. Explain the quality of

water required for industrial processing

7M

(b). What is meant by effluent standards? Explain the standards as per BIS for safe

disposal.

7M

UNIT-II

3. (a). Explain the process of heavy metal removal employed in industries. 7M

(b). Explain reed bed technology in detail. 7M

(OR)

4. (a). Explain aerobic and anaerobic biological treatment of waste. 7M

(b). Explain about equalization and neutralization processes in detail. 7M

UNIT-III

5. (a). Explain the waste reduction by ion exchange process. 7M

(b). List various membrane technologies used for waste minimization. Explain any

one of them in detail.

7M

(OR)

6. (a). Explain the ozonation technique for waste minimization. 7M

(b). Explain the various characteristics of industrial waste water effluent. 7M

UNIT-IV

7. (a). Explain how sludge is digested by aerobic and anaerobic digesters. 7M

(b). Explain different methods of industrial sludge disposal. 7M

(OR)

8. (a). Explain the effluent disposal methods in detail. Enumerate the advantages and

disadvantages of the methods employed.

7M

(b). Explain the characteristics of industrial effluent and sludge. What steps are

necessary for their safe treatment and disposal.

7M

UNIT-V

9. (a). Explain the treatment process adopted in tannery industries. 7M

(b). Explain the treatment process used in textile industries with a neat sketch. 7M

(OR)

10. (a). Explain briefly the characteristics and treatment of cane sugar mill effluent

with the aid of a flow chart

7M

(b). Write briefly about the regulatory liabilities in industrial waste water treatment. 7M

[B17CE3207]

28

[B17CS3210]

III B. Tech II Semester (R17) Regular Examinations COMPUTER GRAPHICS (Open Elective)






*****

UNIT-I

1. (a). What is the role of digital to analog converter (DAC)? Where is it placed in

video display devices?

7M

(b). Explain the mechanism of increasing the colors/gray levels without increasing

the frame buffer memory. 7M

(OR)

2. (a). Explain at least five applications of computer graphics. 7M

(b). Explain the construction and working of CRT. 7M

UNIT-II

3. (a). Explain at least five attributes for output primitives. 7M

(b). Discuss about the reflections required for generating the complete circle using

the first octant of the origin centered circle. 7M

(OR)

4. (a). Draw the flow chart for Bresenham’s incremental circle algorithm in the first

octant. 7M

(b). Compare and contrast between DDA and bresenhams line algorithm. 7M

UNIT-III

5. (a). Discuss about the basic transformations on object. 7M

(b). Discuss about reflection & shearing 7M

(OR)

6. (a). Describe the steps involved for cohen-sutherland outcode line clipping

algorithm with an example. 7M

(b). Explain boundary filling algorithm using 8-pixel method in detail. 7M

UNIT-IV

7. (a). Distinguish between isometric, parallel projections. 7M

(b). Explain with a neat sketch, how the view plane is defined with respect to centre

of projections and the object defined is 3-D space 7M

(OR)

8. Derive transformation matrix for rotation of an object about an arbitrary axis. 14M

UNIT-V

9. (a). Explain various 3D object representation mechanisms 7M

(b). Explain the methods to view a 3d object. 7M

(OR)

10. (a). Explain about B-spline curves 7M

(b). Explain about Beizer curves 7M

[B17CS3210]

29

[B17ME3205]

III B. Tech II Semester (R17) Regular Examinations INDUSTRIAL ROBOTICS (Open Elective)






*****

UNIT-I

1. (a). How do you specify a robot? Is robotics automation? Discuss the different

classification systems of robots.

7M

(b). Define the terms ‘Robot’ and ‘Robotics’. Discuss the role of robots in

engineering.

7M

(OR)

2. (a). What are the different actuators used in the robots? Describe them briefly 7M

(b). Discuss the different feedback components used in robots. 7M

UNIT-II

3. Explain briefly the two stage control of manipulator using interpolation of end

effectors position method.

14M

(OR)

4. Explain in detail about forward and inverse transformations used in robotics 14M

UNIT-III

5. (a). Explain the following for smoothing of image: i) Neighborhood averaging ii)

Image averaging method

7M

(b). Discuss the current applications of machine vision system. 7M

(OR)

6. (a). Explain the working of magnet grippers used for robots. 7M

(b). Discuss the applications and working principle of the following sensors. i)

Range sensors ii) Acoustic sensors iii) Tactile sensors.

7M

UNIT-IV

7. Discuss the textural robot language structure with the help of block diagram. 14M

(OR)

8. Discuss the relative merits and demerits of different textual robot languages. 14M

UNIT-V

9. What are the various robot cell layouts? Describe any two with the help of neat

sketches.

14M

(OR)

10. What are the various fields in which the robots used? Discuss them in detail. 14M

[B17ME3205]

30

[B17ME3206]

III B. Tech II Semester (R17) Regular Examinations GREEN ENGINEERING SYSTEMS (Open Elective)






*****

UNIT-I

1. (a). Explain any two instruments used for measuring solar radiation with neat sketches.

7M

(b). Give the significance of solar energy. 7M

(OR)

2. (a). What are the advantages and disadvantages of concentrating collectors over the

flat plate collectors?

7M

(b). Enumerate the different types of concentrating type collectors 7M

UNIT-II

3. (a). Describe the layout and working of a continuous solar cooling system.

7M

(b). Discuss the advantages and disadvantages of horizontal and vertical axis

windmill.

7M

(OR)

4. (a). Classify the methods of solar energy storage. 7M

(b). Explain the working of OTEC plant with the help of neat schematic layout? 7M

UNIT-III

5. (a). What is a solar pond? Explain the zonation of solar pond with neat sketch. 7M

(b). How are wind energy systems classified? Explain. 7M

(OR)

6. (a). How are Bio mass plants classified? Explain them briefly. 7M

(b). Discuss about the modifications required to IC engine for using bio fuels? 7M

UNIT-IV

7. (a). Explain the role of selection of fuels in environmental friendly environment 7M

(b). Discuss about variable voltage variable frequency drives 7M

(OR)

8. (a). Explain the energy efficient lightning control methods. 7M

(b). Explain why centrifugal machines offers the greatest savings when used with

Variable Speed Drives

7M

UNIT-V

9. (a). What is zero waste manufacturing? Explain. 7M

(b). List the benefits of green manufacturing systems over current systems 7M

31

(OR)

10. (a). Explain the classification of fuel cells based on type of electrolyte. 7M

(b). Explain the role of environmental sustainable company in energy management 7M

[B17ME3206]

32

[B17ME3207]

III B. Tech II Semester (R17) Regular Examinations COMPUTER AIDED DESIGN






*****

UNIT-I

1. (a). Discuss the working principles of following input devices. (i) cursor control devices (ii) digitizers.

7M

(b). Write the benefits of CAD. 7M

(OR)

2. (a). Explain in detail about creating database for manufacturing. 7M

(b). What are the processes involved in the general design process? Explain each. 7M

UNIT-II

3. (a). What are the basic techniques used in current computer graphics terminals for

generating the image on the CRT screen. Explain briefly with illustrations.

7M

(b). A rectangle is formed with vertices A(50, 50), B(100, 50), C( 100, 80) & D(

50,80). (i) Calculate the new co –ordinates of the rectangle reduced to in size

using a scaling factor of 0.5,0.6; (ii) If the rectangle is reduced to square of side

equal to smaller side of the rectangle.

7M

(OR)

4. What are types of geometric modelling techniques? Explain in detail. 14M

UNIT-III

5. (a). What do you understand by Finite Element Modeling? Give an example of

modeling a mechanical component.

7M

(b). Give details of various types of element shapes usually employed for modeling

components.

7M

(OR)

6. (a). What are the steps involves in the Finite Element Modeling? And explain each. 7M

(b). Write short notes on automatic mesh generation with an illustrative example. 7M

UNIT-IV

7. (a). Explain the salient features of ANSYS package in detail. 7M

(b). Explain about the computer aided design of a coil spring in details 7M

(OR)

8. (a). What are softwares available for FEM? Give their features. 7M

(b). Explain the computer aided analysis of kinematics of crank slider mechanism 7M

UNIT-V

9. (a). Discuss the application of AI in the design. 7M

(b). Explain the importance of inference process. 7M

33

(OR)

10. What is an expert system? What are the various components of an expert

system? How it is related to artificial intelligence?

14M

[B17ME3207]

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