KLE.Dr.M.S.SHESHGIRI COLLEGE OF ENGINEERING...

KLE.Dr.M.S.SHESHGIRI

COLLEGE OF ENGINEERING & TECHNOLOGY

BELAGAVI-08

LIBRARY AND INFORMATION CENTER

QUESTION PAPERS 3rd,4th 5th,6th 7th & gth SEMESTER

BIOMEDICAL

JUNE/JULY-2017

KLE Dr. M.S. Sheshgiri College of Engineering & Technology, Library, Belagavi


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I I I I I I I I I I I Third Semester B.E. Degree Examination, June/July 2017

Engineering Mathematics - 111

1 ,, . ' <;·

Time: 3 hrs. Max. Marks: 80

Note: Answer FIVE full questions, choosing one full question from each module.

Module-I

1 a. Obtain the Fourier series expansion of

f(x) = {

nx O::;;x::;;J

n(2 - x) 1::;; x::;; 2 (08 Marks)

I I I 1t2

and deduce that I2 + ~ + s2 + ..... = 8

.

b. Obtain the constant term and first sine and cosine terms in the Fourier expansion of y from

the following table. (08 Marks)

x O 2 3 4 5

y 9 18 24 28 26 20

OR

2. a. Expand f(x) = lxl as a Fourier series in -n :S x :S 1r and deduce that (06 !\larks)

3

1 1 1 1t

J2+~+s2+ ..... =8. b. Obtain the halfrange cosine series for the function t(x) = x sin x in O < x < n. (05 Marks)

c. The following table gives variations of periodic current over a period T. Show that there is a

direct current part of 0.75 amp in the variable current and obtain the amplitude of first

harmonic. (05 Marks)

t(sec) 0 T T - -6 3

A (arnp) 1.98 1.3 1.05

Module-2

a. Find the Fourier Transform of

f(x_)_={1-ox2 1x1::;;1

- Ix I> I

J"' xcosx-sinx xi

Hence evaluate ,, cos 72

dx. O x

b. Find the Fourier cosine transform of

{

x for O < x < I

t(x) = 2 -

0

x for I < x < 2

for x > 2

c. Find the inn:rsc 1- transform of

3z 2 .i. 2z

(5z -1)(51. + 2)

I of 3

T 2T 5T - - -~ 3 6

1.3 -0.88 -0.25 -

(06 Marks)

(05 Marks)

(05 Marks)


'"" <f; ·~ ,:

.'.\ .. :_,'.,

OR -ax

4 a. Find the Fourier sine transform of _e_, a> 0. x

b. Find the Z - transform of i) cosh n8 ii) n2

•

c. Solve the difference equation Yn+2 + 4Yn+1 + 3yn = 311

with Yo= 0, Y1 = I.

Module-3

15MAT31

(06 Marks)

(OS Marks)

(OS Marks)

5 a. Find the coefficient of correlation and two regression lines for the following data : (06 Marks)

x 2 3 4 5 6 7 8 9 10

y 10 12 16 28 25 36 41 49 40 50

b. Fit a curve of the form y = ae x for the following data : (OS Marks)

I ~ I 1 ~315

6

512

1

3 I ~ I ~ I 12° I c. Use Newton - Raphson method to find a real root of the equation

x sin x + cos x = 0 near x = 1r.

OR

(05 Marks)

6 a. In a partially destroyed lab record, only the lines of regression of y on x and x on y are

available as 4x - Sy + 33 = 0 ai"id 20x - 9y = I 07 respectiveiy. Calculate x, y and

coefficient of correlation between x and y. (06 Marks)

b. Fit a second degree parabola to the following data : (OS Marks)

x 1.0 1.5 2.0 2.5 3.0 3.5 4.0

y I.I 1.3 1.6 2.0 2.7 3.41 4.1

c. Use the regula - falsi method to obtain a root of the equation 2x - log10X = 7 which lies

between 3.5 and 4. Carryout 2 iterations. (OS Marks)

Module-4

7 a. The population of a town is given by the table (06 Marks)

Year 1951 1961 1971 1981 1991

Populationinthousands 19.96 39.65 58.81 77.21 94.61

Using Newton's forward and backward interpolation formula, calculate the increase in the

population from the year 1955 to 1985.

b. Use Lagrange's interpolation formula to find y at x = I 0, given (OS Marks)

I ~ I 15

2 I 1~1 I 19

41 : ~ I c. Given the values

x 2 4 5 6 8 10

y 10 96 196 350 868 1746

Construct the interpolating polynomial using Newton's divided difference interpolation

formula. (OS Marks)

OR

8 a. From the following table, estimate the number of students who obtained marks between 40

and 45. (06 Marks)

1>--t-v_1_a_rk_·s ___ _,__3_0_-..J._o_: ..J.0_-50 50-60 i 60-70 70-80

l~N_o_. _o_f_st_u_d_e_nt_s.~_3_1 _ ..J.2 51 ! 35 31


15MAT31

b. Apply Lagrange's formula inversely to obtain the root of the equation t{x) = 0, given

f(30) = -30 , f(34) = -13 , t(38) = 3 , f( 42) = 18. (05 Marks) 0.6

c. Use Simpson's ~ rule to find J 3 0

~

e-,~ dy by taking 7 ordinates. (05 Marks)

Module-5

9 a. Find the work done in ~moving a particle in the force field F = 3x2

i + (2xz - y)j + z k along

the curve defined by x~ = 4y, 3x3 = 8z from x = 0 to x = 2. (06 Marks)

b. Verify Stoke's theorem for F = (x2 + /)i - 2xy j around the rectangle x = ± a , y = O ,

y = b. (05 Marks)

c. SolvetheEuler'sequationforthefunctional J' (l+x2y')y1dx. (05 Marks)

OR

10 a. Verify Green's theorem for J ( xy + y 2 )dx + x

2dy. where e is bounded by y = x and y = x2

•

(06 Marks)

b. Evaluate the st,rface integral J JF. Nds where F = 4xi - 2y2j + z2k and s is the surface

bounding the region x2 +y2 = 4, z = 0 and.z = 3,-,. (05 Marks)

c. Show that the shortest distance between any two points in a plane is a straight line. (05 Marks)

* * * * *


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USN I I I I I I I I I I I Third Semester B.E. Degree Examination, June/July 2017

Additional Mathematics - I


1

2

3

4

5


a. Express 3 + 4i in the form x + iy. 3-4i

Module-1

b. Express fj + i in the polar form and hence find their modulus and amplitudes.

c. Find the sine of the angle between a = 2i- 2j + k and b = i- 2j + 2k.

a.

OR

Simplify

(cos39 + isin 39)4(cos49 + isin 49)5

(cos49 +isin 49)3

+ (cos59 + isin s9r4

(06 Marks)

(05 Marks)

(05 Marks)

(06 Marks)

b. If a = i + 2j - 3k and b = 3i - j + 2k, then show that ( a + b) and ( a - b) are orthogonal.

c. Find the value of 11., so that the vectors a = 2i - 3j + k, b = i + 2j - 3k and

co-planar.

Module-2

a. Ify = cos (m log x) then prove that x2yn+2 + (2n + l)XYn+l + (m

2 + n

2) Yn = 0.

b. With usual notation prove that

rd9 tan~=-.

dr

c. Ifu = logc(x4

+ Y4

), show that x au+ y au= 3. x+y ax oy

OR

a. Find the Pedal equation of r = a[l-cos 8].

b. Expand logc(l + x) in ascending powers ofx as far as the term containing x4

.

c. Find the total derivative of Z = xy2

+ x2y , where x = at

2 y = 2at.

Module-3

a. Evaluate f sin6

3x dx using Reduction formula. 0

I

b. Evaluate f x 6 .J1 - x

2 dx - using Reduction formula.

0

c. Evaluate f ry xydxdy . I O

OR

1 of2

(05 Marks)

c = j + Ak are

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)


15MATDIP31

6 a. Evalua~e f ,sin3 x cos7x dx.

0

(06 Marks)

1t

b. Evaluate f x cos6

x dx. 0

c. Evaluate J J J (x + y + z) dz dx dy. 0 0 0

Module-4

(05 Marks)

(05 Marks)

7 a. A particle moves along the curve r = (1-t3

) i + (1 +t2

) J + (2t - 5) k. Determine the velocity

and acceleration. (06 Marks)

b. Find the directional derivative of ~ = xy2 + yz3

at the point (2,-1, 1) in the direction of the

vector i + 2j + 2k. (05 Marks)

c. Find the constant a, b, c. Such that the vector - " " " F= (x + y + az) i + (x + cy + 2z) k +(bx+ 2y- z) j is irrotational. (05 Marks)

OR

8 a. Find the angle between the tangents to the curve r = t2 i + 2t] - t3 k at the points t = ± 1.

9

10

(06 Marks)

b. Find the divergence and curl of the vector

F = (xyz + y2z) i + (3x2 + y2z) J + (xz2 -y2z) k. (05 Marks)

- " " " c. If F =(ax+ 3y + 4z) i + (x - 2y + 3z) j + (3x + 2y- z) k is solenoidal, find a. (05 Marks)

a. Solve dy y =

dx x-FY

b. Solve dy . - + y cot x = sm x. dx

c. Solve dy x + 2y-1

dx x +2y+ 1

a. Solve (x2 - y2) dx = 2xy dy.

b. dy 3 6

Solvex -+y=x y. dx

c. (1 + xy) ydx + (1 - xy) xdy = 0.

Module-5

OR

*****

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(06 Marks)

(05 Marks)

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)


USN

Third Semester B.E. Degree Examination, June/July 2017

Analog Electronic Circuits


1

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4


Module-1 ·

a. Obtain the expressions for voltage gain, Zin and output impedance Zo of common-emitter

configuration with voltage divider bias using AC equivalent with re model. (10 Marks)

b. For the circuit shown in Ql (b), calculate (i) re (ii) Zi and (iii) Z0, take r0 = oo n.

'22-V

C-'2.KJ).....

l\-~ <>---\ --\ ~F a Vo

~' :~~K ·~ I. ~ i.s.:: HP-z6

21 r1 Fig. Ql (b)

OR

(06 Marks)

a. Obtain the expressions for voltage gain (Av), Zin and Z0 of common - emitter bias

configuration with emitter follower using AC equivalent circuit with re-model. (10 Marks)

b. For the emitter follower shown in Fig. Q2 (b), determine re, Zi and _Zo. Take 13 = 100 and

(06 Marks)

Fig. Q2 (b)

Module-2

a. With a neat diagram, explain construction and characteristics of n-type JFET. (10 Marks)

b. Explain how to find g111 using graphical method and derive mathematical expression of g111 •

(06 Marks)

OR a. With a neat circuit diagram, explain fixed bias configuration and hence determine V 0 , VG

and V GS· (10 Marks)

b. Determine the following for the network at Fig. Q4 (b): (i) VGsQ (ii) 100 (iii) Vos

(iv) Vo (v) VG (vi) Vs (06 Marks)

1 \G\I

i~ ...-3J= 0 J. t:BS~ I~

~ 1~~1 "'~ ·;:. ~~\J

-c::,;i.:"

lf Fig. Q4 (b)

1 of2

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a. Obtain ·the expressions for voltage gain input impedance and output

common source amplifier using self hias configuration.

b. For the FET amplifier shown below calculate zi, z0

and Av.

j_~~'\f Ioss=l5mA

\oU<?- 'A...- 'I Yp = -6 V

---\~1oU.f-6

Y0s =25 µsec

"'' I \!'JV\ ~

r-7- 'll \

z 1)11~ ?-20

Fig. Q5 (b)

OR

15EI/ML/BM33

impedance of JFET

(10 '.\larks)

(06 i\larks)

6 a. With a neat circuit diagram, explain low frequency response BJT amplifier and hence

determine ft.s, f Le and fLE· (IO Marks)

b. Determine the lower cut off frequency for the network using the following parameters :

Cs= 10 µF, CE = 20 µF, Cc = 1 µF, Re = 4 Kn, RL = 2.2 KQ, Rs = 1 Kn, R1 = 40 KQ,

R2 = 10 Kn, RE= 2 Kn, f3 = 100, Yee= 20 V, r0

= oo Q (06 l\Jarks)

l\tlodule-4

7 a. Explain the operation of a class B push-pull power amplifier with the help of a neat circuit

diagram and draw its input and output waveforms. (08 l\Jarks)

b. A class B push-pull amplifier with Vee = 25 V provides a 22 V peak signal to an 8 Q. Find

peak load current, de current, input power, output power and efficiency. (08 Marks)

OR

8 a. Explain the working and AC operation of a series Fed class A amplifier with necessary

equations. (IO Marks)

b. Obtain maximum efficiency of series Fed Class A amplifier. (06 Marks)

Module-5

9 a. Explain the operation transistor RC-Phase shift oscillator using a neat circuit diagram. (06 Marks)

b. In an RC-phase shift oscillator Re= 5 KQ and R = 3.3 KQ. Find the range of values of C if

it is required to vary the frequency from 100 Hz to 20 KHz. (06 Marks)

c. Mention the effects of negative feed back on amplifiers output. (04 Marks)

OR

10 a. With a neat circuit diagram, explain FET Colpitts oscillator.

b. With a neat circuit diagram, explain transistor crystal oscillator.

* * * * *

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(08 Marks)

(08 Marks)


USN


Digital Design and. HDL


1

2

3

4

5

6

Note: Answer any FIVE full questions, choosing one full question from each module.

Module-I

a. Expand f1 =a+ be+ acd in to min tern and f

2 = a(b + c) (a+ c + d) in to max term. (06 Marks)

b. Simplify f (a, b, c, d) = Im(l, 2, 4, 11, 13, 14, 15) + de (0, 5, 7, 8, 10) using K Map. (05 Marks)

c. Discus'.. tl.~ shift and relational operators in verilog. (OS Marks)

OR

a. Simplify s = f(a, b, c, d) = IO, 3, 13, 15) + I(8, 9, 10, 11) using QM technique. (08 Marks)

b. Write data flow pescription of Half adder with truth table and simulation result. (08 Marks)

Module-2 a. What is the disadvantage of ripple carry adder and how it can be overcome by carry look

ahead adder? (08 Marks)

b. Design 2 bit comparator using gates. (08 Marks)

OR

a. Implement the following function using 4:1 MUX, treat a and bas select lines.

F(a, b, c, d) = IM (0, 1, 5, 6, 7, 9, 10, 15).

b. Explain the formats of while loop and for loop.

c. Write verilog behavioral description of 2: 1 multiplexer along with truth table.

Module-3

(06 Marks)

(04 Marks)

(06 Marks)

a. Design BCD to excess 3 code converters using logic gates. (10 Marks)

b. What are the problems associated with 8:3 encoder? How it can overcome by priority

encodes. (06 Marks)

OR

a. Design a combinational circuit to achieve a common cathode 7 segment display with BCD

inputs. (10 Marks)

b. Write the logic diagram and truth table of 2 to 4 decoder for active low enable and active

high outputs and its behavioral description. (06 Marks)

Module-4

7 a. Explain the working of pulse trigger JK master slave flip-flop with truth table. (06 Marks)

(06 Marks)

(04 Marks)

b. Explain switch debouncer using SR latch with waveforms.

c. Write verilog behavioral description of D latch.

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OR

8 a. Explain universal shift register with the use of logic diagram and mode control table. b. (08 Marks)

Write vcrilog behavioral description of positive edge triggered JK flip-flop along with

excitation table. (08 Marks)

Module-5

9 a. Explain 4 bit binary ripple counter. (10 Marks)

b. With the logic symboi'and truth table of 3 bit synchronous counter write verilog behavioral

description of 3 bit binary counter. (06 l\Iarks)

OR

10 a. Explain the design of a synchronous mod 6 counter to count the sequence O - 2 - 3 - 6 - 5 -

1 - 0 using the clocked JK flip flops. Clearly indicate the application table excitation table

and minimal sum expression. (10 Marks)

b. Draw the gate level synthesis information, extracted from the following {erilog code always

@(s, a, b)

begin

end

if (s = l' bl)

y= x;

else

y= xl;

(06 Marks)

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Human Anatomy and Physiology


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6

7


Module-1

a. Explain the negative feedback mechanism with example.

b. Draw the neat diagram of a simple cell and name its organelles.

c. Explain the following with example:

i) isotonic solution

ii) hypotonic solution

iii) hypertonic solution.

OR a. List the main types of body tissues.

b. Define Cartilage. Explain the Hyaline cartilage.

c. List the cells of connective tissue.

Module-2

a. With a neat diagram, explain the parts of neuron.

b. Give the properties of neurons.

c. List the functions of cerebral cortex.

OR a. List and explain the ventricles of Brain.

b. Draw the neat diagram of cerebellum and its associated structures.

c. Give the names of spinal nerves according to their number.

Module-3

a. Explain the process of flow ofblood through the heart. b. Describe the process ofvasodilatation and vasoconstriction.

c. List the factors affecting heart rate.

OR a. Define the term blood pressure. Describe the main control mechanisms

blood pressure with neat diagram.

b. Explain the process of pulmonary circulation.

c. Define the following: i) Pulse

ii) Cardiac output.

Module-4 a. List the organs of respiratory system.

b. Give the functions of pharynx. c. Explain the physiological variables affecting breathing.

1 of2

(06 Marks)

(04 Marks)

(06 Marks)

(04 Marks)

(06 Marks)

(06 Marks)

(08 Marks)

(04 Marks)

(04 Marks)

(08 Marks)

(04 Marks)

(04 Marks)

(06 Marks)

(04 Marks)

(06 Marks)

for regulation of

(08 Marks)

(06 Marks)

(02 Marks)

(04 Marks)

(06 Marks)

(06 Marks)


ISBM/ML35

OR

8 a. List the functions of Saliva. (05 Marks)

b. Describe the structure of a tooth. (06 Marks)

c. Give the important functions of liver. (05 Marks)

Module-5

9 a. Describe the stages of development of a long bone with a neat sketch. (08 Marks)

b. List the factors that delay healing of fractures. (06 Marks)

c. What are Sinuses? Give the functions of it. (02 Marks)

OR

10 a. With a neat sketch, give the characteristics of fibrous and cartilaginous joints. (06 Marks)

b. List the types of synovial joint with an example for each. (08 Marks)

c. List the movements possible at knee joint. (02 Marks)

* * * * *

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Network Analysis


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4

5

6

7

Note: Answer any FIVE full questions, choosing ONE full question from each module.

Module-1

a. Explain how voltage source is transformed to current source and vice-versa, with related

circuits and characteristics curve/graph:· (06 Marks)

b. Use Mesh-current method to find power delivered by 125V source. Also solve for loop

currents, for the circuit sown in Fig.Ql(b). (06 Marks)

c. Find the effective resistance between the terminals-Au in the Fig.Ql(c). (04 Marks)

OR a. Define the terms : i) Network and circuit ii) Mesh and loop

iii) Lumped and distributed iv) Linear element.

b. Find the current through 2Q resistor in network shown in

transformation method.

(04 Marks)

Fig.Q2(b) by source

(06 Marks)

c. For network shown in Fig.Q2(c). Use nodal analysis to find V d and Ve. (06 Marks)

Module-2

a. State and prove super position theorem. (04 Marks)

b. Find Thevenin's equivalent circuit for the circuit shown in Fig.Q3(b) across the terminals

a, b. (07 Marks)

c. Find current through 4Q resistor for circuit shown in Fig.Q3(c). Using Millman's theorem. (05 Marks)

OR

a. State and explain Norton's theorem.

b. Verify reciprocity theorem and find 'V x' for the circuit shown in Fig.Q4(b).

c. Find maximum power dissipated in 'RL' for the circuit shown in Fig.Q4(c).

Module-3

(04 Marks)

(04 Marks)

(08 Marks)

a. Explain the behaviour of resistor, inductor and capacitor elements for transients. Mention

their representation? (04 Marks)

b. Find the 'h' parameters of the circuit shown in Fig.QS(b). (06 Marks)

c. For the circuit shown in Fig.QS(c), steady state has reached with the l OOV source. At t = 0

switch 'K' is opened what is the circuit through inductor at t = 0.5 seconds? (06 Marks

OR

a. Explain Z -parameters (open circuit) with equivalent circuit. (04 Marks)

b. Find Y-parameters for the resistive network shown in Fig.Q6(b). (06 Marks)

c. In the circuit shown in Fig.Q6(c), the switch is moved from a to b at t = 0. Find values of

d . d2· ·

1 1 o+ A d · h. d h ' · ' 1, -,- at t = . ssume stea y state 1s ac 1eve w en 'K 1s at 'a . dt dt

(06 Marks)

Module-4

a. Define resonance. Derive expression for frequency of resonance of a series R-L-C circuit. (07 Marks)

b. For network shown in Fig.Q7(b), determine value of Xe at which it resonates when

f = 1 OOHz. (09 Marks)

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a. \.'Sbo,vthaPres·oi1ant frequency of series resonance circuit is equal to geometric mean of two 1ti'ait'...power frcq8encics. (06 l\larks) - '

b. A·,~crie~,R~t circuit with an input voltage ors lQ'.'. V resonates at a frequency of 8400Hz.

The peak value of current is 500mA at resonance and the band width is 120 Hz.

Find the values of R, L, C and cut-off frequencies. (10 Marks)

Module-5

9 a. Define the terms : i) planar and non planar graphs ii) tree and cotree iii) incidence matrix

and its properties. (06 Marks)

b. Draw the graph of a network shown in Fig.Q9(b) consider the given resistor values a sa

branch numbers and select AD, BD and CD as branches to form tie-set and cut-set schedule.

Write Tie-set and cut-set schedule. (10 Marks)

OR 10 a. Define the terms : i) Isomorphic graphs ii) Cur-set matrix iii) Network topology. (04 Marks)

b. For the incidence matrix given below, draw the graph.

1 2 3 4 5 6 7 8 (06 Marks)

T 0 0 0 1 0 0

-j] b O 1 0 0 -1 1 0

c O 0 1 0 0 -1 1

d O 0 0 1 0 0 -1

C. Draw the dual network for circuit shown in Fig.QlO(c) and write the integrodiff erenial

equations. (06 Marks)

l1·5JL

Fig.Ql(b)

d

,&- tt LA

c,•

Fig. Q2(b) Fig.Q2(c)

6JL .R. r _[

.fl-Jl_

5V

b Fig.Q3(b) Fig.Q3(c)

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Fig.Q4(b) Fig.Q4(c)

l2.2.-

Q.....-..L--------1.--0 -

Fig.Q5(b) Fig.Q6(c)

i H

Fig.Q6(b) Fig.Q6(c)

o---

Fig.Q7(b)

Fig.lO(c)

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I I I 151\1AT41

Fourth Semester B.E. Degree Examination, June/July 2017

Engineering Mathematics-IV


1

2

3

Note: 1. Answer FIVE full questions, choosing one full question from each module.

2. Use of statistical tables are permitted.

Module-1

a. Find by Taylor's series method the value ofy at x = 0.1 from dy =x2y-l, y(O)= 1 (upto

· dx

4111 degree term). (OS Marks)

b. The following table gives the solution of 5xy' + y2 -2 = 0. Find the value of y at x = 4.5

using Milne's predictor and corrector formulae. (OS l\larks)

I ~ I 4

I l.~0~9 I 1.~~97 I 1.~-1

3

43 1 l.~-1~7 I

c. Using Euler's modified method. Obtain a solution of the equation :~ = x + \.jy\, with initial

conditions y = 1 at x = 0, for the range O::;; x::;; 0.4 in steps of 0.2. (06 Marks)

OR

a · l dy -1 ( x ) · l · Using modified Euler's method find y(20.2) and y(20.4) given t 1at - = og 10 - wit 1 dx y

y(20) = 5 taking h = 0.2. (05 Marks)

b. Given·:~ =x2(1+y) and y(l) = 1, y(l.l) = 1.233, y(l.2) =1.548, y(l.3) = 1.979. Evaluate

y(l.4) by Adams-Bashforth method. (05 !\,larks)

d J 2

c. Using Runge-Kutta method of fourth order, solve _y_ = y- - x with y(O) = 1 at x = 0.2 by dx y

2 + x

2

taking h = 0.2 (06 Marks)

Module-2

d2 d

a. Obtain the solution of the equation 2___2:'. = ux + _)'_ by computing the value of the dx

2 dx

dependent variable corresponding to the value 1.4 of the independent variable by applying

Milne's method using the following data: (05 Marks)

x 1 1.1 1.2 1.3

y 2 2.2156 2.4649 2.7514 ,

2 2.3178 2.6725 3.0657 y

b. Express f(x) = 3x3

- x 2 + 5x- 2 in tcnns of Legendre polynomials. (05 Marks)

c. Obtain the series solution of Bessel's differential equation x 2y" + xy' + (x 2

+ n 2 )y = O

(06 Marks)

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. · .. ·

OR

4 a. By Runge-Kutta method solve ~ = x -1. -y2

for x = 0.2. Correct to four decimal d2 ( d )2

dx" dx

places using the initial conditions y = 1 and y' = 0 at x = 0, h = 0.2.

b. Prove that 1, ~ (x) =[!;sin x

c. Prove the Rodrigues formula,

l d"(x 2 -1)" Pn(x) = ?" l dx"

- n.

Module-3

(05 Marks)

(05 Marks)

(06 Marks)

5 a. State and prove Cauchy's-Riemann equation in polar form. (05 Marks)

(05 Marks)

6

b. Discuss the transformation W = e' .

E I f{ sin(rcz2)+cos(rrz

2 )l c. va uate , J>dz

c (z-lt(z-2)

using Cauchy's residue theorem where 'C' is the circle lzl = 3 (06 Marks)

OR

sin2x a. Find the analytic function whose real part is, -----

cosh2y-cos2x (05 Marks)

b. State and prove Cauchy's integral formula.

c. Find the bilinear transformation which maps z = cc, i, 0 into

points of the transformation.

Module-4

(05 Marks)

co = -1, -i, l . Also find the fixed

(06 Marks)

7 a. Find the mean and standard deviation of Poisson distribution. (05 Marks)

b. In a test on 2000 electric bulbs, it was found that the life of a particular make was normally

distributed with an average life of 2040 hours and S.D of 60 hours. Estimate the number of

bulbs likely to burn for,

(i) more than 2150 hours.

(ii) less than 1950 hours

(iii) more than 1920 hours and less than 2160 hours.

[A(l.833) = 0.4664, A(l.5) = 0.4332, A(2) = 0.4772] (05 Marks)

c. The joint probability distribution of two random variables x and y is as follows:

x/y -4 2 7

1 1/8 1/4 1/8

5 1/4 1/8 1/8

Determine:

(i) Marginal distribution of x and y.

(ii) CoYariance ofx and y

(iii) Correlaiton of x and y. (06 Marks)

2 of 3


8

OR

a. The probability that a pen manufactured by a factory be defective is 10

. If 12 such pens are

manufactured what is the probability that, (i) Exactly 2 are defective ( ii) at least 2 are

defective (iii) none of them are defective. (05 Marks)

b. Derive the expressions for mean and variance of binomial distribution. (05 Marks)

c. A random variable X take the values -3, -2, -1, 0, 1, 2, 3 such that P(x = 0) = P(x < 0) and

P(x = -3) = P (x = -2) = P(x = -1) = P(x = 1) = P(x = 2) = P(x = 3). Find the probability

distribution. (06 Marks)

Module-5

9 a. In 324 throws of a six faced 'die' an odd number turned up 181 times. Is it reasonable to

think that the 'die' is an unbiased one? (05 Marks)

b. Two horses A and B were tested according to· the time (in seconds) to run a particular race

with the following results:

Horse A: 28 30 32 33 33 29 34

Horse B: 29 30 30 24 27 29

Test whether you can discriminate between the two hors,cs.(to.05=2.2 and to.02=2.72 for 11 d.f) . (05 Marks)

c. Find the unique fixed probability vector for the regular stochastic matrix, A= j ~ ~ :J lo Yi X

10 a. Define the terms: (i) Null hypothesis

limits.

OR (ii) Type-I and Type-II error

(06 !\larks)

(iii) Confidence

(05 Marks)

b. Prove that the Markov chain whose IO 3~ X]

t.p.m P = lJS O JS is irreducible. Find the

JS ii O

corresponding stationary probability vector. (05 Marks)

c. Three boys A, B, C are throwing ball to each other. A always throws the ball to B and B

always throws the ball to C. C is just as likely to throw the ball to B as to A. If C was the

first person to throw the ball find the probabilities that after three throws (i) A has the ball.

(ii) B has the ball. (iii) Chas the ball. (06 !\larks)

* * * * *

3 of3


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USN I I I I I I I I I I I Fourth Semester B.E. Degree Examination, June/July 2017

Additional Mathematics - II


1

2

3

4

Note: Answer any FIVE full questions, choosing

ONE full question from each module.

Module-1

a. Find the rank of the matrix:

j ~ ! ! ~1 by elementary row transformations.

l1 3 4 5

b. Solve the following system of equations by Gauss elimination method :

2x + y+ 4z = 12

4x + 11 y - z = 33

(06 Marks)

8x- 3y + 2z = 20. (05 Marks)

c. Find all the eigenvalues and eigenvector correspondingto largest eigenvalue of the matrix:

r l ~ :l (05 Mar~)

OR

a. Solve the following system of equations by Gauss elimination method :

x+y+z=9

2x+y-z= 0

2x + Sy+ 7z = 52.

b. Reduce the matrix [ 2 31 4 2 into its echelon form and hence find its rank.

6 5

c. Find the inverse of the matrix A -[ ~ ; ] using Cayley - Hamilton theorem.

Module-2 a. Solve (D

2 - 4D + 13)y = cos 2x by the method of undetermined coefficients.

b. Solve (D2

+ 2D + l)y = x2 + 2x.

c. Solve (D2

- 6D + 25)y = sin x.

OR

a. Solve (D2

+ l)y = tan x by the method of variation of parameters.

b. Solve (D3

+ 8)y = x4

+ 2x + 1.

c. Solve (D2 + 2D + 5)y = e -x cos 2x.

1 of3

(06 Marks)

(05 Marks) .!\,

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)


15MATDIP41

Module-3

5 a. Find the Laplace transforms of:

i) e -t cos2 3t ..) cos2t- cos3t 11 .

t (06 Marks)

b. Find:

i) L[ t -ri + tl'i J ii) L[sin 5t · cos 2t]. (05 Marks)

c. Find the Laplace transform of the function f(t)=Esin(~t} O<t<co, given that

f(t+ co)= f(t). (05 Marks)

OR

6 a. Find:

i) Llt2

sin t j ii) L[ s~ 2t l (06 Marks)

00

b. f cos6t-cos4t .

Evaluate : dt usmg Laplace transform. (05 Marks)

O t

{

sin 2t, 0 < t < 7t c. Express f(t) = , in terms of unit step function and hence find L[f(t)].

0, t > 1t

(05 Marks)

Module-4 2

7 a. Solve the initial value problem d ~ + Sdy + 6y = 5e2x, y(O) = 2, y'(O) = 1 using Laplace

dx dx

transforms.

b. Find the inverse Laplace transforms : . 3(s2 -1)2 1) 2

2s

"") s + 1 11 .

s2

+6s+9

c. Find the inverse Laplace transform: log[ s

2

+ 4

] · s(s+4)(s-4)

OR

8 a. Solve the initial value problem :

2

d ; + 4

dy + 3y = e -t with y(O) = 1 = y' (0) using Laplace transforms. dt dt

b. Find the inverse Laplace transform : i) _1_+_3 __ __!_ s../s s2 .Js .Js

2s-1 c. Find the inverse Laplace transform : ---

s2 +4s+29.

2 of3

.. ) 3s + 1 II

(s-l)(s2

+l)

(06 Marks)

(05 Marks)

(05 Marks)

(06 Marks)

(05 Marks)

(05 Marks)


15MATDIP41

Module-5

9 a. State and prove Baye's theorem. (06 Marks)

b. A can hit a target 3 times in 5 shots, B 2 times in 5 shots and C 3 times in 4 shots. They fire

a volley. What is the probability that i) two shots hit ii) atleast two shots hit? (05 Marks)

7 c. Find P(A), P(B) and P(A n B), if A and B are events with P(A u B) = - ,

8 1 - 5

P(AnB) =-andP(A) =-. 4 8

(05 Marks)

OR

10 a. Prove that P(AUB) = P(A) + (B) - P(MB), for any two events A and B. (06 Marks)

b. Show that the events A and B are independent, if A and B are independent events. (05 Marks)

c. Three machines A, B and C produce respectively 60%, 30%, 10% of the total number of

items of a factory. The percentage of defective output of these machines are respectively

2%, 3% and 4%. An item is selected at random and is found defective. Find the probability

that the item was produced by machine C. (05 Marks)

* * * * *

3 of3



~®~~

USN I I I I I I I I I I I Fourth Semester B.E. Degree Examination, June/July 2017

Signal Conditioning and Data Acquisition Circuits


8 Note: Answer any FIVE full questions, choosing one full question from each module.

-~ % Module-I

Cl)

0 z § t: 0 p.

,§

6 1 a. With the help of circuit schematic mention how we can obtain symmetrical supply voltage

by using fixed power supply and zener diodes. (03 Marks)

b. Calculate the total current i0 following into the output pin of an inverting amplifier with

Vi = 1 v, feedback resistance of 1 OOkQ, load resistance of 25kQ and a closed loop voltage

gain of-10. (05 Marks)

c. Draw the equivalent circuit of a practical opamp inverting amplifier and derive the

expression for closed loop voltage gain. (08 Marks)

OR

2 a. Derive the expression for output voltage of a Non-inverting summing amplifier. (07 Marks)

b. A non inverting amplifier with a gain of 100 is nulled at 25°C. What will happen to the

output voltage if the temperature rises to 50°C for an offset voltage drift of0.15 mV/°C.? (02 Marks)

c. Mention the salient features of instrumentation amplifier. Explain how instrumentation

amplifier can be employed in the signal conditioning circuit for transducer bridge. (07 Marks)

Module-2

3 a. Draw the circuit schematic of V to I converter with grounded load and derive the expression

for output current. (05 Marks)

b. With the help of circuit diagram explain the operating principle of precision full wave

rectifier. (06 Marks)

c. Design a practical differentiator using opamp that will differentiate an input signal with

fa= frnax = lOOHz, fb = lKHz and c, = O.lµF. (05 Marks)

OR

4 a. With circuit diagram explain how comparator can be used to construct three level window

detector and time marker generator. (08 Marks)

b. Draw the circuit schematic of opamp based astable multi-vibrator and explain its working

principle. (08 Marks)

Module-3

5 a. Define the terms line regulation and load regulation with respect to voltage regulator. (02 Marks)

b. Draw the functional block diagram of low voltage regulator and explain. (08 Marks)

c. Specify the limitations of linear voltage regulator. Explain how these limitations can be

overcome by using switching regulator. (06 Marks)

1 of2


lSEI/BM/ML 72

OR

6 a. Design a second order low pass filter with high cutoff frequency of 1 KHz if the capacitances

of 0.0047 µFare to be used. (05 Marks)

b. Write the circuit schematic of Narrow Band-pass Filter and write the design procedure. (07 Marks)

c. Write the circuit schematic of Narrow Band Reject Filter and design a 50Hz active notch

filter. (04 Marks)

Module-4

7 a. Draw the functional diagram ofIC 555 timer and explain. (06 Marks)

b. With the help of circuit schematic explain the working principle of mono-stable multi-

vibrator using IC 555 timer. (05 Marks)

c. Draw the circuit of FSIK generator using IC 555. Explain how FSK signal can be generated

by configuring IC 555 timer in astable mode. (05 Marks)

OR

8 a. Define the terms capture range and Lock-in range with respect to PLL. (04 Marks)

b. Give the block diagram of IC 566 VCO and explain its principle of operation. (07 Marks)

c. With the help of block diagram explain how PLL can be used as frequency translator. (05 Marks)

Module-5

9 a. Draw the generalized diagram of digital data acquisition system and explain the function of

its constituent blocks. (09 Marks)

b. Mention the basis on which we select analog/digital data acquisition system for a particular

application. (04 Marks)

c. Discuss about the two ways in which recorders can be coupled to digital system. (03 Marks)

OR

10 a. Draw the circuit diagram of 3-bit R-2R Ladder DAC and write the expression for output

voltage for a digital input data of 100 and 001. (04 Marks)

b. With the help of functional diagram explain the working principle of successive

approximation ADC (07 Marks)

c. A dual slope ADC uses a 16-bit counter and a 4MHz clock rate. The maximum input voltage

is + lOV. the maximum integrator output voltage should be -8V. When the counter has

cycled through 22

counts. The capacitor used in the integrator is 0.1 µF. Find the value of the

resistor R of the integrator. (05 Marks)

* * * * *

2 of2


~~ USN I I I I I I I I I I I


Embedded Controllers


1

2

3

4

Note: Answer FIVE full questions, choosing one full questionfrom each module.

Module-I a. List the _architectural difference between:

i) Harvard and Von Neumann architecture

ii) RISC and CISC architecture

b. Compare 8051, 8052 and 8031 microcontrollers.

c. Discuss briefly the developments in microprocessor technology.

OR

a. Explain the neat block diagram, the architecture of 8051 microcontroller.

b. Explain the following pins and their functions in 8051 microcontroller: - - -

i) ALE ii) PSEN iii) EA iv) RD v) RXD

c. Sketch and explain the internal RAM organization of 8051 microcontroller.

Module-2

(08 Marks)

(04Marks)

(04 Marks)

(08 Marks)

(05 Marks)

(03 Marks)

a. List and explain with examples, different addressing modes of 8051 microcontrollers.

b. Illustrate with examples, the instructions related to stack operations.

c. Identify the type of addressing modes used in the following instructions:

i) ADD A, 30h

ii) CJNE A, #29h, again

iii) lNC@Rl

iv) XCH A, R3

v) CLRC

vi) AJMP label

OR

(06 Marks)

(04 Marks)

(04 Marks)

a. Differentiate between jump and call instructions of 8051 microcontroller. Explain with

suitable example, different range of jump and call instructions. (06 Marks)

b. Evaluate the following instructions and identify the contents of A in each step:

MOVA,#OASH

RR A

RR A

SWAP A

CLR C

RRC A

RL A SW AP A (04 Marks)

c. Write an ALP in 8051 to count the number of 1 'sand O's in a number stored in memory

location 30 h. (06 Marks)

I of2


15EI/BM/ML43

Module-3 5 a. Explain different data types in 8051 C. (04 Marks)

b. Write a C program in 8051 to toggle all bits of PO and P2 continuously with 250 ms delay.

Use inverting operator. (04 Marks)

c. Show an interface of 8051 microcontroller with a stepper motor drive circuit and explain its

principle of operation. (08 Marks)

OR

6 a. Interface an LCD display unit to 8051 microcontroller and write an ALP to display the

message "HELLO". (10 Marks)

b. With a neat block diagram, illustrate the interfacing of 8051 microcontroller to DAC 0808 at

port Pl and write a 8051 program to generate triangular waveform. (06 Marks)

Module-4

7 a. Discuss the different modes of timers in 8051 microcontroller with neat block diagram. (06 Marks)

b. Explain how 8051 transmits the character and receives a character serially using its UART. (06 Marks)

c. Explain briefly, the interrupts of 8051. Indicate their vector addresses. (04 Marks)

OR

8 a. Write a C program for 8051 to generate a square wave of frequency 10 kHz on pin Pl .4. Use

9

timer O in mode 2 with XTAL = 22 MHz. (06 Marks)

b. Explain SCON register with its bit pattern. (04 Marks)

c. Explain IE and IP registers with their bit pattern and show how priorities change with

example. (06 Marks)

Module-5

a. Explain with neat diagram, the typical architectures of MSP430 microcontroller.

b. Explain briefly the low power applications of MSP430 microcontroller.

OR

(12 Marks)

(04Marks)

10 a. Discuss the clock system of MSP430 microcontroller. (06 Marks)

(06 Marks)

(04 Marks)

b. Give details of memory map ofMSP430 microcontroller.

c. Mention different addressing modes of MSP430 microcontrollers.

* * * * *

2 of2


<.)

~ § t:: 0 n.

.§

USN 15EI/BM44

Fourth Semester B. E Degree Examination, June/July 2017

Control System


1

2

3


Module-1

a. Define control system. Compare the open-loop and closed-loop control systems. (06 Marks)

b. Find the transfer function yis) of the system shown in Fig Ql(b). (04 Marks) F(s)

c. Write the differential equations governing the mechanical system shown in Fig Ql(c). Draw

the Torque-voltage analogous circuit and verify by mesh equation. (06 Marks) /

Fig Ql(b) Fig Q2(c)

OR

a. Name the analogous electrical elements for the elements of mechanical translational and

mechanical rotational systems. (04 Marks)

b. Obtain the closed loop transfer function C(s) of the system whose block diagram is shown R(s)

c.

in Fig Q2(b). v

Apply the rules of block diagram reduction for the following:

i) Blocks in parallel

ii) Moving take-off point before and later the block

iii) Elimination of feedback path

iv) Interchanging of summing points.

Module-2

(08 Marks)

Fig Q2(b)

(04 Marks)

a. List the properties of signal flow graph. (06 Marks)

b. Find the overall gain of system using Mason's gain formula for the signal flow graph shown

in Fig Q3(b). (10 Marks)

I of3


15EI/BM44

Fig Q3(b)

OR

4 a. Name and define static error co-efficients. (04 Marks)

b. For the system shown in Fig Q4(b ). Find the value of 'a' such that the damping ratio is 0.5.

Determine the rise time, Peak time, Maximum overshoot and settling time, in the unit step

response. (06 Marks)

Fig Q4(b)

c. The open loop transfer function of a unify feedback system is G(s) = -1-. Using

s+l

generalized error series determine the steady state error when the system is excited by

r(t) = 1 + t + t2

• (06 Marks)

Module-3

5 a. What is the necessary and sufficient condition for stability using Routh method? (04 Marks)

b. Using Routh criterian, find the stability of the system represented by the following

characteristic equation. if system is unstable determine the number of roots of characteristic

equation in right half of s-plane characteristics equation :

s6

+3s5

+5s4

+9s3

+8s2 +6s+4=0. (06Marks)

c. Determine the range of 'K' for stability of unity feedback system whose open loop transfer

function is G(s) K (06 Marks) s(s+ l)(s+2)

OR

6 a. State and explain the magnitude criterion and Angle criterian of Root locus technique.

b. The open -loop transfer function of a feedback system is

K G(s)H(s) = ? • Draw the complete root locus.

s(s+4)(s- +4s+20)

Module-4

(04 Marks)

(12 Marks)

7 a. Define frequency Response. Name the frequency domain specifications. Mention the

limitations of frequency response analysis. (06 Marks)

b. Plot the Bode diagram for the given transfer function and obtain the gain and phase cross

over frequencies G(s)= IO (10 Marks) s(I +0.4s)(I +O. ls)

2 of3


15EI/BM44

OR

8 a. What are the advantages of Nyquist plot? Mention the drawback of Nyquist stability

criterian. (06 Marks)

b. Sketch the Nyquist plot and assess the stability of closed loop system whose open-loop

transfer function is G(s) H(s) = ~(s + 4

). (to Marks) s (s + 1)

Module-5

9 a. Give the comparison between classical approach and state variable approach. (04 Marks)

b. Obtain the state model of the electrical circuit shown in Fig Q9(b). Current through inductor

and voltage across capacitor are output variables. (06 Marks) ,., ..!-

I

,--;-.,....,.----.-.,,---... t T

L. '1

_j. Fig Q9(b)

c. Obtain the transfer function of system

[ ::]=[ ~2 ~ 3] ::H~} ; x(O) =[:} y = [I oi[:J

OR

10 a. List the properties and significance of state transition matrix.

b. Obtain the STM [cp (t)] for the state model whose 'A' matrix is given by [ O -2

Laplace transforms approach.

(06 Marks)

(04 Marks)

1 ] . Use

-3

(06 Marks)

by y(s) ___ s

2 +?s+4 .

c. Transfer function of a control system 1s given . , Obtain state u ( s) s ·' + 2s · + 3s + 2

model. (06 Marks)

* * * * *

3 of3



..; .::! u C<l .... ..e,

C<l

8 ~

"O

~ <!) .... . ~

"' <!)

~.o C<l;::::: O..·-

..:4 a: §o - on ~II c:: 00

:§ ~ C<l 'SI" 8 . <!) bl) .... <!)

<!) c:: ..c:: <!)

- t:: c: ·c O a: ~ ~ c:: -:..::: .9 "'ci'i "' ::s O O" tl <!) - .... ~ -!2 0 "O

~§ ~ 5,..1

:s ~ C<l ::s .... _

"O C<l >-. >

- <!) ·c:: 0

0 -<ll-- C<l ::l <!)

0.. 0.. 8 0.. O C<l u •

c:: "' 0 .... ·-~ 13 "'i.;::; c:: ·-ce E .... <!)

::s "O 0 ·->-. 4-<

bl) 0 c:: bl)

·5 :§ - C<l 0.. <!)

8 > 0 ~ u >-. c:: c:: 0 <e: ,...;('l

~ 0 z ::: C<l t: 0 0..

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USN I I I I I I I I I I I 15BM45


Biomedical Transducers and Measurements


Note: Answer FIVE full questions, choosing one full question from each module .

Module-1

1 a. Explain characteristics of measurement system. (08 Marks)

b. Define noise. Discuss different types of noise present in measurement system. (08 Marks)

OR 2 a. Give transduction principle of displacement and position transducers. (12 Marks)

b. Write a note on calibration. (04 Marks)

Module-2

3 a. Define biopotential. Explain the phenomena of action potential. (10 Marks)

b. Discuss different electrodes used for ECG. (06 Marks)

OR 4 a. Define ECG. Draw a typical ECG waveform and explain causes for each wave and interval.

(08 Marks)

b. Define EEG. Discuss patterns of EEG. Give clinical applications. (08 Marks)

Module-3

5 a. Explain diaphragm displacement transducer with basic principles. (10 Marks)

b. Describe pressure telemetering capsule. (06 Marks)

OR 6 a. Explain the principle of L VDT. Give its applications. (08 Marks)

b. Define blood pressure. Explain oscillometric method of BP measurement. (08 Marks)

Module-4

7 a. Give construction and principle of thermocouple. (08 Marks)

b. Explain following terms: (i) Biosensors; (ii) Smart sensors. (08 Marks)

OR 8 a. What is clinical thermometer? Discuss different indwelling thermometer probes. (08 Marks)

b. Describe infrared thermography. (08 Marks)

Module-5

9 a. Give the construction and working principle of electromagnetic blood flow meter. (08 Marks)

b. Explain the blood flow measurement using Doppler imaging. (08 Marks)

OR 10 a. Discuss different methods of magnetic field excitation in electromagnetic flow meters.

(08 Marks)

b. Explain Fick's principle for measuring human cardiac output. (08 Marks)

* * * * *


.,


~ 0 z

USN


Scientific and Analytical Instrumentation


1

2

3

4

5

6


Module-1

a. Explain the major steps in solving an analytical problem.

b. Define spectroscopy. Explain the energy-level diagram for a diatomic molecule.

OR

a. What are the principal types of chemical instrumentation?

b. Explain the nature of electromagnetic radiation.

c. Write a note on vibration energy levels.

Module-2

a. Write notes on:

i) Dispersion,

ii) Resolution.

b. Explain gratings used as dispersive devices.

c. Explain with schematic interference filter.

OR

(08 Marks)

(08 Marks)

(04 Marks)

(08 Marks)

(04 Marks)

(04 Marks)

(08 Marks)

(04 Marks)

a. Discuss about the mmor and lenses used in ultraviolet and visible spectrometry

instrumentation. (06 Marks)

b. Explain the three different Littrow mounting configuration for wavelength selection. (10 Marks)

Module-3

a. Explain the schematic diagram of equipment for atomic fluorescence spectrometry (AFS). (08 Marks)

b. Discuss about the role of combustion flames in FES and AAS.

c. Write a note on Nebulization.

OR

(04 Marks)

(04 Marks)

a. Explain flame atomization processes for the salt MX. (07 Marks)

b. Write the applications of FES and AAS. (03 Marks)

c. Explain about atomic absorption measurements and results with a necessary figure. (06 Marks)

Module-4

i 7 a. Define chromatography. Explain the block diagram of a gas chromatograph. (07 Marks)

O b. Explain the circuit arrangement for measuring the changes in the resistance produced in the 0.

..§ Katharometer cell elements. (05 Marks)

c. Explain the thin layer amperometric detector. (04 Marks)

I of2


15EI/BM/ML46

OR 8 a. Discuss about the separation columns in HPL instrumentation. (07 Marks)

b. Explain the single type pump used in HPLC. (05 Marks)

c. Write the circuit diagram for measurement of area under the chromatographic peak. (04Marks)

Module-5

9 a. What is a blood gas analyzer? (02 Marks)

b. Write the circuit diagram for computation of:

i) Bicarbonate (HC03)

ii) Total C02

iii) Base excell. (06 Marks)

c. Explain the measurement of Ozone in air using the oxidizing properties of Ozone. (08 Marks)

OR

10 a. Explain the catheter tip electrode for measurement of p02 and pC02.

b. Explain the flow diagram for the measurement of total oxidants in air.

*****

2 of2

(08 Marks)

(08 Marks)

_,


B 0

z

~ 0

.§

USN I I I I I I I I I I I 10AL51

Fifth Semester B.E. Degree Examination, June/July 2017

Management and Entrepreneurship


Note: Answer any FIVE full questions, selecting at/east TWO questions from each part

1 a.

b.

2 a.

b.

3 a.

b.

4 a.

b.

5 a.

b.

6 a.

b.

7 a.

b.

c.

d.

8 a.

b.

PART-A

Define Management with list and explain the functions of Management. (10 Marks)

"Manager plays a vital role in an organization". Justify this statement with reference to

Interpersonal, Decision and Informational roles. (10 Marks)

State and explain importance of planning process. (10 Marks)

Elucidate on steps in Decision making with probable difficulties faced by Manager.

What are Committees? Explain the principles of committees.

Explain techniques of selection in detail.

(10 Marks)

(10 Marks)

(10 Marks)

Define Motivation. Mention characteristics and anticipated results of motivation. (10 Marks)

Describe essentials of Sound control system. (10 Marks)

PART-B

Briefly describe Entrepreneurship and list out types of Entrepreneurs. (10 Marks)

Enumerate on barriers faced by Women Entrepreneurs. (10 Marks)

Describe Small Scale industry, Ancillary industry and Tiny industry. (10 Marks)

Explain the impact of Liberalization , Privatization and Globalization on small scale

industry. (10 Marks)

Describe Single Window concept. (05 Marks)

Enumerate on functions of SISI. (05 Marks)

Explain the role of KSFC in setting up industries. (05 Marks)

Write on objectives ofNSIC. (05 Marks)

Explain the process of product identification and project selection. (10 Marks)

Discuss on essentials of project appraisal. (10 Marks)

*****





8086 Microprocessor & Peripherals


1

2

3

4

5

6

7

8

Note: Answer FIVE full questions, selecting

at least TWO questions from each part.

PART-A

a. With a neat block diagram, explain 8086 architecture.

b. With a neat sketch, explain the minimum mode operation of 8086.

(10 Marks)

(10 Marks)

a. What is addressing mode? Describe the different addressing modes of 8086 with examples.

b. Explain the following instructions of 8086 with examples: (10 Marks)

(i) DAA (ii) SCAS (iii) LOOP (iv) XCHG (v) XLAT (10 Marks)

a. Explain the following assembler directives:

(i) PUBLIC (ii) OFFSET (iii) ENDP (iv) EVEN (v) PTR(lO Marks)

b. (i) Write an assembly language program to find the largest number in an array of length 5.

(ii) Write an ALP to count number of ones and zeros present in a given number. (10 Marks)

a. Explain the stack structure of 8086.

b. What is a macro? Explain with examples.

c. Explain the generation of delays using microprocessor based system.

PART-B

a. Discuss the modes of operation of 8255.

(06 Marks)

(04 Marks)

(10 Marks)

b. With figures, explain the stepper motor interfacing with 8086 microprocessor.

(10 Marks)

(10 Marks)

a. Describe the operating modes of 8253.

b. Explain the architecture and description of 8259A.

a. With a neat block diagram, explain the 8251 the USART chip.

b. Explain the function of the following signals of DMA controller 8257:

(i) IOR (ii) HRQ (iii) MARK (iv) AEN (v) TC

a. Explain the internal block diagram of 80286 with a schematic.

b. Explain the following 80286 signals:

(i) PEACK (ii) INTR (iii) ERROR (iv) BUSY

* * * * *

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(v) LOCK (10 Marks)


_,I

!· j( • '·'.

·.f'

i

""'·-'




Signals and Systems


1

2

3

4



PART-A

a. Explain the below mentioned operations performed on signals. Give one example each.

i) Amplitude scaling ii) Differentiation iii) Time scaling vi) Time shifting. (04 Marks)

b. Determine whether the discrete-time signal is periodic. if periodic find its period

x(n) = co{±nn )sm(±nn). (06 Marks)

c. Determine whether th system y( t) = x( ± }s i) Linear ii) Time invariant iii) Memory

iv) Causal v) Stable. (10 Marks)

a. Consider a LTI system with unit impulse response, h(t) = e-t u(t), if input applied to this

system is x(t) = e-3t {u(t)-u(t- 2)}. Find output of system y(t) plot the output signal.

(05 Marks)

b. Find the step response for LTI system represented by impulse response h(n) = ( 1 )" u(n).

(05 Marks)

c. A continuous time LTI system is represented by impulse response, h(t) = e41tl_ Determine

whether it is i) stable ii) causal. (10 Marks)

a. Describe the differential equation representation for continuous time Linear time invariant

systems. (08 Marks)

b. Find the zero state response for the system described by difference equation

5 1 y(n) - -y(n -1) +-y(n - 2) = x(n). where forced function x(n) = 2° ; n > 0 and zero

6 6

elsewhere. (08 Marks)

c. Draw the direct Form - I and Form - II Block diagram for the second order system given by

y(t) = -a 1y1 (t)- a 0y2(t) + b

2x(t) + b

1x 1 (t) + b

0x 2 (t). (04 Marks)

a. Define Discrete time Fourier series representation of signals. And state and prove the below

mentioned DTFS' properties. i) Linearity ii) Frequency shift. (10 Marks)

b. Obtain the DTFS coefficients of x(n) = cos(6

7t n + n). Draw magnitude, phase and power 13 6

density spectrum. (10 Marks)

1 of2


5

f"- r.) '!:, ,.,i

10BM53

PART-B

a. The impulse response of a continuous time LTI system is given by h(t) = -1-e;~u(t).Find

RC

frequency response and plot magnitude and phase response. (10 Marks)

b. For the signal x(t) shown in Fig Q5(b). Find the Fourier Transform and draw in magnitude (10 Marks)

~ J\J. I -7 \--

- 1. -~ -I I s- !.

Fig Q5(b)

6 a. Define z-transform. List the properties of Region of convergence. (06 Marks)

(

l )lnl b. Find z-transform of x(n) =

2 and find ROC.

c. Find inverse z-transform of x(z) = 1

_3

;lzl > I. 1-z

7 a. A causal L TI system is described by difference equation

(06 Marks)

(08 Marks)

y(n) = y(n -1) + y(n - 2) + x(n -1). Find the system function H(z) plot poles and zeros and

indicate the ROC. Also determine the impulse response of system. (10 Marks)

b. Solve the following difference equation using unilateral z-transforrn.

y(n) _ i y(n -1) + _!__ y(n - 2) = x(n) for n ~ 0 with 2 2

y(-1)=4, y(-2)=10and x(n)=(±J u(n). (10 Marks)

8 a. Discuss on Basic cascade and direct form structures for IIR system. (10 Marks)

b. The transfer function of a discrete causal system is given by H(z) = 1: z-' _

2 1-0.2z -0.15z

i) Find the difference equation

ii) Draw cascade and parallel realization. (10 Marks)

* * * * *

2 of2



Time: 3 hrs. Max. Marks: I 00

Note: Answer any FIVE full questions, selecting

atleast TWO questions from each part.

PART-A

1 a. State and explain Moore's first law.

available technologies.

Add a note on speed and power performance of

b. List the main steps in a typical n-well process.

c. Compare CMOS and bipolar technologies.

(06 Marks)

(06 Marks)

(08 Marks)

2 a. Give the expression for threshold voltage Vt of MOS transistor. Explain body effect of

nMOS device. (10 Marks)

b. Discuss all the possible arrangements of pull-up transistors with their transfer characteristics. (10 Marks)

3 a. Write a detailed note on all the configurations of BiCMOS inverters.

b. What is latch up in CMOS circuits? Explain latch up effect with circuit model.

4 a. Give the details of nMOS design style with an example.

b. Explain the lambda-based design rules for wires, contacts and transistors.

PART-B

5 a. Obtain the expression for sheet resistance Rs using sheet resistance model.

b. Derive the expression for delay unit 't using the model.

c. Explain the sources of wiring capacitances.

6 a. Give the scaling factors for the following device parameters :

i) Gate capacitance, Cg

ii) Channel resistance, Ron

iii) Maximum operating frequency, fo

iv) Switching energy per gate, Eg.

b. With figures, explain the properties of pass transistors and transmission gates.

c. Write a note on switch logic implementation of four - Way multiplexer.

7 a. Illustrate the various steps of subsystem design process.

b. Discuss the implementation of ALU functions with an adder.

8 a. List the ground rules for subsystem and leaf cell design.

b. Explain the various process in sensitized path based testing.

c. Describe the CAD tools used for design and simulation.

*****

(12 Marks)

(08 Marks)

(10 Marks)

(10 Marks)

(05 Marks)

(07 Marks)

(08 Marks)

(08 Marks)

(06 Marks)

(06 Marks)

(10 Marks)

(10 Marks)

(07 Marks)

(06 Marks)

(07 Marks)


t. I. \'•

~- _,. i

"·


OJ

0 z

a t: 0 0.

.§

Sixth Semester B.E. Degree Examination, June/July 2017

Communication Systems

10BM61

Time: 3 hrs. Max. Marks:100

Note.: Answer any FIVE full questions, selecting at/east TWO '!uestions fmm each part

1

2

3

4

5

6

7

8

PART-A

a. What is Coherent detection of DSBSC wave? Explain how it is achieved by Costas loop.

(lO Marks)

b. Show with relevant diagrams and equation of an AM modulation when carrier ampli~ude is

large. (JO Marks)

a. Briefly explain phase dis.::riminr.tion metl1cd for generating an SSB modulated ,.vave.

b. Explain Envelope detection ofVSB wave plus carrier.

(JO Marks)

( IO J\1arks)

a. Show that wide band freqL,ency modulation has infinite side bands. 110 Marks)

b. Explain ~he Arm strong method of FM generation with the 11dp of neat block diagram and

necessary phase diagrams. (IO Marks)

a. Explain how a PLL can be used for detection of FM wave. , (IO Marks)

b. What is the necessity of pre - emphasis and de - emphasis netwlJrks in• an Fl\f.·system? (06 !\"larks)

c. Explain FM stereo multiplexing. (04 Marks)

PART-B

a. Describe adaptive delta modulation. How it overcomes th.:: limitation in delta modulation?

(IO Marks)

b. Explc\in the working principle of DPCM. (!O l\'larks)

a. State Sam9ling theorem for Band pass signals. What is the minimum sampling frequency

reqvired? (JO Marks)

b. With ueat diagram, explain the generation and detection of PAM. ( 10 Marks)

a. Explain the base - band M - array signals.

b. Discuss Correlative coding and eye pattern.

(JO Marks)

( IO Marks)

a. With neat diagram; explain multichannel wireless telemetry systems. l 10 Marks)

b. With an example, explain the transmission of analog physiological signals over telephone.

(JO Marks)

*****



;:l 0 z E 5 .... 0 0.

.§

USN I I I I I· I I I I I I 10BM62

C++ and Data Structures


1

2

3

4

5

6

7



PART-A

a. Explain function prototyping with an example.

b. Discuss inline functions with example.

c. Describe the concept of data abstraction.

a. With an example, discuss creation of arrays of objects.

b. Write a note on namespaces.

c. Explain the allocation of dynamic memory for the following statements:

i) int*iptr ;

ii) iptr = new int ;

iii) * iptr = I O ;

iv) cout << *iptr << end[ ;

a. Describe parameterized constructors.

b. Discuss the effects of inheritance.

c. Discuss any one of deriving by different access specifiers.

a. List the rules for operator overloading.

b. Describe class templates.

c. Give the limitation of exception handling.

a.

b.

c.

a.

b.

c.

PART-B

Discuss formula based data representation.

Explain chain iterator class with respect to linked representation.

Explain the insertion into an indirectly addressed list.

Define STACK. Explain abstract data type stack.

Write the program that defines a linked stack that derives from the class chain.

Discuss application of STACK on switch box routing problem.

(07 Marks)

(07 Marks)

(06 Marks)

(06 !\larks)

(06 Marks)

(08 Marks)

(07 Marks)

(07 Marks)

(06 Marks)

(06 Marks)

(08 Marks)

(06 Marks)

(06 Marks)

(07 Marks)

(07 Marks)

(07 Marks)

(06 Marks)

(07 Marks)

a.

b.

Define QUEUE. Discuss formula based representation of the QUEUE. (10 Marks)

With an example of image component labeling, explain the application of queue. (10 Marks)

8 a. Discuss the properties of binary trees. (10 Marks)

(05 l\larks)

(05 :\larks)

b. Explain the operations performed on matrices.

c. Write a note on special forms of square matrices.

* * * * *


-.. .,,, . . , :....~-~ d:


2:! 0

z c '°

USN I I I I I I I I I I I Sixth Semester B.E. Degree Examination, June/July 2017

Digital Signal Processing and Applications


Note: Answer any FIVE full questions, selecting atleast TWO questions from each part:.

1

2

3

4

PART-A

a. Discuss the frequency domain sampling and hence represent the Discrete Fourier Transfonn

as a Linear Transformation. (08 Marks)

b. Compute the OFT of the following finite length sequence of length N. x(n) = u(n)- u(n-N). (06 Marks)

c. Find the Z- transform of the sequence x(n) = {0.5, 0, 0.5, O}. Using Z - transform and from

result find its OFT. (06 Marks)

a. Prove the circular time shift property of a OFT. (06 !\larks)

b. Find the circular convolution of the given sequences

x3(m)=x 1(n)@xi(n),givenx 1(n)= {2, 1,2, l} andx2(n)= {l,2,3,4}. ! !

(06 Marks)

c. Consider the finite duration sequence x(n) = ; I 2 3 4 5}

i) Sketch the sequence S(n) with 6 - point OFT S(k) = W; x(k).

ii) Detennine the sequence Y(n) with 6 - point OFT Y(k) = Re{x(k)}. (08 Marks)

a. Use the 8 - point radix - 2 DIT - FFT algorithm to find the OFT of the given sequence

x(n) = {0.707, 1, 0.707, 0, -0.707, -1, -0.707, O}. (IO Marks)

b. With reference to windowing the signal, explain leakage phenomenon. (OS Marks)

c. Explain the first stage of decimation in frequency FFT algorithm with the help of a neat

sketch. (05 Marks)

a. List out the differences between OIT - FFT and DIF - FFT algorithm. (04 Marks)

b. What is Speed improvement factor in calculating 64 - point OFT of a sequence using dire;ct

computation and FFT algorithm? Also mention the number of real registers required.

c. i) Using OIF - FFT algorithm, compute OFT of the sequence

x(n) = { 1, 2, -1, 2, 4, 2, -1, 2}.

ii) If x2(n) = x1 (-n) without pcrfonning FFT, find xz(k) using x1(k).

PART- B

(06 !\larks)

(08 Marks)

(02 Marks)

~ 5 a. Design a Linear phase FIR filter using frequency sa1npling. (08 Marks) 0.

..§ b. Design a FIR Linear phase filter using Kaiser window to meet the following specifications :

0.9::: JH(e.i")I::: 0.1 , 0::: Jwl:::: O. l 9rr

JH(ei"')I ::: 0.0 I . 0.21 rr :S Jwl::: rr. (12 Marks)

I of2


,·· 10BM63

6 a. Design the impulse invariant transformation. Using this transformation, obtain the digital

filter equivalent of the following filter. Assume the sampling rate Fs = 8Fc, where Fe is cut

off frequency of the analog filter. (08 Marks}

~~-\-t-t_1 _ __,' ~r-~. --j~,-JL---n~ ~Ctl

RC Filter

b. Describe the I I R filter design by Bilinear Transformation. Also explain the mapping from

S - plane to Z - plane. (12 Marks)

7 a. Design a digital I I R low pass Butter worth filter that has a 2dB passband attenuation at a

frequency of 300rcrad/sec and atleast 60dB stop band attenuation at 4500 1t rad/sec. Use

backward difference transfonnation. (10 Marks)

b. Determine the order of a Chebyshev -digital lowpass filter to meet the following

specifications. In the pass band extending from O to 0.25n , a ripple of not more than 2d8 is

allowed. In the stop band extending from 0.4rc ton:, attenuation can be more than 40d8. Use

Bilinear transfonnation method. (06 Marks)

c. Give any four differences between I I R and FIR filter. (04 Marks)

8 a. Discuss the process of Analysis of Arithmatic Round - off errors.

b. W1ite about Digital FM stereo generation.

*****

2 of2

'

(10 Marks)

(10 Marks)



Sixth Se1nester B.E. Degree Examination, June/July 2017

Analytical and Pharmaceutical Instrumentation


1

2

3

4

5

6

7

8

Note: Answer FIVE full questions, selecting at least TWO questions from each part.

PART-A

a. State and explain Beer-Lambert law.

b. Discuss various components of an absorption instruments.

c. Write a note on microprocessor based spectrophotometer.

a. Discuss about source of radiation used in IR spectrophotometers.

b. Explain principle of flame photometry.

c. \Vrite a note on atomizer.

a. Explain following terms:

i) Photoluminescence

ii) Fluorescence

iii) Chemiluminescence

iv) Bioluminescence

b. Describe the operation of double beam filter fluorimeter.

c. Write a note on Raman effect.

a. Describe the principle of operation of a mass spectrometer.

b. With a schematic, describe high resolution NMR spectrometer.

PART-B

a. Describe the operation of a segmented continuous flow system.

b. Explain the working principle of micro-channel bioanalyser.

a. What is gas chromatography? With schematic describe gas chromatography.

b. Explain the flow measurement and control system of liquid chromatograph.

(06 ]\larks)

(10 Marks)

(04 Marks)

(08 Marks)

(08 l\farks)

(04 Marks)

(08 Marks)

(08 Marks)

(04 Marks)

(08 Marks)

(12 \larks)

(12 !\larks)

(08 Marks)

(l() Marks)

(10 !\larks)

a. What is electrophoresis? Give the functional description of electrophoresis power supply. (10 Marks)

b. Explain microprocessor based densitometer. (10 Marks)

a. Briefly discuss the followings:

i) pH meter

ii) Ion-selective electrode

b. Explain the followings:

i) B iosensor

ii) Blood gas analyzer

(10 Marks)

( 10 \larks)

* * * * *





Clinical Instrumentation - II


1

2

3

4

5

6

7

8



PART-A

a. Define memory. Explain the types of memory.

b. Describe the mechanism of speech and language. List the disorders of speech.

c. Write a note on computed Tomography.

a. Name the techniques involved in EEG.

b. With block diagram, explain visual and auditory evoked potential system.

c. \\Trite short notes on :

i) Generalized Epilepsy ii) Jolly Test.

a. Define fracture. Explain the classifications of fracture.

b. Discuss the methods of reduction in fracture treatment.

c. Give the indications for the application of external fixator.

a. List the basic functions and composition of synovial fluid.

b. Define osteoarthritis. Explain the causes and treatment of osteoarthritis.

a.

b.

c.

PART-B

Give the classifications of flow measurement techniques.

Explain the different methods of increasing vaporization rate in a vaporizer.

Define absolute humidity. Name the most commonly used humidifiers.

(07 Marks)

(08 Marks)

(05 Marks)

(04 Marks)

(06 Marks)

(10 Marks)

(07 Marks)

(06 Marks)

(07 Marks)

(08 Marks)

(12 Marks)

(05 Marks)

(10 Marks)

(05 Marks)

a. What is filling ratio? With diagram, explain the component parts of oxygen concentrator.

b.

c.

a.

b.

c.

a.

(06 Marks)

Write a note on medical compressed air and compressed air plant. (08 Marks)

Give the criteria's required for oxygen failure warning devices fitted to anesthetic machines. (06 Marks)

Define Ergonomics. Discuss the principle of servo controlled loop. (O:" Marks)

Define apparatus dead space. List the classification of breathing system. (05 Marks)

Write a detailed note on Mapleson D system with spontaneous and controlled ventilation.

Explain the working principles of the following with figures and equations:

i) Galvanic oxygen fuel cell

(10 Marks)

ii) Polariographic oxygen analyzer. (08 Marks)

b. What is Raman scattering? With block diagram, explain the working principle of Raman

anesthetic gas monitor. (06 Marks)

c. Discuss the layout of anesthetic room. (06 Marks)

* * * * *



a)

0 z c "' t 0 c.. 2



Biomaterials and Artificial organs


1

2

3

4

5

6



PART-A

a. Define Biomaterials. Give the classification of biomaterials. (12 Marks)

b. Explain the characteristics of Titanium and its alloys. Give the applications of shape

memory alloys. (08 Marks)

a. Explain various non absorbable bioceramics. Give their applications.

b. Describe the following polymeric biomaterials.

i) PVC (poly vinyl chloride)

ii) PE (polyethylene)

iii) PMMA ( Poly methyl metha crylate)

(10 Marks)

(IO Marks)

a. Explain Glycolide based Homopolymers and Aliphatic polyesters based co-monomers. (10 Marks)

b. Describe the biotechnology of collagen. (10 Marks)

a. Describe different fixation methods of joint replacements. (10 Marks)

b. Explain freez thaw technology and vitrifications methods of preservation ofbiomatcrials.

PART-B

a. Explain the six phases of evaluation process on an artificial organ.

b. Explain different categories of vascular prosthesis.

(IO Marks)

(12 Marks)

(08 Marks)

a. Describe the engineering concerns and Hemodynamic assessment of prosthetic heart. (10 Marks)

b. Explain different types of mechanical valves with neat diagrams. (IO Marks)

7 a. Discuss different types of dialyzers used Artificial kidney.

b. Explain Hemoglobin based artificial blood.

(12 Marks)

(08 Marks)

8 a. Discuss the various procedures and devices of Liver support systems.

b. Describe servo - controlled insulinc delivery systems.

* * * * *

(IO Marks)

(IO Marks)


.. : :!:_--.:


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USN I I I I I I I I I I I Sixth Semester B.E. Degree Examination, June/July 2017

Hospital Design Planning and Management

lOBl\1665




PART-A

1 a. Describe the intramural and extramural function of hospital.

b. Explain: i) Components of a hospital system

ii) Elements of primary health care.

2 a. Explain the guiding principles to be followed in planning the hospital building.

b. Mention the factors influencing hospital utilization.

3 a. Explain the role and functions of infection control committee.

b. Describe the steps involved in evaluation.

4 a. Discuss the requirement of:

i) Operation theatre ii) Radiation therapy unit.

b. Explain the function of clinical laboratories.

PART-B

5 a. Explain the function of clinical engineer.

b. Describe the design elements of an electrical system.

6 a. Discuss major functions of engineering department.

b. Explain the hospital safety rules.

7 a. Describe the functions of the admitting department.

b. Discuss the functions of medical records departments.

8 Write short notes on :

a. Pharmacy services

b. Bomb threat alarm system

c. CSSD

d. Food service department.

* * * * *

(IO Marks)

(05 Marks)

(05 Marks)

(10 Marks)

(IO Marks)

(IO Marks)

(I() Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(IO Marks)

(10 Marks)

(05 i\farks)

(05 Marks)

(05 !\larks)

(05 '.\larks)


,,• ..... ,~:.~

·. ,-., ~



Seventh Semester B.E. Degree Examination, June/July 2017

Computer Communication and Healthcare Networks


Note: Answer any FWE full questions, selecting at/east TWO questions from each part

1

2

3

4

5

6

7

8

PART-A

a. Explain different types of information in health care networks.

b. Explain different identifier standards in health care networks.

c. With neat diagram, explain the OSI reference model.

a. Define Computer Networks. Explain the architecture of the internet.

b. 1) Write note on X.25 and Frame relay networks.

2) Define the terms (functions) of the following in ATM Reference model :

plane ii) User plane iii) ATM adaptation layer iv) Physical layer.

a. Explain i) Co-axial cable ii) Radio wave transmission.

b. Explain Nyquist and Shannon's theorem.

(04 Marks)

(04 Marks)

(12 Marks)

(10 Marks)

(06 Marks)

i) Control

(04 Marks)

(12 Marks)

(08 Marks)

a. Explain the four different methods which mark the timing of start and end of each frame. (10 Marks)

b. Explain the different phases that a line goes through when it is brought up and taken down. (10 Marks)

PART-B

a. Define Aloha. Explain pure and slotted aloha.

b. Explain the three different kinds of Ethernet cabling.

a. Explain Bluetooth architecture.

b. Explain virtual network, with example.

c. Show how frame is built by different layers.

(10 Marks)

(10 Marks)

(08 Marks)

(08 Marks)

(04 Marks)

a. Explain with example the shortest path algorithm. (10 Marks)

b. Explain leaky bucket algorithm. List the advantages of token bucket algorithm over leaky

bucket algorithm. (10 Marks)

a. Explain the need of multiplexing in transport layer.

b. With neat sketch, explain the TCP header segment.

*****

(08 Marks)

(12 Marks)



Q)

0 z

I 1

USN I I I I I I I I I I I

Biomedical Digital Signal Processing


1

2

3

4

5

6

7

8


at least TWO questions from each parl

PART-A

a. With a neat block diagram, explain the computer aided diagnosis and therapy based upon

biomedical signal analysis. (10 Marks)

b. Discuss the various challenges in biomedical signal acquisition and analysis. (10 Marks)

a. Explain the concept of spectral error measure with fixed and moving window aspects. (10 Marks)

b. Describe Markov chain with its state diagram and corresponding transition matrix. (10 Marks)

a. Write the typical cardiac cycle and its constituents. Brief on the real time QRS detection

algorithm with block diagram. (10 Marks)

b. Explain the concept of cancellation of material ECG in fetal ECG. (10 Marks)

a. Describe the turning point data compression algorithm with various signs of pattern and

flow chart. Give its merits and demerits. (10 Marks)

b. Explain FAN algorithm. Give its advantages and disadvantages. (10 Marks)

PART-B

a. Explain the different windows of MATLAB and their usage. (10 Marks)

b. Discuss about built in functions and user defined functions in MATLAB with example.

a. List the types of data and

expressions for MATLAB.

b. Explain the following:

i) Differentiation

ii) Intergration

iii) Limits

iv) Taylor series

v) Sums and products

(10 Marks)

their classes m MATLAB. Explain about functions and

(10 Marks)

(10 Marks)

a. With relevant examples, discuss about two dimensional expressions and three dimensional

plots. (10 Marks)

b. What are the special effects can be added to graphs in MATLAB? Give their applications in

biomedical signal processing. (10 Marks)

a. Explain about branching and looping in MATLAB with example. (10 Marks)

b. Explain the concept of interacting operating systems and programming commands with

c. example. (10 Marks)

* * * * *



E 0

z

I 0

.§

USN 10BM73


1

2

3

4

5

6

7

8



PART-A

a. Define the following :

i) Unit cost ii) Time - to - prototype iii) Latency iv) Throughput

b. Write a note on IC technology in design of a process.

c. With block diagram, explain the software development process.

a. Discuss the different RT - level combinational components with figures.

b. Build the following gates using minimum number of CMOS transistors

i) 3 input NAND gate ii) 2 input OR gate.

v) Technology. (05 Marks)

(07 Marks)

(08 Marks)

(10 Marks)

(10 Marks)

a. Explain the templates that are used to convert a program to FSMD. (06 Marks)

b. With a schematic, explain the hardware controlling of stepper motor using a driver. (04 Marks)

c. Given an analog output signal whose voltage should range from Oto 15V and an 8-bit digital

encoding, provide the encoding for 5V. (10 Marks)

a. Explain the external block diagram and internal view of 8x4 ROM. (08 Marks)

(12 Marks) b. With figure, explain the different cache mapping technique.

PART-B

a. Compute a signed fixed point product from an unsigned product. Give

representation.

its graphical

(08 Marks)

(04 Marks)

(08 Marks)

b.

c.

a.

b.

c.

a.

b.

c.

a.

b.

c.

What are the advantages and disadvantages of floating point representation?

Define structures. Explain with an example.

Describe the fetch execute cycle of control unit.

Give the types of instruction operands of the Intel processor.

Discuss the situation that exits when memory data is accessed.

(08 Marks)

(08 Marks)

(04 Marks)

Explain context switching in preemptive and non-preemptive systems. (08 Marks)

With figures, explain the thread states in preemptive and non-preemptive Kernel. (08 Marks)

List the different states of a thread. (04 Marks)

Discuss automatic memory allocation. Add a note on its advantages and disadvantages.

Explain the mechanisms that allow sharing of objects data.

Show how the local static objects can be modified using functions?

* * * * *

(06 Marks)

(06 Marks)

(08 Marks)



USN I I I I I I I I I I I Seventh Semester B.E. Degree Examination, June/July 2017

Medical Image Processing


Note: Answer any FIVE full questions, selecting at/east TWO questions from each part.

1

2

3

4

5

6

7

8

a.

b.

c.

a.

b.

a.

b.

a.

b.

c.

PART-A

Explain Sampling and quantization in digital images. (08 Marks)

Explain i) Spatial resolution and effect ofunder sampling in digital image processing

ii) Gray level resolution and its effect. (06 Marks)

Explain the different types of adjacency, with an example. (06 Marks)

Explain the following Image enhancement techniques highlighting their significance :

i) Gray level slicing ii) Bit - plane slicing iii) Power - law transfonnation. (10 Marks)

Explain Histogram equalization technique for image enhancement. (10 Marks)

Explain Smoothing Spatial filter and discuss about their application.

Explain Second derivatives I Laplacian operators for image sharpening.

Give the basic steps used for filtering in frequency domain.

Explain ideal highpass frequency domain filters.

Explain the following properties of2 - D Fourier Transform :

i) Translation ii) Distributivity and Scaling.

PART-B

(10 Marks)

(10 Marks)

(06 Marks)

(10 Marks)

(04 Marks)

a. With block diagram, describe a general compression system model. (10 Marks)

(10 Marks) b. With a suitable example, explain Huffman coding technique.

a. With respect to image segmentation, explain gradient operators for edge detection.(10 Marks)

b. What is Global thresholding? Explain Global thresholding technique. (10 Marks)

a. Explain Pseudo color image processing techniques.

b. Explain Smoothing and Sharpening of color images.

c. Briefly explain Color slicing.

(08 Marks)

(08 Marks)

(04 Marks)

a. Explain Color Image Segmentation in RGB vector space. (08 Marks)

b. Discuss in detail about image reconstruction using parallel beam filtered back projections. (12 Marks)

*****



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Seventh Semester B.E. Degree Examination, June/July 2017

Medical Informatics

Time: 3 hrs.

Note: Answer any FIVE full questions, selecting

at/east TWO questions from each part.

PART-A

Max. Marks: 100

1 a. Elaborate the term medical informatics. Write a brief note on the origin of this term.

2

3

4

5

6

b. Write a brief note on bio-informatics.

c. Highlight the various contents of medical informatics.

a. Explain the term HMIS. Highlight its need and benefits.

b. Highlight the pre-requisites for HMIS.

c. Write a note on disaster management plan.

Explain the following hospital management and information modules:

a. In door ward module

b. Pathology laboratory module.

Write brief on the following :

a. Operation theatre module

b. Pharmacy module.

PART-B

a. Explain the rational for using expert system.

b. Highlight the ideal features of CPR.

a. Explain following term:

Tele - education

Tele - mentoring.

b. Highlight the merits and demerits of computer assisted surgery.

7 a. Describe the need for virtual environment.

b. Explain the different categories of simulators.

8 a. Mention and explain few applications of Tele medicine.

b. What is Tele-surgery? Mention its disadvantages.

* * * * *

(06 Marks)

(07 Marks)

(07 Marks)

(08 Marks)

(06 Marks)

(06 Marks)

(20 Marks)

(20 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)

(10 Marks)



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USN I I I I I I I I I I I Seventh Semester B.E. Degree Examination, June/July 2017

Ergonomics


Note:

1 a.

b.

2 a.

b.

3 a.

b.

Answer any FIVE full questions, selecting at/east TWO questions from each part

PART-A

Explain briefly : i) Sources of energy ii) Roles of glucose, fat and protein

iii) Oxygen debt iv) Blood supply. (10 Marks)

With the help of suitable sketch, list and explain the seven practical guidelines for work

layout. (10 Marks)

What do you mean by Anthropometry? Explain the methods for static Anthropometric

measurements. (10 Marks)

Define 'Reach' and 'Clearance' dimensions in regard to work place design. Discuss the

steps in which a work place is designed. (10 Marks)

Define Heavy work. Summarize the important ways in which skilled work can be made

easier. (10 Marks)

Explain the design considerations of work station in the below mentioned cases :

i) Inclined work surface ii) Recommended heights of bench for standing work

iii) Horizontal grasp at table top level iv) Comfortable head position. (10 Marks)

4 a. What is Mental Activity? How it is categorized? Explain the working of brain. (10 Marks)

5

6

7

8

b. Define the man - machine system and explain how it works with a suitable diagram.

a.

b.

a.

b.

a.

b.

a.

b.

Mention its components. (10 Marks)

PART-B

Explain the principles of Job design in detail. (10 Marks)

Explain the external causes and personal factors which give rise to feelings of boredom. (10 Marks)

Define Frequences, Pitch and Loudness of sound. Briefly discuss on noise and its sources. (10 Marks)

What is meant by Vibration? What are the physiological effects of vibration on human

body? (10 Marks)

Mention the recommended Ergonomic guidelines for indoor comforts. (10 Marks)

Explain how heat balance is achieved to maintain the physiological control of the body with

neat diagram. (10 Marks)

List and explain the applications of Ergonomics in electronic equipment design. (10 Marks)

Highlight the effects of deviations from a comfortable working environment. (10 Marks)

*****



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Eighth Semester B.E. Degree Examination, June/July 2017

Database Management System


1

2

3

4

5

6

7

8



PART-A

a. What are the strategies for HIS?

b. Write note on: i) CPR, ii) COSS.

c. Describe the structure of a DBMS with a neat block diagram.

a. Discuss the role of a high level data model in the database design process.

b. Discuss the conventions for displaying an ER schema as an ER diagram.

(05 Marks)

(05 Marks)

(IO Marks)

(10 Marks)

(IO Marks)

a. Discuss the DIVISION operation. How it is represented and what are the requirements of the

numerator and denominator relations? Explain with an example. (10 Marks)

b. What role does the concept of foreign key play when specifying the most common types of

meaningful join operations? (IO Marks)

a. How does SQL allows implementation of entity integrity and referential integrity

constraints? (10 Marks)

b. Explain the commands used to modify the database in SQL. (10 Marks)

PART-B

a. What is the lossless (or non-additive) join property of a decomposition? Why is it important? (10 Marks)

b. Define fourth normal form. When is it violated? Why is it useful? (10 Marks)

a. Discuss what is meant by each of the following terms:

Database authorization, access control, data encryption, privileged account. (IO Marks)

b. What is the difference between discretionary and mandatory access control? (10 Marks)

a. Explain the following terms: Transaction, granularity, concurrence, dirty read, serializability

and ACID properties of transaction. (IO Marks)

b. What is a serial schedule? What is a serializable schedule? Why is a serial schedule

considered correct?

a. What is the two-phase locking protocol? How does it guarantee serializability?

b. Describe the three phases of the ARIES recovery method.

* * * * *

(IO Marks)

(10 Marks)

(IO Marks)



USN I I I I I I I I I I I



PART-A

1 a. With a typical X-ray spectrum. Explain the white radiation and characteristic radiation

em1ss1on. (05 Marks)

b. With a neat diagram, explain the line focus principle of x-ray generation. (05 Marks)

c. Explain the function of different x-ray beam restrictors and Grids with neat diagrams. (10 Marks)

2 a. What are the limitations of conventional x-ray? Explain the working principle of

conventional tomography with a neat diagram. (08 Marks)

b. Illustrate the working of dual energy substraction technique with necessary diagram. (06 Marks)

c. Explain the biological effects of Ionizing radiation. (06 Marks)

3 a. Explain the following ultrasonic transducer beam characteristics.

i) Huygens principle ii) Beam profile

iii) Axial and Lateral Resolution iv) Focusing and Arrays. (12 Marks)

b. What is piezoelectric effect? Explain the ultrasonic transducer with neat diagram. (08 Marks)

4 a. With neat block diagram. Explain the principle and working of the following ultrasonic

5

6

7

8

diagnostic methods. i) A or Amplitude Mode ii) M or Motion Mode. (12 Marks)

b. Discuss the tissue characterization by using the following methods.

a.

b.

c.

a.

b.

c.

a.

b.

a.

b.

i) Velocity ii) Attenuation or absorption iii) Scattering. (08 Marks)

PART-B

With a schematic diagram. Explain the physical construction and working of a nuclear

radiation scintillation detector. (08 Marks)

With a block diagram. Explain the working of electronic processing unit used in gamma

camera. (08 Marks)

Explain the differences between reconstruction of x-ray and SPECT technic. (04 Marks)

Discuss the pulse sequence used to measure relaxation times in MRI. (09 Marks)

Explain the free induced decay (FID) with a neat diagram. (05 Marks)

Discuss the spin lattice and spin-spin relaxation times. State their significance in MRI

Explain the generation and detection ofNMRI signal with a block diagram.

Discuss the Spin - Echo method of NMRI Imaging.

(06 Marks)

(10 Marks)

(10 Marks)

Explain the working of thermography unit with a neat block diagram of scanning and

displaying arrangements of IR imaging.

With block diagram, explain the pyroelectric Vidicon camera.

* * * * *

(10 Marks)

(10 Marks)



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USN I I I I I I I I I I I Eighth Semester B.E. Degree Examination, June/July 2017

Laser and Optical Fibers in Medicine


1

2

3

4

5

6

7

a.

b.

c.

a.

b.

c.

a.

b.

c.

a.

b.

c.


PART-A

Discuss the stimulated emission and Amplification in a laser with a neat sketch. (08 Marks)

Explain carbondioxide laser under the principles of medical laser. (06 Marks)

Explain any two aspects of laser safety. (06 Marks)

Enlist and explain any six applications of thermal interaction between laser and tissue. (06 Marks)

Discuss luminescence and fluorescence of materials with a sketch showing luminescence,

fluorescence, delayed fluorescence and phosphorescence. (08 Marks)

Write about, Laser photo-thermal effects with supportive examples. (06 Marks)

Discuss the laser assisted diagnosis of cancer and plague in cardiology.

Write a note on laser welding of tissues.

With the help of neat sketches, explain the optimum condition for laser surgery.

(08 Marks)

(04 Marks)

(08 Marks)

What is Snell's law? Explain the transmission of light in optical fibers. (10 Marks)

Write about the following under optical properties of optical fibers.

i) Skew ray's ii) Numerical aperture iii) Bending losses. (06 Marks)

Derive an expression for fiber acceptance angle and numerical aperture of step index fiber. (04 Marks)

PART-B

a. Discuss the scientific limitations for image transmission through ordered fiber optic bundles. (10 Marks)

b. Describe the new optical methods that make use of imaging fiber optic bundles. (10 Marks)

a. Explain various endoscopic accessories with sketches.

b. Write about :

i) Features of the common endoscope

ii) Fluorescence endoscopy.

(10 Marks)

(OS Marks)

(OS Marks)

a. Discuss the fiber optic laser therapy (angioplasty) (10 Marks)

b. With the help of neat sketch, explain Nd : Y AG laser therapy used for treatment of Gastro

intestinal tumor. (10 Marks)

8 Write a short notes on the following :

a. Laparoscopic laser surgery

b. Ophthalmological application of laser fiber systems

c. Endoscopic lithotripsy

d. Flow diagram for laser angioplasty. (20 Marks)

* * * * *




Eighth Semester B.E. Degree Examination, June/July 2017

Picture Archiving & Communication System


1

2

3

4

5

6

7

8


PART-A

a. Explain the role of quality assurance in workflow and productivity.

b. Discuss imaging modalities workflow description for PACS.

(12 Marks)

(08 Marks)

a. Explain Image production steps involved in direct and indirect digital radiography detectors. (12 Marks)

b. Discuss applications of image compression technologies in medical images. (08 Marks)

a. Discuss basic elements of P ACS Architecture.

b. Give the comparison of different approaches for Medical - Legal archiving.

(12 Marks)

(08 Marks)

a. With a schematic explain a multivendor storage area network [SAN] implementation in

PACS. (14 Marks)

b. Write a note on Redundant array of inexpensive disks [RAID]. (06 Marks)

a.

b.

a.

b.

a.

b.

a.

b.

PART-B

Give differences between following with regard to image display.

i) Gray scale versus color

ii) Medical grade versus consumer grade.

Describe the workstation design of digital mammography.

Explain function of P ACS work station software.

Write a note on following :

i) Computer - aided detection

ii) Computer - assisted classification.

Explain the workflow diagram of Three - Dimensional imaging.

Write a note on following :

i) Speech recognition software

ii) Radiology information system.

Discuss different approaches to image acquisition in tele-radiology.

Briefly discuss Legal and socioeconomic issues affecting telemedicine.

* * * * *

(08 Marks)

(12 Marks)

(12 Marks)

(08 Marks)

(12 Marks)

(08 Marks)

(12 Marks)

(08 Marks)


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