Roll No. ......................

Total No. of Questions: 09]

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[Total No. of Pages: 04

B.Tech. (Sem. -3rd)

MACHINE DRAWING

SUBJECT CODE: ME - 207

Paper ID : [A0804][Note: Please Ullsubject code and paper ID on OMR]

Maximum Marks: 60Time: 04 HoursInstruction to Candidates:

1) Section - A is Compulsory.2) Attempt any F.our questions frOJ1lSection - B.3) Attempt any Two questions from Section - C.

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Q1)

Section -A(10 x 2 = 20)

a) Draw the sketch of five types of lines used in machine drawing?

b) Sketch the convention of a round section?

c) Draw the symbol of third angle projections?

d) The root angles in BIS metric thread and BSW threads are respectivelyand ?

e) Name two head forms of rivets?

f) What is difference between pitch and lead?

g) What are the functions of connecting rod in IC engines?

h) Mention various types of bearings?

i) Draw the free hand sketch of hexagonal bolt.

j) Draw a s.ymbolof fillet welding?

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Section - B

(4 x 5 = 20)Q2) What are the different types of machine drawing? Explain Production

drawing in detail. :::

Q3) Represent two views of hexagonal nut and square nut with proportions anddia of bolt as 30mm.

- Q4) Draw free hand the sectional front view and right side view of the protectiveflanged coupling.

Q5) Draw to scale 1:1, the standard profile of a METRIC SCREW THREAD(external), taking an enlarged pitch = 50 mm. Give all the standarddimensions.

Q6) Two steel plates, each 12 mm thick are jointed by a single riveted lap joint.Draw two v.iews to full size. Show 4 rivets arid section line in plan.

Section -C

(2 x 10 = 20)Q7) Figure 1 shows flanges, keys and shafts to be connected in a flange coupling,

Assemble and draw elevation and side view in full. Note that nuts and boltsare to be added.

Fieure 1

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Q8) Draw the sectional top view and front view of the petrol engine connectingrod from the given figure 2 and part list

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Part No. Name Material Quantity,

1 Rod Forged steel 1

2 Cap Forged steel 1

3 Bearing brass Gun metal 2

4 Bearing bush Phospfior bronze 1

5 Bolt Medium carbon steel 2'

6 Nut .Medium carbon steel 2

Q9) Figure 3 shows the pictorial view of a FOOT STEP BEARING.

Draw to a conventional scale the following:(a) Full sectional front view.

(b) Top View.

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