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Roll No.
Total No. of Questions : 09 r . c Total No. of Pages : 4

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MACHINEp a
B.Tech. (AE) (Sem.–3)
DRAWING
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bPaper: BTAE-306
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Subject Code (2011 Batch)
ID : [A1156]

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Time : 3 Hrs.
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INSTRUCTION TO CANDIDATES :

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1. SECTION-A is COMPULSORY consisting of TEN questions carrying
TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and

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students has to attempt any FOUR questions.

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3. SECTION-C contains THREE questions carrying TEN marks each and
students has to attempt any TWO questions.
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SECTION-A
l. Write briefly :
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a. What is difference between allowance and tolerance?

b. Why sectional views are used in drawing?

c. The root angles in BIS metric thread and BSW threads are respectively
__________and_____________?
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d. Why are split muff coupling used in preference with solid muff?

e. Why brasses are used in connecting rod ends and why are these
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made of soft metals?

f. What is blow-off cock and where it is used?

g. What are the functions of steam stop valve?

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i.
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Draw the free hand sketch of hexagonal bolt.
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What is the use of tailstock in a lathe and how is it operated?
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SECTION-B
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2.
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What are the different types of machine drawing? Explain Production drawing
in detail.
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3. Draw plan and sectional elevation of a double riveted butt joint (Single
cover and chain riveting). Take diameter of rivet: 25 mm.
4. . b
Draw free hand upper half sectional-front elevation of a protected type
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5.
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flange coupling on proportionate scale.
What is the strength of transverse fillet welded joint?

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6. Discuss the various commands available in Auto-CAD to draw a pentagon.

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SECTION-C

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7. Draw the full sectional front view and side view of the flange coupling as
shown in figure 1.

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figure 2. r . c
8. Draw the front view and top view of foot step bearing as shown in

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Figure. 2.
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draw the Front View. r . c
9. Figure-3 shows the details of a Lathe tail stock. Assemble all the parts and

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