Tuesday, August 30, 2016
Roll no……………..
Total no. of
Questions:09]
B.Tech. (sem.-3rd)
MACHINE DRAWING
SUBJECT CODE: BTAE-306
PAPER ID:[A1156]
Instruction to
Candidates:
INSTRUCTIONS TO
CANDIDATE:
1.
SECTION-A is compulsory consisting of Ten
question carrying Two marks each.
2.
SECTION-B contains FIVE questions carrying Five
marks each and students has to attempt any four questions.
3.
SECTION –C contains Three questions carrying Ten
marks each and students has to attempt any Two questions.
SECTION -A
1.
a.
With suitable sketch, explain the method of
dimensioning of i) circle ii) Angle
b.
Draw conventions for i) internal threads ii) gun
metal
c.
Draw symbols to represent removal of material by
marching.
d.
What is difference between a ‘go limit’ and ‘not
go’ limit.
e.
What do you understand by pitch of a thread?
f.
What are the advantages of riveted joints?
g.
Draw symbols for i) convex double-V butt joint
ii) fillet weld
h.
What are multi start threads? Where these are
used and why?
i.
Why the ends of the overlapping plates in
riveted joint are bevelled? State the usual angle of bevelling.
j.
What is stud or stud bolt?
Section –B
2.
Explain different methods of dimensioning with
the help of figures.
3.
Draw profile of knuckle threads by taking pitch
of 20mm. clearly show the calculations and show dimensions on the drawing.
4.
Draw free hand sketch of single plate friction
clutch.
5.
Draw free hand front view (upper half in
section) of a gib and cotter joint.
6.
Explain different methods to draw a circle in
auto CAD.
Section –C
7.
Assemble the parts of Screw jack given in fig. 1
and draw the following view:
a.
Elevation (Right half in section )
b.
Top view
8.
Assemble the part of a Stop valve given fig. 2
and draw the following views:
a.
Elevation right half in section
b.
Plan
9.
Assemble the part of a Plummer block given in
Fig. 3 and draw the following views:
a.
Elevation right half in section
b.
Plan
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