## Machine Drawing Question Paper of 3rd Semester AE Download Previous Years Question Paper 6

• Tuesday, August 30, 2016

Roll no……………..
Total no. of Questions:09]
B.Tech. (sem.-3rd)
MACHINE DRAWING
SUBJECT CODE: BTAE-306
PAPER ID:[A1156]
Time : 03 Hours
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