Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (AE)-Automobile Engineering 2020 December 3rd Sem 54114 Machine Drawing Previous Question Paper
Total No. of Pages : 04
Total No. of Questions : 18
B.Tech. (AE) (2012 to 2017) (Sem.?3)
MACHINE DRAWING
Subject Code : BTAE-306
M.Code : 54114
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
What is the difference between a rigid and a flexible coupling?
2.
What is the use of a foot step bearing?
3.
What is the advantage of Plummer block over a simple bushed bearing?
4.
Under what conditions do you use a knuckle joint?
5.
Sketch the basic symbols for Single and Double-V butt welds.
6.
What are permanent fastenings?
7.
What is the difference between allowance and tolerance?
8.
Differentiate between the pitch and lead of a screw thread?
9.
What is a muff coupling?
10
Explain the aligned system of dimensioning.
SECTION-B
11. Draw free hand the sectional front view of a union pipe joint.
12. Draw free hand upper half sectional front view of a protected type flange coupling on
proportionate scale.
13. Name the different forms of V- threads and draw the detailed sketch of any one of them.
14. Draw free hand the sectional front view of a single plate friction clutch.
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15. Draw the top view and sectional front view of a double riveted chain type butt joint clearly
showing all the dimensions. Take the diameter of the rivet as 12 mm.
SECTION-C
16. Figure below shows the details of a screw jack. Assemble the parts and draw the full
sectional front view.
Fig. 1
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17. Figure below shows the details of a plummer block. Assemble the parts and draw the full
sectional front view.
Fig. 2
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18. Figure below shows die details of a gib and cotter joint. Assemble the parts and draw the
half sectional front view and the top view.
Fig. 3
NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021