Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) Mechanical Engineering 2020 December 3rd Sem 59115 Manufacturing Processes I Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (ME) (2012 Onwards) (Sem.?3)
MANUFACTURING PROCESSES-I
Subject Code : BTME-305
M.Code : 59115
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.
Explain the selection criteria for manufacturing processes.
2.
Enumerate the composition of green moulding sand.
3.
Explain the functions of core prints and chaplets used in casting process.
4.
Explain the working principle of induction furnace.
5.
Enumerate design considerations of casting process.
6.
Define Nucleation.
7.
Explain the working principle of atomic hydrogen welding process.
8.
Enumerate different Non-destructive testing methods?
9.
Explain the working principle of brazing process.
10. Explain the significance of visual examination methods.
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SECTION-B
11. Explain various types of cores used in casting process giving neat sketches.
12. Describe the working principle, applications and advantages of shell mould casting process
giving neat sketch.
13. Explain the working of arc welding process giving a neat sketch. Also explain the relative
merits and demerits of AC and DC welding processes.
14. Discuss various types of welding defects, their causes and remedies.
15. Explain the dye penetrant test for inspection of castings giving a neat sketch.
SECTION-C
16. a) Explain metallurgical considerations in casting process.
b) Explain various elements of gating system giving a neat sketch.
17. a) Explain the working principle, applications, advantages and limitations of friction stir
welding process giving a neat sketch.
b) Why directional solidification is necessary? How it helps in the production of sound
castings? What are the factors through which directional solidification of castings can
be controlled?
18. a) Describe the working principle, applications and advantages of TIG welding process
giving a neat sketch.
b) Explain the working principal of Magnetic Particle inspection giving its advantages and
disadvantages.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021