Download PTU B-Tech AE 2020 Dec 3rd Sem 54113 Automotive Materials Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (AE)-Automobile Engineering 2020 December 3rd Sem 54113 Automotive Materials Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (AE) (2012 to 2017) (Sem.?3)
AUTOMOTIVE MATERIALS
Subject Code : BTAE-305
M.Code : 54113
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CAND IDAT 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
Ql. Attempt all parts.
a. How are materials classified?
b. What is effect of alloying vanadium to carbon-steel?
c. What are the characteristics of glass?
d. What are the applications of plastics in automobile industry?
e. What is recrystallization?
f. What are the advantages of isothermal annealing process over full annealing?
g. What do you meant by cryogenic wear?
h. Name the materials used for manufacturing clutch plates.
i. Why is electroplating?
j. What are the advantages of carbon matrix?
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SECTION-B
Q2. Based upon the properties & their application, differentiate between white cast iron and
grey cast iron.
Q3. What do you meant by vulcanization of rubber? Explain with diagram.
Q4. Describe electroplating process with neat sketches.
Q5. Explain the criteria to be taken care of while selecting the material for cylinder block and
cylinder head.
Q6. Write a short note on metal matrix composite.
SECTION-C
Q7. Taking gear as an example, explain the need of surface hardening of steel. What is the
major difference in surface hardening given to low carbon steel and medium carbon steel?
Q8. State and explain the applications of ceramics in automobiles.
Q9. Write short notes on :
a) Tempering
b) Alloys of Cu
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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