Download PTU B.Tech 2020 March Aero 5th Sem ASPE 302 Aerospace Materials Question Paper

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Roll No. Total No. of Pages : 02
Total No. of Questions : 09

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B.Tech.(Aerospace Engg.) (2012 Onwards) (Sem.-5)
AEROSPACE MATERIALS
Subject Code : ASPE-302
M.Code : 71836
Time : 3 Hrs. Max. Marks : 60

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

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1. Answer briefly :
   1. What is Pulforming?
   2. What is injection molding?
   3. What is blow molding?
   4. What are whiskers?
   5. Define malleability.

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   6. What is normalizing?
   7. What is medium carbon steel?
   8. What is cold shortness?
   9. What is passivating?
   10. What is intergranular corrosion?

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SECTION-B

2. What is SAE numbering system? Explain SAE 2330.
3. Discuss and explain the nomenclature of aluminium alloys.
4. Explain case hardening.

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5. Name the methods of casting aluminium alloys. Discuss any one.
6. Name various applications of composites. Discuss any one in detail.

SECTION-C

7. What are the various metal joining processes? Explain any one permanent joining process.
8. Explain the manufacture of Titanium with the help of a flow chart. In how many ways hydrogen can contaminate titanium?

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9. Discuss particulate composites in details.

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.