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| Roll No. |
| Total No. of Questions : 09 | Total No. of Pages : 02 |
| B.Tech. (AE) (2011 Onwards) | (Sem.-3) |
| AUTOMOTIVE MATERIALS | |
| Subject Code : BTAE-305 | M.Code: 54113 |
| Time: 3 Hrs. | Max. Marks : 60 |
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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- Answer briefly :
- What is vulcanisation of rubber?
- Give two examples of applications where composites are used for non-structural application.
- What are some of the typical characteristic of ceramic materials?
- What is the difference between GRP and FRP?
- What is the working principle of hot isostatic pressing?
- Which heat treatment process would you suggest so as to increase the machining characteristics of steels having large concentration of Fe3C?
- What is Anodizing?
- Name the two processes used for depositing thin film coatings
- What is polymerization?
- Name the process of heat treatment of gears.
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1 M-54113
(S2)-881
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SECTION-B
- How recrystallization temperature effect the properties of material? Discuss.
- Explain the following terms :
- Normalizing
- Quenching
- Tempering
- What are the various alloying elements added to steel and how they affect the various mechanical properties?
- Distinguish between thermoplastic and thermosetting polymers with suitable example.
- Write a note on thermal spraying with its sketch.
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- Write down the advantages and disadvantages of carbon matrix.
- How glass is fractured? Describe its procedure in brief.
- What are Metal Matrix Composites? Describe any one method for fabricating polymer matrix composite.
- Discuss the properties of alloys of copper and nickel with their applications.
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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.
2 M-54113
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(S2)-881
This download link is referred from the post: PTU B.Tech 3rd Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University
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