Roll no……………..
Total no. of
Questions:09]
B.Tech. (sem.-3rd)
AUTOMOTIVE MATERIALS
SUBJECT CODE: BTAE-305
PAPER ID:[A1155]
Instruction to
Candidates:
1.
SECTION-A is compulsory consisting of Ten
question carrying Two marks each.
2.
SECTION-B contains FIVE questions carrying Five
marks each and students has to attempt any four questions.
3.
SECTION –C contains Three questions carrying Ten
marks each and students has to attempt any Two questions.
Section- A
1.
Write briefly:
a.
What are engineering materials?
b.
What are ceramics?
c.
What is an alloy steel?
d.
What do you understand by recrystallization
temperature?
e.
What are different types of annealing?
f.
What is fiber glass?
g.
What is a polymer?
h.
What is a composite material?
i.
What is flame hardening?
j.
What do you understand by Phosphating?
Section -B
2.
Discuss the effects of alloying elements in
properties of steel.
3.
What are the factors affecting the selection of
materials for automobile manufacturing?
4.
Discuss the nature of ceramic material.
5.
Differentiate between thermoplastic and
thermosetting plastic materials.
6.
Discuss the advantages and limitations of carbon
matrix.
Section –C
7.
What are various types of fibers? Explain in
brief the manufacturing process of fiber reinforced composites.
8.
Discuss any surface hardening technique used in
automotive industry.
9.
Write a note on metal matrix composites.
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