Automotive Materials And Metallurgy Question Paper of 3rd Semester AE Download Previous Years Question Paper 1

Roll no……………..

Total no. of Questions:09]

B.Tech. (sem.-3^rd)

AUTOMOTIVE MATERIALS AND METALLURGY

SUBJECT CODE: AE-207

PAPER ID:[A0705]

Time : 03 Hours

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.     Explain the term crystal imperfections.

b.     What are Miller Indices? Explain with the help of an example.

c.      How phase diagrams are classified?

d.     Name any two commercial alloys of copper.

e.      What are main objectives of heat treatment?

f.       Why aluminum is highly corrosion resistant in many environments?

g.     What is the significance of surface coating of automotive components?

h.     What are the most important factors affecting selection of materials for cylinder block of an automobile?

i.       What is the specific use of polymer materials in automobiles?

j.       What is the specific use of polymer materials in automobiles?

Section –B

2.     What is plastic deformation of metals? Explain the process of plastic deformation of metals by twining.

3.     Plot and explain an equilibrium diagram for alloys having unlimited mutual solubility of components A and B in the solid state.

4.     What are the common alloying elements used for stainless steel and explain their effect on the properties of stainless steel?

5.     Why is normalizing done? Explain the process of normalizing for automotive components.

6.       

a.     What type of materials are used for piston and piston ring?

b.     Enumerate the main application sof ceramic materials in automobile.

Section –C

7.     Explain the process of recovery, recrystallization and grain growth with respect of plastic deformation of metals.

8.     Construct a neat Iron-Carbon equilibrium diagram and explain its interpretation with help of suitable examples.

9.     Write notes on the following

a.     Thermal spray coating.

b.     Hard facing.