JNTU Question Papers Automobile Engineering I Sem Nov 2008

JNTU Question Papers

Automobile Engineering I Sem Nov 2008

 

1. (a) What is the importance of automobile engineering over the other branch of

engineering ?

(b) What do you understand by Automobile Engineering?

(c) How is automobile engineering is mainly related to Mechanical Engineering?

[8+4+4]

 

2. (a) Draw P-V and T-S diagrams S.I Engine and explain its working.

(b) Is it feasible to construct a sterling engine. Explain in detail. [8+8]

 

3. (a) Explain the function of engine gaskets? What are different materials used for

engine gaskets?

(b) Why the clearance is provided in the piston crown? Explain. [8+8]

 

4. (a) Why is flywheel necessary in multicylinder engines?

(b) What is valve tappet clearance? Why is it necessary?

(c) Describe a hydraulic valve lifter. [6+6+4]

 

5. (a) Explain different principal components of a carburetor.

(b) What are the advantages of multiple venture carburetors? [8+8]

 

6. (a) Classify different fuel delivery systems for petrol engines? Explain.

(b) What are different problems faced by fuel transfer pump? Explain methods

to rectify them. [8+8]

 

7. (a) What are different types of injectors used in automobiles?

(b) Explain the effect of operating temperature on performance of fuel injector.

[10+6]

 

8. (a) Explain positive Crankcase ventilation with suitable diagram.

(b) Describe the construction and functions of cartridge type of oil filter. [8+8]

 

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