VARDHAMAN COLLEGE OF ENGINEERING
(AUTONOMOUS)
B. Tech VI Semester Regular Examinations, May 2018
(Regulations: VCE-R15)
AUTOMOBILE ENGINEERING
(Mechanical Engineering)
Date: 24 May, 2018 FN
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Unit I
1.

Sketch and explain different types of lubrication systems used in automobile engines.
8M

Explain the operation of the typical super charger with sketch.
7M
2.

Discuss the constructional details of various chassis frames.
7M

Explain the following:
i. Oil filters
ii. Oil pumps
iii. Decarburization
iv. Crankcase ventilation
8M
Unit II
3.

Sketch and Explain the working of solex carburetor.
8M

Briefly discuss the working of mechanical fuel pump.
7M
4.

Describe about multipoint fuel injection system of an automotive engine.
8M

Mention the factors responsible for more fuel consumption in the auto vehicles.
7M
Unit III
5.

Explain the components of cooling system
7M

Explain in detail about battery, magneto coil and electronic ignition system with simple sketch.
8M
6.

Enlist the various types of gear boxes. What are the advantages of epicyclic gear box?
7M

Explain Single plate dry clutch with neat sketch.
8M
Unit IV
7.

Define overall steering ratio. What is centre point steering?
7M

With neat sketch explain the working of synchro mesh gear box.
8M
8.

Describe the vacuum servo brakes.
7M

Explain the following:
i. Single plunger master cylinder
ii. Tandem master cylinder
8M
Unit V
9.

Sketch and explain the working of power steering system.
7M

Differentiate between Ackerman steering mechanism and Davis steering mechanism.
8M
10.

Discuss the constructional details of leaf, coil and torsion bar springs.
9M

Explain the following:
i. Toe in
ii. Toe out