MU Mechanical Engineering (Semester 8)
Automobile Engineering
December 2013
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Explain the principle of electronic ignition system.
5 M
1 (b) Describe the principle of operation of overdrive.
5 M
1 (c) Explain the principle of freewheel unit.
5 M
1 (d) Describe any one type of live axle.
5 M

2 (a) Describe the working of the multiplate dry friction clutches.
10 M
2 (b) Write about the necessity and describe the working of differential.
10 M

3 (a) Describe recirculating ball type of steering box. Also explain the function of the steering system.
10 M
3 (b) What is transfer box? Explain its construction and working.
10 M

4 (a) Explain the construction and working of McPherson strut type of suspension system.
10 M
4 (b) Explain the principle of operation and working of Shock absorber.
10 M

5 (a) Explain the working of the master cylinder. What is tandem master cylinder?
10 M
5 (b) Describe the working of a standard Bendix drive used in starter motor.
10 M

6 (a) With neat sketch explain working of constant mesh gear box (3 forward + 1 reverse speed )
10 M
6 (b) Describe any one engine sensor used in automobiles.
10 M

7 (a) Fluid Flywheel
5 M
7 (b) Types of stub axle
5 M
7 (c) Visibility and blind area
5 M
7 (d) Cutout relay
5 M



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