MU Mechanical Engineering (Semester 8)
Automobile Engineering
December 2012
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 working of Distributor-less Ignite system
5 M
1(b) Describe Radial ply tyres.
5 M
1(c) Explain the process of shifting from 3rd gear to 2nd gear in a constant mesh gear box.
5 M
1(d) Explain working of wheel cylinder.
5 M

2(a) Describe any two type of brake shoe arrangements used in drum brakes.
14 M
2(b) Explain construction,advantages of three quarter floating axle.
6 M

3(a) For a 5 forward,1 reverse speed constant mesh gear box:
Draw the layout
Explain the working with advantages and disadvantages.
7 M
3(b) Explain the construction,working and application of overdrive.
7 M

4(a) What are the requirements of steering?Explain Re-circulating Ball type steering.
6 M
4(b) Explain construction and working of Air Brakes.
10 M

5(a) With neat sketch explain the construction,working,advantages and disadvantages of multi plate dry friction clutch.
10 M
5(b)

Define the following terms w.r.x steering geometry:
i)   Caster
ii)  Camber
iii) Toe
iv) King pin inclination
v)  Combined angle.

10 M

6(a) Describe construction and working of Wisbone suspension system.Also explain objects of suspension.
10 M
6(b) Explain the circuit diagram of combined current and voltage Regulator.Describe its working in detail.
10 M

Write a short notes (any four)
7(a) Torsion Bar
5 M
7(b) Materials for Body Construction
5 M
7(c) Cutout Relay
5 M
7(d) Telescopic Shock Absorber
5 M
7(e) Freewheel Unit
5 M
7(f) Fluid Flywheel.
5 M



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