SAMPLE PAPER- AUTOMOBILE ENGINEERING
Max. marks- 100 Max. time- 3 hours
NOTE: Attempt any five questions. Each question carry 20 marks.
Q.1 (a) what are the main components of automobile. Give brief description of each components.
With neat sketch diagrams.
(b) Explain in detail:
(i) firing order
(ii) power balancing [10,10]
Q.2 Explain the principle of operation and constructional details of a typical differential unit. Also
explain multi plate clutch type traction control device. 
Q.3 (a) What are the aspects which are not valid in respect of disc brakes when compared to drum
(b) Give function and constructional detail of Tyre with diagrams. [10,10]
Q.4 Explain steering geometry in brief. Also derive an expression for kingpin inclination. 
Q.5 Explain the following in brief:
(a) power steering
(b) rack and pinion steering mechanism
(c) vickers system
(d) self righting torque 
Q.6 (a) What are the objectives and need of a gear box. also explain sliding mesh type gear box in
(b) What are the function and requirement of propeller shaft. explain in detail. [10,10]
Q.7 (a) Explain the principle of friction clutch. what are the clutch lining and friction materials used
in friction clutches.
(b) Give introduction and description of different components of transmission system. [10,10]
Q.8 Explain any four from the following in brief:
(a) multifuel automobile
(b) universal joints
(c) fluid flywheel
(d) hydraulic brakes
(e) cone clutch
(f) centrifugal clutch. 
Q.9 Give brief description of constructional details and working of four stroke I.C engine. Also
explain lately developed overhead camshaft. 
Q.10 (a) Explain the objective and principle of suspension system. Also differentiate between
double tube damper,single tube damper and lever arm type damper.
(b) Explain the following terms in detail:
(i) direct action vacuum servos
(ii) power operated brakes
(iii) rear suspension live axle
(iv) brake efficiency. [10,10]