Automobile Engineering - Dec 2016

Mechanical Engineering (Semester 8)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1 With the help of neat sketch explain in brief:
a)Steering linkages for rigid axle suspension b) Hydraulic Braking system c) Over running clutch drive. d) Toe-in and Toe-out. Explain its significance.(20 marks) 2 Write a short notes on:
a) Disk brakes. b) Lead Acid Battery. c) Super structure. d) Clutch.(10 marks) 3(a) Discuss three modern trends in automobiles with their features and advantages.(14 marks) 3(b) Describe radial ply tyres and its advantages.(6 marks) 4(a) What is the necessity of gear box? Explain the working of synchromesh gear box.(10 marks) 4(b) Explain with sketch, coil spring front suspensions system, with its advantages.(10 marks) 5(a) Discuss in brief various types of batteries. Explain the working of Alkaline Battery.(10 marks) 5(b) Discuss the following:
i) Alternator, working principle and advantages. ii) Bendix drive.(10 marks) 6(a) Discuss; Importance of Body design and materials for body construction.(10 marks) 6(c) Draw circuit diagram and explain the working of Voltage Regulator (cut-out).(10 marks)