Automobile Engineering - May 2014
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(a) Explain the process of double de-clutching(5 marks) 1(b) Describe any one engine used in modern day automobile.(5 marks) 1(c) Enlist the types of live axles used in vehicles.describe the working full floating axle.(5 marks) 1(d) Describe the construction working of Cutout Relay.(5 marks) 2(a) Draw a neat sketch and describe in detail the working of master cylinder used in hydraulic brakes.(10 marks) 2(b) Draw and Describe wheel cylinder.(10 marks) 3(a) Describes the construction,working an application of multi-plate clutch.(10 marks) 3(b) Explain the construction and working of Vacuum servo brakes.(10 marks) 4(a) With neat sketch explain the connection and working of any two type of brake shoe arrangement in automobiles.(14 marks) 4(b) Enumerate various battery failures w.r.t lead-Acid Battery.Discuss any one in detail.(6 marks) 5(a) Describe Rack and pinion type of steering. Explain the requirement of steering(10 marks) 5(b) Explain the working of combined Current and voltage Regulator.(10 marks) 6(a) What are objects of suspension?Describe telescopic type of shock absorber(10 marks) 6(b) Define the following terms w.r.t steering geometer;
King Pin Inclination
Combined Angle(10 marks) 7(a) Write short Notes on:
Wishbone Suspension(5 marks) 7(b) Fluid Flywheel.(5 marks) 7(c) Radial ply tyres(5 marks) 7(d) Materials for Body Construction(5 marks) 7(e) Torsion Bar(5 marks) 7(f) Cutout Relay(5 marks)