Question Paper: Automobile Engineering : Question Paper May 2015 - Mechanical Engineering (Semester 8) | Mumbai University (MU)

Automobile Engineering - May 2015

Mechanical Engineering (Semester 8)

(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.

Write short note on (any three):

1 (a) Fluid flywheel & Torque converter.(7 marks) 1 (b) Principle of operation of overdrive.(7 marks) 1 (c) Explain Anti locking Braking system.(7 marks) 1 (d) Types of Stub Axle.(7 marks) 1 (e) Telescopic Shock Absorber.(7 marks) 1 (f) Electronic Ignition system.(7 marks) 1 (g) Materials for Body construction.(7 marks) 2 (a) Define the following terms w.r.t. steering Geometer.
i) Castor
ii) Camber
iii) Toe
iv) king pin inclination
v) Combined Angle
(10 marks)
2 (b) Explain the various sources of vibration in vehicle and steps taken to minimize these vibration. What are it's effects on comfort human body?(10 marks) 3 (a) Discuss in brief on various types of batteries. Explain working of Lead Acid Battery.(10 marks) 3 (b) Explain with neat sketch the importance of drivers seat. What are the basic parameters involved in design at drives seat.(10 marks) 4 (a) Short note on: Knock sensor and Oxygen Sensor.(10 marks) 4 (b) Discuss radial and cross ply tyres. Explain various factors affecting tyre life.(10 marks) 5 (a) Explain the working of Master Cylinder. What is tandem Master cylinder.(10 marks) 5 (b) Write about the necessity and describe the working of differential.(10 marks) 6 (a) With neat sketch explain the construction, working, advantages and disadvantages of multi plate dry friction clutch.(10 marks) 6 (b) With neat sketch explain working of constant mesh gear box (3 forward +1 Reverse speed).(10 marks) 7 (a) Explain with sketch the working of Mac-Pearson structure type independent suspension. With its advantages & disadvantages.(10 marks) 7 (b) Explain in detailed the working of ECM.(10 marks)

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