GTU Mechanical Engineering (Semester 7)
Automobile Engineering
June 2014
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


Attempt the following questions.
1 (a) Explain advantages and disadvantages of a passenger car with the engine mounted at the front and rear engine mounting with neat sketch.
7 M
1 (b) Describe the construction and working of wind screen wiper, Speedometer Odometer and Fuel Gauge
7 M

2 (a) Explain the working of multi plate clutch with neat sketch.
7 M
Answer any two question from Q2 (b) or Q2 (c)
2 (b) Explain construction and working of differential unit with neat sketch
7 M
2 (c) Write short note on non-slip type differential
7 M

Answer any two question from Q3 (a), (b) or Q3 (c), (d)
3 (a) Define (1) castor (2) camber (3) toe in and toe out State their effect on steering geometry with neat sketch.
7 M
3 (b) Describe the rack and pinion type steering gear box with neat sketch.
7 M
3 (c) Designate the tyre with example. Differentiate between tube and tubeless tyre.
7 M
3 (d) What are the difference between Hotchkiss and torque tube drive describe with the help a neat sketch.
7 M

Answer any two question from Q4 (a), (b) or Q4 (c), (d)
4 (a) Explain the working of constant mesh gear box with diagram.
7 M
4 (b) Explain the need of suspension system and state its objective.
7 M
4 (c) Give the classification of automobile brake. Explain with neat sketch the working of master cylinder used in hydraulic brake.
7 M
4 (d) State the function of battery and explain construction of automobile battery with sketch .
7 M

Answer any two question from Q5 (a), (b) or Q5 (c), (d)
5 (a) What are the different types of rear end suspension ? How does a rigid axle front end suspension differ from an independent front end suspension?
7 M
5 (b) Explain the typical lighting circuit diagram of a car
7 M
5 (c) Enlist the various types of tools and equipment required in service station.
7 M
5 (d) Write short note on Euro norms.
7 M



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