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Posted Date: 11 Aug 2010      Posted By:: nikhil    Member Level: Gold    Points: 5 (Rs. 1)

2009 Maharashtra State Board of Technical Education Diploma Automobile Engineering Sample question Paper for Automobile Transmission System University Question paper



Course: Diploma Automobile Engineering   University/board: Maharashtra State Board of Technical Education





1
Sample Question Paper – I
9029
Course Name :- Automobile Engineering
Course code :- AE
Semester :- Third
Subject :- Automobile Transmission Systems
Duration :- 3 hours Marks: 80
Instructions : 1] All questions are compulsory.
2] Figures to the right indicates full marks.
3] Use of non-programmable calculator is permissible.
Q 1: Attempt any EIGHT of the following: (8 x 2 = 16)
a) State the location of clutch in transmission system.
b) State the materials used in any Two Wheeler frame.
c) State the working principle of clutch
d) State any two advantages of diaphragm clutch.
e) State the necessity of gear box.
f) How gear ratio is calculated?
g) State the components of propeller shaft assembly.
h) State the function of universal joint
i) Why backlash is provided in differential gears?
j) Draw a neat labeled sketch of any one type of rim.
Q 2 : Attempt any THREE of the following : (3 x 4=12)
a) State the vehicles in which centrifugal clutch & single plate clutch are used.
b) Distinguish between single plate & multi plate clutch. (four points)
c) State the working of fluid flywheel.
d) Why cable operated clutch linkage is used in Two Wheeler?
2
Q 3 : Attempt any THREE of the following : (3 x 4=12)
a) State the advantages & drawbacks of torque converter.
b) Why constant mesh gearbox is preferred to sliding mesh gearbox in a Two Wheeler?
c) Draw constant mesh gearbox with second gear in engaged position with power flow.
d) What is the difference between three speed & four speed gearbox?
Where are these used?
Q 4 : Attempt any FOUR of the following: (4 x 4=16)
a) Draw a neat labeled diagram of rear engine rear wheel drive type of vehicle layout.
b) What are the differences between integral & semi-integral frames?
c) State various considerations on the basis of which Automobile chassis are classified.
d) State the principle of differential. State the components of spur differential.
e) What is necessity of constant velocity joints in case of front engine front wheel drive
type of car layout?
f) What is the tyre rotation procedure for a Four Wheeler? Explain it with a neat sketch.
Q 5 : Attempt any THREE of the following : (3 x 4=12)
a) Draw a neat labeled sketch of Two Wheeler chain drive type of transmission system.
b) Draw a neat labeled sketch of three quarter floating type of rear axle.
c) What is the basis for preferring full floating rear axle over other type of rear axle in the
case of commercial vehicles?
d) Why hypoid gears are used in final drive? Also state its disadvantages.
Q 6 : Attempt any THREE of the following : (3 x 4=12)
a) What are the effects of high inflation pressure in tyres?
b) Distinguish between tube tyres & tubeless tyres on the basis of weight, fuel efficiency,
life & road holding.
c) Draw a neat labeled sketch of Hotchkiss drive.
d) Why universal joint is used at the rear end of propeller shaft used in Hotchkiss drive?





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