Rajasthan Technical University 2010 B.Tech Mechanical Engineering Automobile Engineering (mechanical Engg.) - Question Paper
RTU Automobile Engineering (mechanical Engg.)
Rajasthan tech. University
B.tech four sem (Main/back)
Year July 2010
Roll No. ___ Total Printed Pa9es - | 3
4E2050B.Tech. (Sem. IV) (Main/Back) Examination, July - 2010 Mechanical Engineering 4ME2 Automobile Engineering
e
9
Time: 3 Hours] [Total Marks: 80
[Min. Passing Marks: 24
Attempt any five questions. All questions carry equal marks. (Schematic diagrams must be shown wherever necessary. Any data you feel missing suitably be assumed and stated clearly. Units of quantities used/calculated must be stated clearly.)
Use of following supporting material is permitted during examination. (Mentioned in form No. 205)
1._Nil__2._Nil_
1 (a) Compare a torque converter and a fluid coupling.
8
(b) Give a suitable chassiss layout fer a light commercial vehicle giving the suitable section of structural members and materials.
8
1 (a) Suggest a suitable clutch for an ordinary two wheeler e.g.
motorcycle, scooter etc. and explain its working.
8
(b) Explain the working of a diaphragm clutch giving a neat sketch.
82 (a) Compare a Hotchkiss and Torque tube drive on the basis of
the following :
(i) Construction
(ii) Load shared
(iii) Use.
8
(b) Differentiate between a fully floating and semi floating rear axle.
84E2050] llllllllllllllll 1 [Contd...
4 E 2 0 5 0
2 Give components of an automatic transmission. Give a suitable arrangement in which two forward, direct drive, and neutral can be obtained from an automatic transmission gear box.
16
3 (a) Give a neat sketch of traddle valve and explain its working.
8
(b) Explain the self servo action as related to drum brakes. Give neat sketches of drum shoe arrangements in which.
(a) both shoes will be primary
(b) both shoes will be secondary
(c) one primary and one secondary.
8
OR
3 (a) Explain the working of a Tandom master cylinder giving a
neat sketch.
8
(b) Give a neat sketch of a telescopic shock absorber and explain its working.
8
4 (a) Explain the working of a starter motor of an automobile
giving a neat sketch.
8
(b) How a fuel level indicator works ? Give a neat sketch.
8
OR
4 (a) Why in automobiles alternator is preferred over a dynamo.
(ad.c. generator) when the battery and other automotive systems work on d.c. circuit. Write about current and voltage regulation as regarding an alternator.
8
(b) Explain the necessity of :
(i) Centrifugal advance
(ii) Vacuum advance in an automotive Ignition system.
8
4E2050] H.I1 | II || || || 2 [Contd...
4 F 2 0 5 0
6 (a) State the type of cooling loads on automotive air conditioning system giving brief details.
(b) State the working of a magneties clutch of an Automotive AC system
8
OR
5 (a) Explain the working of a compressor of an automotive A.C. system.
(b) Explain the uses of GPS in the field of automobiles.
6
4E2050] II IIII I I IIMii ir II 3 [ 4200 ]
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| Earning: Approval pending. |
