Kerala University 2009 B.Tech Automobile Engineering Fifth Semester , (2003 Scheme) Branch : Automobile 03-502: AUTOMOTIVE TRANSMISSION (U) - Question Paper
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Fifth Semester B.Tech. Degree Examination, June 2009 (2003 Scheme) Branch : Automobile 03-502: AUTOMOTIVE TRANSMISSION (U)
Time : 3 Hours Max. Marks : 100
PART - A
Answer all questions : (4x10=40 Marks)
1. What are the advantages of friction clutches over other type of clutches ?
2. What are the various fields the clutches are used ? What is the necessity of clutch ?
3. How do you calculate different gear ratios ?
4. Write short notes on : Clutch adjustments.
5. How do you perform clutch facing ? Explain.
6. What are the limitations of a sliding mesh gear box ?
7. Draw the block diagram of a epicyclic gear box and mention its parts.
8. What are the principles in which the hydrostatic drive is working ?
9. What are the elements comprise of a Electric drive ?
10. Hydro dynamic drive is the best transmission system in an automotive ? Yes or No. Justify your answer.
Answer one full questions from each Module of Part - B.
MODULE -I
11. a) Explain with a neat sketch the principle and operation of a centrifugal clutch. b) Explain the performance curves in different gears with a neat sketch.
12. a) Derive on expression for the torque transmitted in a single plate clutch taking
into consideration
1) Uniform pressure and
2) Uniform wear.
b) With a neat sketch describe the principle and working of a 4 speed transmission.
MODULE - II
13. a) What do you understand by pre-selective mechanisms ? Explain. b) Draw a torque converter and name its part.
14. a) With a neat sketch explain the principle of Ford T model.
b) What are the advantages and disadvantages of Wilson Planetary transmission ?
MODULE - III
15. a) What are the elements of a Automatic Transmission ?
b) Write brief notes on :
1) Important properties of automatic transmission fluid.
2) Advantages of Electric drive.
16. a) What are the various Modes of Electric drive ? Explain briefly.
b) Explain with a neat sketch the three speed automatic transmission system.
(3x20=60 Marks)
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