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Posted By: India Member Level: Diamond Posted Date: 08 Jun 2008
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2008 Jawaharlal Nehru Technological University RR-IV B.Tech Automobile Engineering(Feb'Sup)-Set4 Question paper
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Code No: RR410303 Set No. 4
IV B.Tech I Semester Supplimentary Examinations, February 2008
AUTOMOBILE ENGINEERING
( Common to Mechanical Engineering and Production Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Give classification of Internal Combustion engines. [6]
(b) How does a two-stroke engine differ from a four-stroke engine? [10]
2. (a) What are the advantages and disadvantages of petrol injection system? [4+4]
(b) Describe the throttle body petrol injection system. [4+4]
3. (a) Explain the reason for cooling an IC engine. [4]
(b) What are the various characteristics of an efficient cooling system. [4]
(c) Draw a sketch of cooling water system and name the various parts. [4+4]
4. (a) Explain with a neat sketch of capacitance discharge ignition system. [4+4]
(b) Discuss the effect of spark advance on pressure-crank angle diagram. [8]
5. (a) What is the need for controlling the generator out put. [6]
(b) How do you control the generator output in the automobiles. For the purpose
of charging the battery. [5+5]
6. (a) List out the functions to be performed by the transmission system of an au-
tomobile. [8]
(b) Explain the arrangements by which engine power is transmitted to the wheels.
[8]
7. (a) Explain the working of a Hoatch kiss diagram. [4+4]
(b) Explain the working differential in an automobile. [4+4]
8. Describe the Ackermann and Davis Steering Mechanisms. What are their relative
merits? [8+8]
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