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Code No: V3115/R07
Set No. 1
III B.Tech I Semester Regular Examinations, November 2009
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
(a) What is the main reason for the development of two stroke engines? Classify
two stroke engines.
(b) In what respects CI engine differ from SI engine.
(c) Define the term scavenging.
(a) Describe the types of carburetors based on the direction of mixture flow. [4+4]
(b) Explain the salient features of CARTER carburetor.
(a) Explain the reason for cooling an IC engine.
(b) What are the various characteristics of an efficient cooling system.
(c) Draw a sketch of cooling water system and name the various parts.
(a) Mention the components of an ignition system and describe the following with
the help of neat sketches.
i. Ignition coil
ii. Contact breaker
(b) Sketch and explain the working Distributor and name the various parts.[3+3]
(a) Explain the construction and working of an automotive ac generator. Why
ac-generators are popular comparing dc-generator?
(b) Explain briefly the problems that may be encountered with the operation of
(a) Explain the working of cone clutch used in an automobile with a neat sketch.
(b) How a single plate clutch is better compared to cone clutch.
(a) Explain the constructional details of a leaf spring with the help of a neat
(b) Describe the features of a transverse leaf spring.
8. Write notes for the following:
(b) Leading and trailing shoes.
(c) Requirements of break fluid