B.Tech lll rd Year ll nd Semester Examinations May / June 2015

B.Tech lll Year ll Semester (RO9) Regular & Supplementary Examinations May/June 2015

AUTOMOBILE ENGINEERING

(Mechanical Engineering)

Time: 3 hours                                                                                         Max Marks: 70

• Answer any FIVE questions
• All questions carry equal marks

1. (a) What is the difference between real wheel drive and front wheel drive? Explain

(b) lain the load on the chassis frame and axles

2. (a) Explain briefly the Carter carburetor with neat diagram.

(b) What is a petrol injection? How it difference from diesel injection? Narrate its advantages.

3. (a) What are the various types of radiators? Explain any one in detail.

(b) Briefly explain the construction and operational aspects of the radiator cooling fan

4. (a) Define "smoke and discuss different factors which effects smoke formation in CI engine

(b) Explain briefly the operation of the Bosch smoke meter,

5. (a) Discuss about the various types starting system trouble shooting

(b) With the help of a line diagram, explain the construction and working of a wiper and horn in an automobile,

6 . Why is the clutch placed between the engine flywheel and the transmission, what factors it depends?

7 (a) What is the condition for correct steering?

(b) Sketch and explain any one type of steering gear and discuss its relative advantages

8. With a neat sketch, explain the working principle of pneumatic brake system

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