Reg No.:

06000AU402122001 Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Max. Marks: 100

1 a)
b)
௦)

2

3 ஐ
b)

4

5 2)
b)

6

7

8

9 2)
b)

Course Code: AU402
Course Name: TWO AND THREE WHEELERS

PARTA
Answer any three full questions, each carries 10 marks.
Explain the scavenging process in two stroke engines?
Compare between SI and CI engines.
What is the need for vale timing diagrams in engines?
Explain with suitable sketches the working cycle of four stroke SI engine with
the valve timing diagram.
What are the functions of lubricating systems in engines?
Explain with diagram the battery coil ignition system in 4-cylinder engine.
Explain with sketches the working of wet and dry sump lubrication system.
PART B
Answer any three full questions, each carries 10 marks.
What is the function of clutch?

Explain the construction and working of multiplate wet clutch with suitable
diagram.
Explain the gear box used in two wheelers and the gear transmission used with
a neat sketch.
Discuss different types of chassis layouts used in three wheelers.
What are various meters and controls provided on the handle bar of a two
wheeler? Explain them briefly.
PART C

Answer any four full questions, each carries 10 marks.

What do you mean by brake fading?

Explain the construction and working of hydraulic braking system used in two

wheelers with front disc brake.

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Duration: 3 Hours

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