Reg No.:

00000AU301121901

Pages: 2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

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

Max. Marks: 100

1 ஐ
b)

2 ஐ
b)

3 a)
b)

4 2)
b)

5 a)
b)

6 a)
b)

7

8

9 2)
b)

Course Code: AU 301
Course Name: AUTO TRANSMISSION

PARTA
Answer any three full questions, each carries 10 marks.
Give a detailed classification of automotive clutches.
Explain the constructional details and working of a centrifugal clutch.
Give a comparison of multi plate dry clutch and wet clutch.
Discuss the constructional details and working of a clutch used in two wheelers.
What are the advantages of using an overdrive mechanism in a gear box?
Explain why the maximum torque and maximum power of an engine is at
different speeds with the help of speed Vs Torque curve.
What are the different types of gear selector mechanisms?
Explain the constructional details and working of a gear selector with inter-
locking mechanism mounted on top of the gearbox.
PART ‏تا‎
‎Answer any three full questions, each carries 10 marks.
Write a brief note about the application of hydrodynamic drives
Explain the constructional details and working of a dual stator torque converter.
How the matching of a torque converter is done with an engine?
What are the different phases of operation in a torque converter?
Explain the principle of operation of a Revangnaux planetary gearbox at
different gears with suitable sketches.
Discuss the different mode of operations in a Wilson gearbox with suitable
sketch.
PART (^
Answer any four full questions, each carries 10 marks.
What are the limitations of hydrostatic transmission?

Give a comparison of Hydrostatic drive with Hydrodynamic drive.

Duration: 3 Hours

Marks
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