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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH SEMESTER B.TECH DEGREE EXAMINATION, JULY 2017
Course Code: AU206
Course Name: AUTO TRANSMISSION (AU)

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any three full questions. Each question carries 10 marks.
1 Explain the working of a centrifugal clutch (10)
2 a) What are the characteristics of a multi-plate clutch (6)
b) Compare cone clutch and diaphragm clutch (4)
Explain the working of a constant mesh gear box with neat sketches. (10)
+ Why Double de clutching is needed in constant mesh gear box? Why it is not (10)
needed in synchromesh? Explain?
PART ‏تا‎
‎Answer any three full questions. Each question carries 10 marks.
5 With neat sketch explain the construction of a Ford-T-model gear box. (10)
6 With a neat sketch explain the working of Wilson Gear box. (10)
7 With a neat sketch explain the principle operation of a fluid flywheel. Also give the (10)
characteristic curves.
8 Mention the performance a torque converter with help of a neat sketches. (10)
PART C
Answer any four full questions. Each question carries 10 marks.
9 Explain the working of a CVT. (10)
10 a) Write down the necessity of an automatic transmission. (2)
b) Explain the principle of operation of an automatic transmission. (8)
11 Explain the working of a Chevrolet Turboglide transmission. (10)
12 Give an account of various types of hydrostatic drives. (10)
13 With a neat sketch explain the working of a Janny hydrostatic drive. (10)
14 Explain the principle of operation of a Ward Leonard model Control system. (10)

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