D 06000AU305122001 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Fifth Semester B.Tech Degree Examination (Regular and Supplementary), December 2020

Course Code: AU305
Course Name: VEHICLE MAINTENANCE

Max. Marks: 100 Duration: 3 Hours
PARTA

Answer any three full questions, each carries 10 marks. Marks

1 What do you mean by Job card and Service History? Explain with suitable (10)
examples.

2 9) What are the methods of starting a starting service station? (4)
b) Draw the layout of Road side service station indicating various departments (6)
3 a) What is the importance of tappet clearance? How it is adjusted? Explain (8)
b) What is decarbonizing of cylinder head? (2)
4 ஐ What is the difference between OBD I and OBD II? (3)

b) How modern cars equipped with OBD will be analysed and services with scan (7)
tool?
PART 13
Answer any three full questions, each carries 10 marks.
5 >) What are the various diagnostic tests conducted on AC Mechanical Fuel Pump? (4)
Explain briefly.
b) How the injector is tested for proper functioning? Explain. (6)
6 a) What is the importance of FIP calibration? How it is done in inline Jerk pump (7)

system? Explain.

b) What are the possible causes for engine does not crank? (3)
7 2) What are the various ill effects of loose fan belt tension? (2)
b) What are the various steps involved in servicing of radiator? Explain. (8)
8 What are the various methods used for leak detection in an Air conditioning (10)

system? Explain.

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