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ത്തെ Name:

API ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018

Course Code: AU 302
Course Name: AUTOMOTIVE ELECTRICAL AND ELECTRONICS (A U) Max.

Marks: 100 Duration: 3 Hours

PARTA
Answer any 1117001011 questions, each carries 10 marks. Marks
1 a) What is Rectification in a Charging system? (3) b) Explain about half-wave and full

wave rectification with neat sketch. (7)
2 a) What are the effects of temperature on electrolyte of an automobile battery? (4) b) Explain
about Voltage and Current Regulation. (6)

3 Explain the constructional details of Lead Acid battery with necessary (10) sketches.

4 Explain with a neat sketch the construction and operation of any two starting (10) drives

used in automobile starting system.

PART 8
Answer any Ihreefull questions, each carries 10 marks.
5 a) Explain about the spark plug and its constructional details (5) b) With a neat sketch
Explain the working of an electric horn. (5) 6 Describe a high tension magneto ignition

system with figure and state its (10) advantages and disadvantages.

7 Draw a simplified wiring circuit for a typical passenger car lighting system and (10) discuss
the same
8 Explain the working of Electronically assisted ignition system with a neat (10) diagram.
PART 0

Answer anyfour.full questions, each carries 10 marks.

9 a) Explain about the application of position and lambda sensors used in automobile (6) with

neat sketches.

b) Explain about the fimction of wheel speed sensors with neat sketch. (4)

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