Session 10: Electrical or Electronic and Air Conditioning Systems
Unit 3: Major Systems and Components of anAutomobile
Textual Question-Answers
Practical Exercises
A. Fill in the blanks
1. ………………… is the main component of a refrigeration system.
Ans: Compressor
2. Battery is used for …………….. vehicle.
Ans: starting
3. Starting system consist of battery and starting …………………
Ans: motor
4. Warm temperature in the car is maintained by ……………..
Ans: heater
B. Multiple choice questions
1. The starting motor is driven by means of the current taken fromthe ……………….
(a) battery
(b) stabiliser
(c) ignition coil
(d) None of the above
Ans: (a) battery
2. The function of the ignition system is ………………..
(a) to produce a spark in the engine combustion chamber
(b) to generate, regulate and supply the electrical energy
(c) to produce a current for charging
(d) None of the above
Ans: (a) to produce a spark in the engine combustion chamber
3. List the electrical accessories used in vehicle.
Ans: Headlights, Horn, Wipers, Indicators
4. Air conditioner loses energy from the ………………
(a) battery system
(b) condenser
(c) engine
(d) None of the above
Ans: (c) engine
C. Short answer questions
1. Discuss the importance of electrical and electronic systems inautomobiles.
Ans: Electrical and electronic systems in automobiles are important forstarting the engine, providing lighting, operating wipers, horns, indicators, airconditioning, and managing fuel injection, ignition, and safety systems. Theyensure comfort, safety, and efficient operation of the vehicle.
2. What are the components of an air conditioning system?
Ans: The main components of an air conditioning system are thecompressor, condenser, expansion valve, evaporator, and refrigerant.
