Electricity in Automobile MCQ Questions & Answers

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Each section contains 100 MCQs on Electricity in Automobile .

The three units contained in a regulator for automobile DC generator are

A) Voltage regulator, current regulator and Zener diode B) Voltage regulator, current regulator and cut-out relay C) Voltage regulator, current regulator and temperature compensator D) Any one of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The purpose of using relays in some of the vehicle's circuit is that

A) Relays reduces the magnetic field created around the wire when a current is passed through it B) Relays eliminates the need of negative wiring C) With relays, small current can be used to operate a switch which can then connect the battery directly to the component D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which property may increase if the ground terminal is corroded?

A) Resistance B) Voltage C) Electromagnetism D) Heat conductivity

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The colour of indicator lights is

A) White B) Amber C) Green D) Blue

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

White colour indicates-

A) Ignition circuit B) All ground wire C) Generator circuit D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The electrolyte must not be allowed to come into contact with eyes or skin.

A) True B) False

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Pitch and tone of electric horn is adjusted by

A) Air gap B) Contact gap C) Air gap and contact gap respectively D) Contact gap and air gap respectively

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The current is induced, when . . . . . . . . is moved near a coil.

A) A copper wire coil B) A permanent magnet C) An electromagnet D) An iron rod

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

For generator circuit which of the following colour is used-

A) Black B) Blue C) Brown D) Yellow

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which of the following pair(s) is/are correctly matched?
1. Spark plug ⇔ 1 mm
2. C. B. point ⇔ 0.3 mm
3. Condenser ⇔ 12 V - 0.2 μF
4. L. T. ⇔ 12 V

A) 1, 2 & 3 B) 1, 2 & 4 C) 1 & 2 D) 1 & 4

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Electricity in Automobile MCQ Questions & Answers | Automobile Engineering