Electricity in Automobile MCQ Questions & Answers

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Each section contains 100 MCQs on Electricity in Automobile .

The state of charge of battery that has a specific gravity of 1.190 at 80°F (26.7°C) means

A) Completely discharged B) About $${1 \over 2}$$ charged C) About $${3 \over 4}$$ charged D) Fully charged

Discuss

Answer & Solution

Answer: Option B

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

For all ground wire we use the colour-

A) Black B) White C) Red D) Yellow

Discuss

Answer & Solution

Answer: Option A

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

While charging a battery, the temperature of the electrolyte should not exceed

A) 48.8°C B) 51.6°C C) 54.4°C D) 73.8°C

Discuss

Answer & Solution

Answer: Option C

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

The main lights are-

A) Head lights B) Parking light C) Blinker lights D) All are correct

Discuss

Answer & Solution

Answer: Option D

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

The purpose of serial data communication is to

A) Spy on the driver by recording vehicle events B) Only allow information flow in one direction C) Reduce the number of wires between the ECU's by allowing the information sharing D) Use more wires on the vehicles

Discuss

Answer & Solution

Answer: Option C

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

A . . . . . . . . is an electrical one-way check valve that will allow current to flow in one direction only.

A) Diode B) Transistor C) Capacitor D) Resistor

Discuss

Answer & Solution

Answer: Option A

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

When electrolyte is ready then its specific gravity should be-

A) 100 B) 1000 C) 10 D) 10000

Discuss

Answer & Solution

Answer: Option B

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

The ratio between the number of teeth on the starter motor pinion gear and the engine flywheel ring gear is about

A) 1 to 1 B) 1 to 5 C) 1 to 15 D) 1 to 50

Discuss

Answer & Solution

Answer: Option C

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

The main task of a battery in automobiles is to

A) Supply electricity to the vehicle's electrical system at all times while the engine is running B) Act as a reservoir or stabilizer of electricity C) Supply electricity to the alternator D) Supply a large amount of power to turn the starter motor when the engine is being started

Discuss

Answer & Solution

Answer: Option D

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

Charging dynamo intermittently or charging less is due to

A) Loose connection of dynamo terminal B) Loose earth connection C) Dirty commulator D) All are correct

Discuss

Answer & Solution

Answer: Option D

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

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Electricity in Automobile MCQ Questions & Answers | Automobile Engineering