Electricity in Automobile MCQ Questions & Answers

91

The high resistance in an alternator output circuit is often caused by

A) A bad regulator B) A shorted diode C) Loose or corroded connection D) None of these

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Answer & Solution

Answer: Option C

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92

The head lamps are of . . . . . . . . watts in a medium priced car.

A) 40 - 50 B) 400 - 500 C) 100 - 200 D) 1000 - 2000

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Answer & Solution

Answer: Option A

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93

Choose the correct statement in regard to the relationship between the temperature and the specific gravity of the battery's electrolyte.

A) Specific gravity increases as the temperature drops and vice versa B) Specific gravity decreases as the temperature drops and vice versa C) Specific gravity decreases as the temperature increases but is constant below 20°C D) The specific gravity of the electrolyte is independent of the current temperature

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Answer & Solution

Answer: Option A

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94

Which of the following light contains 1.5 cp?

A) Instrument lights B) Map light C) Clock light D) All are correct

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Answer & Solution

Answer: Option D

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95

Dynamo is not producing current when there is-

A) Loose or broken wire connection B) Defective switch C) Broken or loose V-belt D) All are correct

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Answer & Solution

Answer: Option D

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96

The positive and negative plates are made of which of following?

A) Lead B) Iron C) Steel D) None of these

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Answer & Solution

Answer: Option A

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97

The charging voltage at the start of the engine is . . . . . . . . than when the engine is running on load.

A) Higher B) Lower C) Equal D) Any one of these

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Answer & Solution

Answer: Option A

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98

A maintenance free battery

A) Has lead-antimony plate grid B) Has lead-calcium plate grid C) Does not contain acid D) Does not contain water

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Answer & Solution

Answer: Option B

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99

The current carrying capacity of cable size $${{44} \over {0.012}}$$ is-

A) 22 amp. B) 14 amp. C) 7 amp. D) 10 amp.

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Answer & Solution

Answer: Option A

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Electricity in Automobile MCQ Questions & Answers | Automobile Engineering