Which of the following acts as a protection against high voltage surges due to lightning and switching?
ABreather
BConservator
CThermal overload relays
DHorn gaps
Correct answer
D. Horn gaps
Explanation
The correct answer is Horn gaps.
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Study 132 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
D. Horn gaps
Explanation
The correct answer is Horn gaps.
Correct answer
D. infinity
Explanation
The correct answer is infinity.
Correct answer
A. unity power factor
Explanation
The correct answer is unity power factor.
Correct answer
A. hum
Explanation
The correct answer is hum.
Correct answer
A. main flux device
Explanation
The correct answer is main flux device.
Correct answer
A. Low voltage side
Explanation
The correct answer is Low voltage side.
Correct answer
C. 50% load
Explanation
The correct answer is 50% load.
Correct answer
A. Core saturation
Explanation
The correct answer is Core saturation.
Correct answer
A. both B. and (c)
Explanation
The correct answer is both B. and (c).
Correct answer
B. 2 to 5 per cent
Explanation
The correct answer is 2 to 5 per cent.