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ESE 2021 Technical Quiz || Switchgear and Protection -2

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Question 1

Identify the correct relationship regarding the rating of a circuit breaker.

Question 2

If for an IDMT relay with a plug setting of 50% and a CT ration of 400/5, the current is 3000 A, then the plug setting multiplier would be:

Question 3

Counterpoise is used for:

Question 4

Which of the following characteristics should have for an effective and a well designed protective relaying?

Question 5

Which of the relay is used for the protection of long line?
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May 25ESE & GATE EE