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DFCCIL EE POWER SYSTEM QUIZ - 6

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Question 1

Which one of the following relays has the capability of anticipating the possible major fault in a transformer?

Question 2

In switch gear and protection MCB stands for?

Question 3

A relay is connected to a 400/5 A current transformer and set for 1.5. The primary fault current of 2400 A needs a plug settling multiplier of

Question 4

The voltage that appears across the contacts of circuit breaker after final arc interruption is called

Question 5

A circuit breaker is rated at 1200A, 1500MVA, 33kV, 3-seconds. 3-phase oil circuit breaker. The making current is

Question 6

The rate of rise of re-strikling voltage (RRRV) is dependent upon

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Jul 9AE & JE Exams