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GETCO EE Practice Quiz-28

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Question 1

Pilot relaying schemes are used for protection of

Question 2

A very large generating unit is feeding power to a grid. Which of the protection schemes is used for detection of loss of excitation of the generating unit?

Question 3

The rate of rise of restriking voltage in a circuit breaker depend upon the:

Question 4

An anti-pumping relay is used to:

Question 5

In differential relay percentage bias is defined the ratio of:

Question 6

A 3-ϕ, 33kV circuit breaker is rated 1200 A, 2000 MVA, 3s. The rated making current capacity is-

Question 7

Which of the following is correct with respect to instrument current Transformer and protective current Transformer.

Question 8

Find the making circuit for a circuit breaker rated at 1000 A. 3000 MVA, 66 kV, 3 sec, 3-phase, oil circuit breaker.

Question 9

A reactance relay is also known as:

Question 10

The time which elapses between the instant when the actuating quantity exceeds the pickup value and the instant when the relay contacts close is called:
  • 220 attempts
Jul 28AE & JE Exams

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Chetan GoyalChetan GoyalMember since Mar 2021
AIR 1805, GATE2021
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