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SSC JE 2017: Switch-Gear & Protection Rankers Quiz 2
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Question 1
The earthing electrodes should be placed at what minimum distance in meters from the building whose installation system is being earthed?
Question 2
In case of slow developing faults transformer, the Buchholz relay
Question 3
For the proper protection of power system, the operating time of a relay should be
Question 4
The current rating of a fuse is 5 A. The fusing current will be
Question 5
The breaking capacity of SF6 circuit breaker is not affected by
Question 6
In 132 kV system, the phase to ground capacitance is 0.01 μA, and inductance is 6H. The voltage that appears across the contacts of circuit breaker if a magnetizing current of 10 A is interrupted is
Question 7
An overcurrent relay having a current setting of 125% is connected to a supply circuit through a current transformer of ratio 400/5. The pick-up current is
Question 8
The most dangerous fault in an alternator is
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Jun 16ESE & GATE EE
