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SSC JE 2017: Switchgear & protection Rankers Quiz 1
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Question 1
If the fault current is 2000 A, the relay setting 50% and C.T. ratio 400/5, the plug setting multiplier will be
Question 2
The equipment used for the protection of power system against lightning surges is
Question 3
The least expensive protection for low-voltage system is
Question 4
In a bulk oil circuit breaker, the oil actually used for arc extinction is about
Question 5
The ground wires are placed………………..the line conductors.
Question 6
Overheating of a transformer may be due to
Question 7
The current rating of a fuse is 5 A. The fusing current will be
Question 8
In a short transmission line,
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Jun 29ESE & GATE EE
