Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 12.5 A 3.125 A 25 A 6.25 A 12.5 A 3.125 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in positive circuit only Both positive and negative circuit negative circuit only None of these positive circuit only Both positive and negative circuit negative circuit only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload open circuit, short-circuit and overload overload None of these short-circuit and overload open circuit, short-circuit and overload overload None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage peak voltage restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 100 micro-second 50 milli-second 0.1 sec 0.5 sec 100 micro-second 50 milli-second 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
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