Switch Gear A fuse is never inserted in negative of dc circuit phase line positive of dc circuit neutral wire negative of dc circuit phase line positive of dc circuit neutral wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.10 sec 0.001 sec 0.01 sec 0.003 sec 0.10 sec 0.001 sec 0.01 sec 0.003 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors two single phase motors running in parallel single phase motors only two phase motors only three phase motors two single phase motors running in parallel single phase motors only two phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thick wire many turns of thick wire many turns of thin wire few turns of thin wire few turns of thick wire many turns of thick wire many turns of thin wire few turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
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