Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage drop voltage rise heavy current flow no current flow voltage drop voltage rise heavy current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current controlling device current limiting device None of these protective device current controlling device current limiting device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of many turns of thick wire many turns of thin wire few turns of thick wire few turns of thin wire many turns of thick wire many turns of thin wire few turns of thick wire few turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
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