Switch Gear A circuit breaker is a current limiting device None of these current controlling device circuit interrupting device current limiting device None of these current controlling device circuit interrupting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault line to ground fault all three lines short-circuited ANSWER DOWNLOAD EXAMIANS APP
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 25 A 3.125 A 12.5 A 6.25 A 25 A 3.125 A 12.5 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control opens automatically None of these is opened manually is opened by remote control opens automatically None of these is opened manually ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time lag time lead time operation time clearing time lag time lead time operation time ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS