Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time lead time lag time operation time clearing time lead time lag time operation time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity unity zero None of these infinity unity zero None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for short duty over currents repeated duty intermittent duty short duty over currents repeated duty intermittent duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be Lower than that of if fault occurs away from the relay constant for all distances higher than that of if fault occurs away from the relay None of these Lower than that of if fault occurs away from the relay constant for all distances higher than that of if fault occurs away from the relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these arc suppressing blow out coils high speed opening of contacts wide separation of the opened contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP