Switch Gear The operating time of a fuse is about 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for short duty repeated duty intermittent duty over currents short duty repeated duty intermittent duty over currents ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of voltage kVA VAR current voltage kVA VAR current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under sub-transient state of short circuit current after dc component has ceased steady state of short circuit current transient state of short circuit current sub-transient state of short circuit current after dc component has ceased steady state of short circuit current transient state of short circuit current 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 lead time lag time operation time clearing time lead time lag time operation time clearing time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP