Switch Gear A fuse is never inserted in phase line neutral wire positive of dc circuit negative of dc circuit phase line neutral wire positive of dc circuit negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under sub-transient state of short circuit current steady state of short circuit current transient state of short circuit current after dc component has ceased sub-transient state of short circuit current steady state of short circuit current transient state of short circuit current after dc component has ceased ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by All of these H.R.'only rewirable fuse relay All of these H.R.'only rewirable fuse relay 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 lag time operation time lead time clearing time lag time operation time lead time clearing time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the spring tension the rate of flux built up armature core air gap All of these the spring tension the rate of flux built up armature core air gap All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only None of these open-circuit faults only both open and short-circuit faults short-circuit faults only None of these open-circuit faults only both open and short-circuit faults ANSWER DOWNLOAD EXAMIANS APP