Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time operation time lead time lag time clearing time operation time lead time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through fuse power transformer current transformer None of these fuse power transformer current transformer None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 2 4 6 8 2 4 6 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage peak voltage supply voltage recovery voltage restriking voltage peak voltage supply voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
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