Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A 300 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under 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 sub-transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.01 sec 0.10 sec 0.001 sec 0.003 sec 0.01 sec 0.10 sec 0.001 sec 0.003 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 5 A 30 A 20 A 10 A 5 A 30 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by rewirable fuse relay All of these H.R.'only rewirable fuse relay All of these H.R.'only ANSWER DOWNLOAD EXAMIANS APP
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