Switch Gear To limit short-circuit current in a power system are used isolators earth wires reactors H.R. fuses isolators earth wires reactors H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage recovery voltage arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current limiting device current controlling device circuit interrupting device None of these current limiting device current controlling device circuit interrupting device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection impulse voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit neutral wire phase line negative of dc circuit positive of dc circuit neutral wire phase line negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
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