Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.10 sec 0.001 sec 0.01 sec 0.003 sec 0.10 sec 0.001 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection impulse voltage insulation failure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against overload reverse current open circuits short circuits overload reverse current open circuits short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electro-mechanical relays electronic relays thermal relays None of these electro-mechanical relays electronic relays thermal relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors isolators H.R. fuses earth wires reactors isolators H.R. fuses earth wires ANSWER DOWNLOAD EXAMIANS APP