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 8 4 6 2 8 4 6 2 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line None of these zero infinity unity None of these zero infinity unity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power voltage wave current All of these power voltage wave current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current controlling device protective device None of these current limiting device current controlling device protective device None of these current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper porcelain copper tungsten alloy aluminium alloy electrolytic copper porcelain copper tungsten alloy aluminium alloy ANSWER DOWNLOAD EXAMIANS APP