Switch Gear A differential relay measures the vector difference between two voltages two currents None of these two or more similar electrical quantities two voltages two currents None of these two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of voltage wave current All of these power voltage wave current All of these power ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 0.8 sec 1 sec 1.5 sec 0.002 sec 0.8 sec 1 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires reactors isolators H.R. fuses earth wires reactors isolators H.R. fuses ANSWER DOWNLOAD EXAMIANS APP