Switch Gear Current chopping mainly occurs in sf 6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf 6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low cost high conductivity low melting point All of these low cost high conductivity low melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators H.R. fuses earth wires reactors isolators H.R. fuses earth wires reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to None of these open the circuit protect the line prevent excessive currents protect the appliance None of these open the circuit protect the line prevent excessive currents protect the appliance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have low resistance high impedance low impedance high resistance low resistance high impedance low impedance high resistance ANSWER DOWNLOAD EXAMIANS APP