Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to line fault line to ground fault two lines to ground fault all three lines short-circuited line to line fault line to ground fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used H.R. fuses isolators earth wires reactors H.R. fuses isolators earth wires reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances higher than that of if fault occurs away from the relay None of these Lower than that of if fault occurs away from the relay constant for all distances higher than that of if fault occurs away from the relay None of these Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened manually None of these is opened by remote control opens automatically is opened manually None of these is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS