Switch Gear The operating time of a circuit breaker is 0.05 sec 0.002 sec 0.2 sec 0.001 sec 0.05 sec 0.002 sec 0.2 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current steady state of short circuit current after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current after dc component has ceased sub-transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases remains same decreases None of these increases remains same decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators earth wires reactors H.R. fuses isolators earth wires reactors H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances None of these higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay constant for all distances None of these higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The power loss is an important factor for the design of feeder generator motor transmission line feeder generator motor transmission line ANSWER DOWNLOAD EXAMIANS APP