Switch Gear To limit short-circuit current in a power system are used H.R. fuses earth wires isolators reactors H.R. fuses earth wires isolators reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under 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 transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 12.5 A 3.125 A 25 A 6.25 A 12.5 A 3.125 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is 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 all three lines short-circuited ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in All of these resistance, reactance and impedance temperature voltage and current All of these resistance, reactance and impedance temperature voltage and current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors two single phase motors running in parallel single phase motors only two phase motors only three phase motors two single phase motors running in parallel single phase motors only two phase motors only ANSWER DOWNLOAD EXAMIANS APP