Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line capacitive reactance improve line voltage None of these compensate for line inductive reactance compensate for line capacitive reactance improve line voltage None of these compensate for line inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 6 4 2 8 6 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception and conduction interception, conduction, dissipation and reflection interception interception, conduction and dissipation None of these interception and conduction interception, conduction, dissipation and reflection interception interception, conduction and dissipation None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.5 sec 50 milli-second 0.1 sec 100 micro-second 0.5 sec 50 milli-second 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS