Switch Gear Directional relay are based on flow of current All of these voltage wave power current All of these voltage wave power ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors isolators earth wires H.R. fuses reactors isolators earth wires H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? time-delay trip None of these inverse time trip shunt trip time-delay trip None of these inverse time trip shunt trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control None of these is opened manually opens automatically is opened by remote control None of these is opened manually opens automatically ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of volts MVA Mw amperes volts MVA Mw amperes ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP