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
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.01 sec 0.001 sec 0.003 sec 0.10 sec 0.01 sec 0.001 sec 0.003 sec 0.10 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally reactance relays split-phase relays impedance relays none of these reactance relays split-phase relays impedance relays none of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power voltage wave All of these current power voltage wave All of these current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of aluminium alloy porcelain electrolytic copper copper tungsten alloy aluminium alloy porcelain electrolytic copper copper tungsten alloy ANSWER DOWNLOAD EXAMIANS APP
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