Switch Gear Distance relays are generally impedance relays split-phase relays none of these reactance relays impedance relays split-phase relays none of these reactance relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the appliance protect the line open the circuit prevent excessive currents None of these protect the appliance protect the line open the circuit prevent excessive currents None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is isolator None of these relay circuit breaker isolator None of these relay circuit breaker 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 0.1 sec 50 milli-second 100 micro-second 0.5 sec 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always less than 1 always 1 None of these always more than 1 always less than 1 always 1 None of these always more than 1 ANSWER DOWNLOAD EXAMIANS APP
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