Switch Gear When a fault occur in a power system, the circuit breaker is opened manually None of these opens automatically is opened by remote control is opened manually None of these opens automatically is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors None of these resistors capacitors reactors None of these resistors capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection impulse voltage insulation failure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance ANSWER DOWNLOAD EXAMIANS APP
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