Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays None of these electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. None of these reactors resistors capacitors None of these reactors resistors capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for over currents short duty intermittent duty repeated duty over currents short duty intermittent duty repeated duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transmission line Generators Motors Transformers Transmission line Generators Motors Transformers ANSWER DOWNLOAD EXAMIANS APP