Switch Gear To limit short-circuit current in a power system are used H.R. fuses reactors isolators earth wires H.R. fuses reactors isolators earth wires ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Motors Transmission line Generators Transformers Motors Transmission line Generators Transformers ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of All of these voltage wave power current All of these voltage wave power current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a circuit interrupting device current controlling device None of these current limiting device circuit interrupting device current controlling device None of these current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to None of these All of these insulate the contacts from switch body extinguish the arc lubricate the contacts None of these All of these insulate the contacts from switch body extinguish the arc lubricate the contacts ANSWER DOWNLOAD EXAMIANS APP
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