Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv None of these 3.3 kV to 11 kv 33 kV to 66 kV 11 kv to 33 kv None of these 3.3 kV to 11 kv 33 kV to 66 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the spring tension the rate of flux built up armature core air gap All of these the spring tension the rate of flux built up armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is voltage wave only power factor wave only current wave only both current wave and voltage wave voltage wave only power factor wave only current wave only both current wave and voltage wave 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 extinguish the arc All of these insulate the contacts from switch body lubricate the contacts None of these extinguish the arc All of these insulate the contacts from switch body lubricate the contacts None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line unity infinity zero None of these unity infinity zero None of these ANSWER DOWNLOAD EXAMIANS APP
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