Switch Gear A.C. network analyzer is used to solve problems of Load flow Load flow, short-circuit and stability Load flow and stability Load flow and short-circuit Load flow Load flow, short-circuit and stability Load flow and stability Load flow and short-circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception None of these interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation interception None of these interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through current transformer None of these fuse power transformer current transformer None of these fuse power transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is None of these always less than 1 always more than 1 always 1 None of these always less than 1 always more than 1 always 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker 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 lubricate the contacts insulate the contacts from switch body extinguish the arc None of these All of these lubricate the contacts insulate the contacts from switch body extinguish the arc None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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