Switch Gear An isolator is installed to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current controlling device None of these circuit interrupting device current limiting device current controlling device None of these circuit interrupting device current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.002 sec 0.2 sec 0.05 sec 0.001 sec 0.002 sec 0.2 sec 0.05 sec 0.001 sec 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 insulate the contacts from switch body lubricate the contacts extinguish the arc None of these All of these insulate the contacts from switch body lubricate the contacts extinguish the arc None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances None of these higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay constant for all distances None of these higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 66 kV 132 kV 33 kV 11 kV 66 kV 132 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
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