Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 always 1 always less than 1 None of these always more than 1 always 1 always less than 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker 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 extinguish the arc insulate the contacts from switch body None of these lubricate the contacts All of these extinguish the arc insulate the contacts from switch body None of these lubricate the contacts All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under normal conditions None of these full load no load normal conditions None of these full load no load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
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