Switch Gear Wave trap is used to trap waves of None of these higher frequencies entering generator or transformer units power frequencies either of the above None of these higher frequencies entering generator or transformer units power frequencies either of the above ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays electronic relays electro-mechanical relays None of these thermal relays electronic relays electro-mechanical relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 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 All of these None of these lubricate the contacts extinguish the arc insulate the contacts from switch body All of these None of these lubricate the contacts extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in voltage and current temperature All of these resistance, reactance and impedance voltage and current temperature All of these resistance, reactance and impedance ANSWER DOWNLOAD EXAMIANS APP
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