Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault line to ground fault all three lines short-circuited 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 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 extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in temperature resistance, reactance and impedance All of these voltage and current temperature resistance, reactance and impedance All of these voltage and current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching an electrical circuit 111 interrupting an electrical circuit switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching an electrical circuit 111 interrupting an electrical circuit switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 200 A 100 A 50 A 20 A 200 A 100 A 50 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called recovery voltage supply voltage restriking voltage peak voltage recovery voltage supply voltage restriking voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
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