Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper copper tungsten alloy aluminium alloy porcelain electrolytic copper copper tungsten alloy aluminium alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in Both of the listed here negative circuit only none of the listed here positive circuit only Both of the listed here negative circuit only none of the listed here positive circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time operation time lead time lag time clearing time operation time lead time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has a linear characteristic None of these is a circle has inverse characteristic has a linear characteristic None of these is a circle has inverse characteristic ANSWER DOWNLOAD EXAMIANS APP
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