Switch Gear For the same power, the least size is of air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.01 sec 0.10 sec 0.001 sec 0.003 sec 0.01 sec 0.10 sec 0.001 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 All of these extinguish the arc lubricate the contacts None of these insulate the contacts from switch body All of these extinguish the arc lubricate the contacts None of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit phase line negative of dc circuit neutral wire positive of dc circuit phase line negative of dc circuit neutral wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against overload reverse current open circuits short circuits overload reverse current open circuits short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 200 A 20 A 100 A 50 A 200 A 20 A 100 A 50 A ANSWER DOWNLOAD EXAMIANS APP
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