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 The current rating of a fuse is 5A. The fusing current will be more than 5A 2.5 A 1 A 5 A more than 5A 2.5 A 1 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils high speed opening of contacts all of these wide separation of the opened contacts arc suppressing blow out coils high speed opening of contacts all of these wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.10 sec 0.001 sec 0.01 sec 0.003 sec 0.10 sec 0.001 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high impedance high resistance low resistance low impedance high impedance high resistance low resistance low impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas has pungent small is lighter than air Is nontoxic is yellow in colour has pungent small is lighter than air Is nontoxic is yellow in colour ANSWER DOWNLOAD EXAMIANS APP