Switch Gear The fuse wire, in DC circuit, is inserted in negative circuit only positive circuit only Both positive and negative circuit None of these negative circuit only positive circuit only Both positive and negative circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases None of these remains same increases decreases None of these remains same increases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always leading the arc current by 90° In phase with the arc current None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these lagging the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires 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 arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 always less than 1 always 1 None of these always more than 1 always less than 1 always 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic ANSWER DOWNLOAD EXAMIANS APP