Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A more than 1000 A 300 A 100 A 200 A more than 1000 A 300 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under normal conditions no load None of these full load normal conditions no load None of these full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against overload open circuits short circuits reverse current overload open circuits short circuits reverse current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in neutral wire phase line positive of dc circuit negative of dc circuit neutral wire phase line positive of dc circuit negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas has pungent small is lighter than air None of these is yellow in colour is nontoxic has pungent small is lighter than air None of these is yellow in colour is nontoxic ANSWER DOWNLOAD EXAMIANS APP