Switch Gear To reduce short circuit fault currents......... are used. capacitors resistors None of these reactors capacitors resistors None of these reactors ANSWER DOWNLOAD EXAMIANS APP
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 more than 1000 A 100 A 200 A 300 A more than 1000 A 100 A 200 A 300 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit neutral wire phase line negative of dc circuit positive of dc circuit neutral wire phase line negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air has pungent small Is nontoxic is yellow in colour is lighter than air has pungent small Is nontoxic is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP