Switch Gear The time of closing the cycle, in modern circuit breakers is 0.10 sec 0.003 sec 0.01 sec 0.001 sec 0.10 sec 0.003 sec 0.01 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires high speed opening of contacts arc suppressing blow out coils all of these wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against open circuits reverse current overload short circuits open circuits reverse current overload short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero infinity None of these unity zero infinity None of these unity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. air break SFe bulk oil minimum oil air break SFe bulk oil minimum oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 3.125 A 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS