Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage loose connection mechanical vibration insulation failure impulse voltage loose connection mechanical vibration insulation failure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 50 milli-second 100 micro-second 0.5 sec 0.1 sec 50 milli-second 100 micro-second 0.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be more than 5A 1 A 2.5 A 5 A more than 5A 1 A 2.5 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts all of these arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is two lines to ground fault all three lines short-circuited line to line fault line to ground fault two lines to ground fault all three lines short-circuited line to line fault line to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS