Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 100 micro-second 50 milli-second 0.1 sec 0.5 sec 100 micro-second 50 milli-second 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is None of these always less than 1 always more than 1 always 1 None of these always less than 1 always more than 1 always 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is nontoxic is yellow in colour has pungent small is lighter than air None of these is nontoxic is yellow in colour has pungent small is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to the current proportional to square of the current inversely proportional to the square of the current inversely proportional to the current proportional to the current proportional to square of the current inversely proportional to the square of the current inversely proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS