Switch Gear The fault that imposes severest duty on the circuit breaker is 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 two lines to ground fault all three lines short-circuited ANSWER DOWNLOAD EXAMIANS APP
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 relay operating coil is supplied through None of these power transformer current transformer fuse None of these power transformer current transformer fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of amperes volts Mw MVA amperes volts Mw MVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these decreases remains same increases None of these decreases remains same increases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is None of these always more than 1 always less than 1 always 1 None of these always more than 1 always less than 1 always 1 ANSWER DOWNLOAD EXAMIANS APP