Switch Gear For the same power, the least size is of vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to ground fault line to line fault two lines to ground fault all three lines short-circuited line to ground fault line to line fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases increases remains same None of these decreases increases remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened manually opens automatically is opened by remote control None of these is opened manually opens automatically is opened by remote control None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against reverse current open circuits short circuits overload reverse current open circuits short circuits overload ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS