Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases None of these remains same decreases increases None of these remains same decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened manually None of these is opened by remote control opens automatically is opened manually None of these is opened by remote control opens automatically ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under normal conditions full load no load None of these normal conditions full load no load None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by heavy current flow voltage rise no current flow voltage drop heavy current flow voltage rise no current flow voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault all three lines short-circuited two lines to ground fault line to ground fault line to line fault all three lines short-circuited two lines to ground fault line to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? time-delay trip shunt trip None of these inverse time trip time-delay trip shunt trip None of these inverse time trip ANSWER DOWNLOAD EXAMIANS APP