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 For the protection of power station buildings against direct strokes the requirements are interception, conduction, dissipation and reflection interception and conduction interception interception, conduction and dissipation None of these interception, conduction, dissipation and reflection interception and conduction interception interception, conduction and dissipation None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 2.5 A 5 A more than 5A 1 A 2.5 A 5 A more than 5A 1 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to open the circuit prevent excessive currents None of these protect the appliance protect the line open the circuit prevent excessive currents None of these protect the appliance protect the line ANSWER DOWNLOAD EXAMIANS APP