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 HRC fuses provide best protection against reverse current short circuits open circuits overload reverse current short circuits open circuits overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power voltage wave All of these current power voltage wave All of these current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 200 A 50 A 20 A 100 A 200 A 50 A 20 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 1 A 2.5 A more than 5A 5 A 1 A 2.5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP