Switch Gear The fault that imposes severest duty on the circuit breaker is line to ground fault all three lines short-circuited two lines to ground fault line to line fault line to ground fault all three lines short-circuited two lines to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of VAR current kVA voltage VAR current kVA voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction and dissipation interception None of these interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation interception None of these interception, conduction, dissipation and reflection interception and conduction ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators earth wires H.R. fuses reactors isolators earth wires H.R. fuses reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current controlling device None of these current limiting device protective device current controlling device None of these current limiting device ANSWER DOWNLOAD EXAMIANS APP