Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts all of these foreign matter on the contact surface too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 2 4 8 6 2 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The power loss is an important factor for the design of generator motor feeder transmission line generator motor feeder transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay directional relay impedance relay None of these non-directional relay directional relay impedance relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is power factor wave only both current wave and voltage wave current wave only voltage wave only power factor wave only both current wave and voltage wave current wave only voltage wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the rate of flux built up armature core air gap the spring tension All of these the rate of flux built up armature core air gap the spring tension ANSWER DOWNLOAD EXAMIANS APP