Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is two lines to ground fault line to line fault all three lines short-circuited line to ground fault two lines to ground fault line to line fault all three lines short-circuited line to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in temperature resistance, reactance and impedance All of these voltage and current temperature resistance, reactance and impedance All of these voltage and current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is voltage wave only both current wave and voltage wave current wave only power factor wave only voltage wave only both current wave and voltage wave current wave only power factor wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 20 A 100 A 50 A 200 A 20 A 100 A 50 A 200 A ANSWER DOWNLOAD EXAMIANS APP
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