Switch Gear An isolator is designed to open a circuit under None of these full load normal conditions no load None of these full load normal conditions no load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is voltage wave only current wave only both current wave and voltage wave power factor wave only voltage wave only current wave only both current wave and voltage wave power factor wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A more than 1000 A 300 A 100 A 200 A more than 1000 A 300 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage supply voltage peak voltage recovery voltage restriking voltage supply voltage peak voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
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