Switch Gear Current chopping mainly occurs in oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is yellow in colour is nontoxic is lighter than air has pungent small None of these is yellow in colour is nontoxic is lighter than air has pungent small None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is 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 voltage wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of tungsten silver carbon graphite tungsten silver carbon graphite ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker all are correct oil circuit breaker vaccum circuit breaker air-blast circuit breaker all are correct oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP