Switch Gear SF 6 gas is lighter than air has pungent small Is nontoxic is yellow in colour is lighter than air has pungent small Is nontoxic is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under after dc component has ceased transient state of short circuit current sub-transient state of short circuit current steady state of short circuit current after dc component has ceased transient state of short circuit current sub-transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thin wire many turns of thin wire few turns of thick wire many turns of thick wire few turns of thin wire many turns of thin wire few turns of thick wire many turns of thick wire ANSWER DOWNLOAD EXAMIANS APP
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 Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
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