Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited two lines to ground fault line to ground fault line to line fault all three lines short-circuited two lines to ground fault line to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of either of the above power frequencies None of these higher frequencies entering generator or transformer units either of the above power frequencies None of these higher frequencies entering generator or transformer units ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty intermittent duty short duty over currents repeated duty intermittent duty short duty over currents ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is lighter than air is nontoxic is yellow in colour None of these has pungent small is lighter than air is nontoxic is yellow in colour None of these has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability All of these high speed and selectivity economy and simplicity good selectivity and reliability All of these high speed and selectivity economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thick wire many turns of thick wire many turns of thin wire few turns of thin wire few turns of thick wire many turns of thick wire many turns of thin wire few turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS