Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of 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 few turns of thin wire many turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line prevent excessive currents protect the appliance None of these open the circuit protect the line prevent excessive currents protect the appliance None of these open the circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of None of these either of the above higher frequencies entering generator or transformer units power frequencies None of these either of the above higher frequencies entering generator or transformer units power frequencies ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for over currents short duty intermittent duty repeated duty over currents short duty intermittent duty repeated duty ANSWER DOWNLOAD EXAMIANS APP