Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lead time operation time clearing time lag time lead time operation time clearing time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 750 A 1500/√3 A None of these 1500 A 750 A 1500/√3 A None of these 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. None of these resistors capacitors reactors None of these resistors capacitors reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 2.5 A 1 A more than 5A 5 A 2.5 A 1 A more than 5A 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 line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through current transformer None of these fuse power transformer current transformer None of these fuse power transformer ANSWER DOWNLOAD EXAMIANS APP
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