Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.5 sec 0.1 sec 50 milli-second 100 micro-second 0.5 sec 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power voltage wave All of these current power voltage wave All of these current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time lead time operation time lag time clearing time lead time operation time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is voltage wave only both current wave and voltage wave power factor wave only current wave only voltage wave only both current wave and voltage wave power factor wave only current wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 33 kV 11 kV 132 kV 66 kV 33 kV 11 kV 132 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
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