Switch Gear For the protection of power station buildings against direct strokes the requirements are interception and conduction interception None of these interception, conduction, dissipation and reflection interception, conduction and dissipation interception and conduction interception None of these interception, conduction, dissipation and reflection interception, conduction and dissipation 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 lag time operation time clearing time lead time lag time operation time clearing time lead time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 20 kA 35 kA 80 kA 60 kA 20 kA 35 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Impedance None of these Induction type Reactance Impedance None of these Induction type Reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these ANSWER DOWNLOAD EXAMIANS APP
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