Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same None of these decreases increases remains same None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two single phase motors running in parallel three phase motors two phase motors only single phase motors only two single phase motors running in parallel three phase motors two phase motors only single phase motors only 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 For the protection of power station buildings against direct strokes the requirements are interception interception and conduction interception, conduction, dissipation and reflection interception, conduction and dissipation None of these interception interception and conduction interception, conduction, dissipation and reflection interception, conduction and dissipation None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is circuit breaker None of these relay isolator circuit breaker None of these relay isolator ANSWER DOWNLOAD EXAMIANS APP