Switch Gear For the protection of power station buildings against direct strokes the requirements are interception and conduction interception interception, conduction, dissipation and reflection interception, conduction and dissipation None of these interception and conduction interception interception, conduction, dissipation and reflection interception, conduction and dissipation None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? inverse time trip shunt trip time-delay trip None of these inverse time trip shunt trip time-delay trip None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum current maximum voltage minimum voltage zero current maximum current maximum voltage minimum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 12.5 A 6.25 A 3.125 A 25 A 12.5 A 6.25 A 3.125 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 None of these always 1 always less than 1 always more than 1 None of these always 1 always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance ANSWER DOWNLOAD EXAMIANS APP
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