Switch Gear Current chopping mainly occurs in oil circuit breaker vaccum circuit breaker sf 6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf 6 circuit breaker air-blast circuit breaker 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 3.125 A 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is None of these directional relay non-directional relay impedance relay None of these directional relay non-directional relay impedance relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called recovery voltage peak voltage supply voltage restriking voltage recovery voltage peak voltage supply voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance a resistance decreasing with voltage rise across the arc an inductive reactance a resistance increasing with voltage rise across the arc a capacitive reactance a resistance decreasing with voltage rise across the arc an inductive reactance a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure impulse voltage loose connection mechanical vibration insulation failure impulse voltage loose connection mechanical vibration ANSWER DOWNLOAD EXAMIANS APP
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