Switch Gear The operating time of a fuse is about 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage recovery voltage supply voltage restriking voltage peak voltage recovery voltage supply voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as 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 a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened manually None of these is opened by remote control opens automatically is opened manually None of these is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high impedance low impedance low resistance high resistance high impedance low impedance low resistance high resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between None of these two voltages two currents two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
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