Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf 6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 100 A more than 1000 A 300 A 200 A 100 A more than 1000 A 300 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors H.R. fuses isolators earth wires reactors H.R. fuses isolators earth wires ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance a resistance increasing with voltage rise across the arc an inductive reactance a resistance decreasing with voltage rise across the arc a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure impulse voltage mechanical vibration loose connection insulation failure impulse voltage mechanical vibration loose connection ANSWER DOWNLOAD EXAMIANS APP
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