Switch Gear For the same power, the least size is of vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum current minimum voltage maximum voltage zero current maximum current minimum voltage maximum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current sub-transient state of short circuit current steady state of short circuit current after dc component has ceased transient state of short circuit current sub-transient state of short circuit current steady state of short circuit current after dc component has ceased ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 20 kA 60 kA 35 kA 80 kA 20 kA 60 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as 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 a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP