Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 35 kA 80 kA 60 kA 20 kA 35 kA 80 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.002 sec 0.2 sec 0.05 sec 0.001 sec 0.002 sec 0.2 sec 0.05 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of power frequencies None of these higher frequencies entering generator or transformer units either of the above power frequencies None of these higher frequencies entering generator or transformer units either of the above ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 200 A 20 A 50 A 100 A 200 A 20 A 50 A 100 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is circuit breaker isolator relay None of these circuit breaker isolator relay None of these ANSWER DOWNLOAD EXAMIANS APP
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