Switch Gear The operating time of a fuse is about 1.5 sec 0.8 sec 0.002 sec 1 sec 1.5 sec 0.8 sec 0.002 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.2 sec 0.002 sec 0.05 sec 0.001 sec 0.2 sec 0.002 sec 0.05 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically None of these is opened manually is opened by remote control opens automatically None of these is opened manually is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current maximum current maximum voltage minimum voltage zero current maximum current maximum voltage minimum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is relay isolator None of these circuit breaker relay isolator None of these circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 35 kA 20 kA 60 kA 80 kA 35 kA 20 kA 60 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
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