Switch Gear The main function of a fuse is to protect the appliance None of these prevent excessive currents open the circuit protect the line protect the appliance None of these prevent excessive currents open the circuit protect the line 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 In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as operation time lag time lead time clearing time operation time lag time lead time clearing time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line None of these unity zero infinity None of these unity zero infinity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Motors Transformers Generators Transmission line Motors Transformers Generators Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon graphite tungsten silver carbon graphite tungsten silver ANSWER DOWNLOAD EXAMIANS APP
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