Switch Gear Most of the relays on service on electric power system are thermal relays electronic relays None of these electro-mechanical relays thermal relays electronic relays None of these electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically None of these is opened by remote control is opened manually opens automatically None of these is opened by remote control is opened manually ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself fault occurs with respect to earthing fault occurs on neutral line two or more faults occur simultaneously fault occurs on the bus itself fault occurs with respect to earthing fault occurs on neutral line two or more faults occur simultaneously ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception and conduction interception, conduction and dissipation None of these interception interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation None of these interception interception, conduction, dissipation and reflection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line None of these protect the appliance prevent excessive currents open the circuit protect the line None of these protect the appliance prevent excessive currents open the circuit 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 35 kA 60 kA 80 kA 20 kA 35 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
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