Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction, dissipation and reflection interception, conduction and dissipation None of these interception and conduction interception interception, conduction, dissipation and reflection interception, conduction and dissipation None of these interception and conduction interception 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 For which of the following protection from negative sequence currents is provided ? Transmission line Generators Motors Transformers Transmission line Generators Motors Transformers ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to ground fault line to line fault two lines to ground fault all three lines short-circuited line to ground fault line to line fault two lines to ground fault all three lines short-circuited 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 Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
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