Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A _______ is used to measure the stator % winding temperature of the generator. resistance thermometer thermocouple pyrometer thermometer resistance thermometer thermocouple pyrometer thermometer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two voltages two currents None of these two or more similar electrical quantities two voltages two currents None of these two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts all of these foreign matter on the contact surface too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.01 sec 0.10 sec 0.003 sec 0.001 sec 0.01 sec 0.10 sec 0.003 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
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