Switch Gear An isolator is designed to open a circuit under normal conditions None of these no load full load normal conditions None of these no load full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to None of these open the circuit protect the line protect the appliance prevent excessive currents None of these open the circuit protect the line protect the appliance prevent excessive currents ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Generators Transmission line Motors Transformers Generators Transmission line Motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in negative circuit only none of the listed here positive circuit only Both of the listed here negative circuit only none of the listed here positive circuit only Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage recovery voltage peak voltage restriking voltage supply voltage recovery voltage peak voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.05 sec 0.2 sec 0.002 sec 0.001 sec 0.05 sec 0.2 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP