Power Systems Which of the following circuit breakers produce least arc energy? Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is any of the above zero less larger any of the above zero less larger ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce proximity effect ferranti effect skin effect interference with neighbouring communication lines proximity effect ferranti effect skin effect interference with neighbouring communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near turbine. reservoir. tail race. dam. turbine. reservoir. tail race. dam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? Both power and telecommunication lines either 1 or 2 None of these Power line Both power and telecommunication lines either 1 or 2 None of these Power line ANSWER DOWNLOAD EXAMIANS APP
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