Power Systems Which of the following statements is/are true? Due to corona, interference increases charging current increases power loss increases All of these interference increases charging current increases power loss increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum most economical as a peak load supply plant used as load frequency control All of these operating time is minimum most economical as a peak load supply plant used as load frequency control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Plain oil CB. Air break CB. Minimum oil CB. Air blast CB. Plain oil CB. Air break CB. Minimum oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of power cables same in both cases None of these over head lines power cables same in both cases None of these over head lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on R × I. the switch voltage. the lighting voltage. corona. R × I. the switch voltage. the lighting voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 48.36 kV 52.84 kV 83.76 kV 20 kV 48.36 kV 52.84 kV 83.76 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP
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