Power Systems The rating of CB is in terms of current. volt - ampere. VAR. voltage. current. volt - ampere. VAR. voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 90% 50% 75% 86%% 90% 50% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference lighting voltage skin effect switching over voltage radio interference lighting voltage skin effect switching over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Geothermal. Wind. Solar. Tidal. Geothermal. Wind. Solar. Tidal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by hissing sound power loss and interference violet visible light All of these hissing sound power loss and interference violet visible light All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu 7 pu ANSWER DOWNLOAD EXAMIANS APP
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