Power Systems Which of the following statements is/are true regarding HVDC? All of these There is no skin effect in dc line Corona loss is very much reduced in the dc line HVDC can utilize earth for its return path All of these There is no skin effect in dc line Corona loss is very much reduced in the dc line HVDC can utilize earth for its return path ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Nuclear. Gas-turbine. Hydro Power Plant Thermal. Nuclear. Gas-turbine. Hydro Power Plant Thermal. 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% 75% 50% 86%% 90% 75% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Oil CB. Air blast CB. Any of these. Vacuum CB. Oil CB. Air blast CB. Any of these. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor unity power factor All of these lagging power factor leading power factor unity power factor All of these lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives maximum demand units generated average load maximum load maximum demand units generated average load maximum load ANSWER DOWNLOAD EXAMIANS APP
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