Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 750 MW 250 MW 1250 MW 500 MW 750 MW 250 MW 1250 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Nuclear plant. Steam plant. Diesel plant. Hydroelectric plant. Nuclear plant. Steam plant. Diesel plant. Hydroelectric plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is zero. one - third of minimum. two - thirds of maximum. one - third of maximum. zero. one - third of minimum. two - thirds of maximum. one - third of maximum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the zero sequence network positive sequence network All of these negative sequence network zero sequence network positive sequence network All of these negative sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 50.5% 75% 62.5% 25% 50.5% 75% 62.5% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 88.2% 15% 11.8% 85% 88.2% 15% 11.8% 85% ANSWER DOWNLOAD EXAMIANS APP
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