Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 10 MJ 5 MJ 500 MJ 50 MJ 10 MJ 5 MJ 500 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to None of these raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. reduce the effect of water hammer. None of these raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. zero. two - thirds of maximum. one - third of minimum. one - third of maximum. zero. two - thirds of maximum. one - third of minimum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 100 : 5 / √3. 200 : 5 / √3. 120 : 6 / √3. 150 : 4 / √3. 100 : 5 / √3. 200 : 5 / √3. 120 : 6 / √3. 150 : 4 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when phase angle become high reactive power goes beyond limit any of the above voltage at the bus become high phase angle become high reactive power goes beyond limit any of the above voltage at the bus become high ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of diesel power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. ANSWER DOWNLOAD EXAMIANS APP
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