Power Systems Water hamming process in pen-stocks results in None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. None of these noise increases, pressure increases, velocity decreases. pressure increases. noise increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.05 0.02 0.025 0.25 0.05 0.02 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency 30.26 %. 40 %. 30.7 %. 40.85 %. 30.26 %. 40 %. 30.7 %. 40.85 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. unit horse power at unit head. a minimum horse power. maximum horse power. unit horse power at all heads. unit horse power at unit head. a minimum horse power. maximum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 66.66% 25% 75% 33.33% 66.66% 25% 75% 33.33% ANSWER DOWNLOAD EXAMIANS APP
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