Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String efficiency depends upon all of these. voltage rating of whole string. no. of SCR in the string. voltage rating of one SCR. all of these. voltage rating of whole string. no. of SCR in the string. voltage rating of one SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by condenser. superheater. feed water pump. turbine. condenser. superheater. feed water pump. turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat frequency control parallel frequency All of these flat tie line control flat frequency control parallel frequency All of these flat tie line control ANSWER DOWNLOAD EXAMIANS APP
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