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 12.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 750 Ω 1500 Ω 3000 Ω 1000 Ω 750 Ω 1500 Ω 3000 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector nuclear reactor are made of steel. beryllium. boron. cast iron. steel. beryllium. boron. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by superheater. turbine. condenser. feed water pump. superheater. turbine. condenser. feed water pump. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to remove dissolved gases in water. remove dissolved. heat the feed water. heat the steam. remove dissolved gases in water. remove dissolved. heat the feed water. heat the steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with both 1 and 2 increase in height of conductors above ground increase in mutual geometrical mean distance neither 1 nor 2 both 1 and 2 increase in height of conductors above ground increase in mutual geometrical mean distance neither 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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