Power Systems Load frequency control is achieved by properly matching the individual machines generator ratings. generated voltages. reactive powers. turbine inputs. generator ratings. generated voltages. reactive powers. turbine inputs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 2 6 16 10 2 6 16 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Flexible power has to be available. All of these Reliable power has to be available Cost of electrical energy per KWh is to be minimum Flexible power has to be available. All of these Reliable power has to be available Cost of electrical energy per KWh is to be minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems Alternate formation and breakage of bubbles are called cavitations. All of these water hamming. surgfication. cavitations. All of these water hamming. surgfication. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to none of these. transient voltage. normal frequency 50 Hz rms voltage. arcing period voltage. none of these. transient voltage. normal frequency 50 Hz rms voltage. arcing period voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction None of these electro magnetic induction both 1 and 2 electro static induction None of these electro magnetic induction both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS