Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 10 MW 5 MW 20 MW 15 MW 10 MW 5 MW 20 MW 15 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because nether 1 nor 2 both 1 and 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents nether 1 nor 2 both 1 and 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 80.25 %. 79.33 %. 78.96 %. 74.56 %. 80.25 %. 79.33 %. 78.96 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
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 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 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end All of these shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.75. 0.99. 1.0. 1.35. 0.75. 0.99. 1.0. 1.35. ANSWER DOWNLOAD EXAMIANS APP