Power Systems At slack bus, which one of the following combinations of variables is not specified? P and V P and Q V and δ Q and V P and V P and Q V and δ Q and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in alternator. transformer. both A and B. bus bars. alternator. transformer. both A and B. bus bars. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rating of fuse wire is always expressed in ampere-hours. ampere-volts. amperes. kWh. ampere-hours. ampere-volts. amperes. kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are None of these fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. None of these fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.75. 1.0. 1.35. 0.99. 0.75. 1.0. 1.35. 0.99. 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 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP