Power Systems Example of base load stations are gas turbine. both A and B. hydro. thermal. gas turbine. both A and B. hydro. thermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? -0.52 Hz 0.48 Hz 50 Hz 0.52 Hz -0.52 Hz 0.48 Hz 50 Hz 0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 30° 45° 60° 35° 30° 45° 60° 35° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying air gap of magnetic path. no. of ampere-turns. none of these. adjustable back up stop. air gap of magnetic path. no. of ampere-turns. none of these. adjustable back up stop. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support All of these increase the sag reduce the tension reduce the vibrations at the point of support All of these increase the sag reduce the tension ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following are the fertile materials U233 and Pu239. U238 and Th232. U238 and Th239. U238 and Pu239. U233 and Pu239. U238 and Th232. U238 and Th239. U238 and Pu239. ANSWER DOWNLOAD EXAMIANS APP