Power Systems Galvanised steel is generally used as earth wire. structural components. All of these stray wire. earth wire. structural components. All of these stray wire. 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 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 225 electrical degrees/s² 125 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? nether 1 nor 2 either 1 or 2 Nominal ∏ Nominal T nether 1 nor 2 either 1 or 2 Nominal ∏ Nominal T ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true regarding infinite line? It has infinite length both 2 and 3 It has infinite voltage It maintains the constant voltage It has infinite length both 2 and 3 It has infinite voltage It maintains the constant voltage 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 50 Hz -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pin insulators are used up to 33 kV any voltage level 120 kV 11 kV 33 kV any voltage level 120 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP