Power Systems A penstock is used as a condition between none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Directly proportional to its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to square root of its length. Independent of its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.0. 0.75. 0.99. 1.35. 1.0. 0.75. 0.99. 1.35. 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 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 22.5 electrical degrees/s² 225 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by increasing voltage level either 1 or 2 decreasing reactance value nether 1 nor 2 increasing voltage level either 1 or 2 decreasing reactance value nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Any of these. Oil CB. Air blast CB. Vacuum CB. Any of these. Oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP