Power Systems Which material is used in controlling chain reaction in a nuclear reactor Thorium. Boron. Heavy water. Beryllium. Thorium. Boron. Heavy water. Beryllium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Pulverising unit. Cooling tower. Wind turbine. Condenser. Pulverising unit. Cooling tower. Wind turbine. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to its length. Directly proportional to its length. 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
Power Systems Critical disruptive voltage is a voltage at which corona is visible with blue or violet colour both 1 and 2 corona is just initiated nether 1 nor 2 corona is visible with blue or violet colour both 1 and 2 corona is just initiated nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 3 × 106 kWh. 4.06 × 106 kWh. 5 × 106 kWh. 2.044 × 106 kWh. 3 × 106 kWh. 4.06 × 106 kWh. 5 × 106 kWh. 2.044 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP