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 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Diesel engine. None of above. Steam accumulator. Hydraulic turbine. Diesel engine. None of above. Steam accumulator. Hydraulic turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. total power available at the site. load factory at the plant. total units of energy available. diversity factor for the plant. total power available at the site. load factory at the plant. total units of energy available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 75 / 0.736 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as earth wire. stray wire. structural components. All of these earth wire. stray wire. structural components. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against over voltage. temperature. overload. short circuit. over voltage. temperature. overload. short circuit. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS