Power Systems Stock bridge dampers are used to reduce the tension 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because its tensile strength is more it is cheaper and lighter costlier it is more conductive its tensile strength is more it is cheaper and lighter costlier it is more conductive ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as long transmission line any of the above medium transmission line shunt capacitor long transmission line any of the above medium transmission line shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 0.5 ohm 5 ohms 500 ohms 50 ohms 0.5 ohm 5 ohms 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine total units of energy available. diversity factor for the plant. load factory at the plant. total power available at the site. total units of energy available. diversity factor for the plant. load factory at the plant. total power available at the site. 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 225 electrical degrees/s² 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 ANSWER DOWNLOAD EXAMIANS APP
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