At a hydroelectric power plant, water is directed at high speed against turbine blades on an axle that turns an electric generatior. For maximum power generation, should the turbine blades be desigened so that the water is brought to a dead stop, or so that the water rebounds?

In a hydroelectric power plant more electrical power can be generated if water falls a greater height because :

At a hydroelectric power plant, the water pressure head is at a height of 300 m and the water flow available is 100 m^(3) s^(-1) . If the turbine generator efficiency is 60%, estimate the electric power available from the plant (g = 9.8 ms^(-2)) .

A strong current of water turns the blades of a water turbine, because it possesses:

A perosn decides to use his bath tub water to generate electric power to run a 40W bulb. The bath tub is located at a height of 10m from the ground and it holds 200 litres of water. He instals a water driven wheel generator on the ground. At what rate should the water drain from the bath tub to light the bulb? How long can he keep the bulb on , if bath tub was full initially ? Efficiency of generator is 90% . Take g=9.8m//s^(2)

Water is falling on the blades of turbine at a rate of 100 kg/s from a certain spring. IF the height of the spring be 100 m, the power transferred to the turbine will be

Water flows through a tunnel from the reservior of a dam towards the turbine installed in its power plant . The power plant is situated h metre below the reservoir . If the ratio of the cross sectional areas of the tunnel at the resercoir and power station end is eta , find the speed of the water entering into the turbine .

A hydroelectric power station takes it water from a lake whose water level is at a higher of 50 m above the turbine.Assuming an overall efficiency of 40 % ,calculate the mass of water which must output of 1MW. (Take g=10 m s%^(-2) )

Water falls from a height of 60 m at the rate 15 kg//s to operate a turbine. The losses due to frictional forces are 10% of energy . How much power is generated to by the turbine? (g=10 m//s^(2)) .

Water falls from a height of 60 m at the rate 15 kg//s to operate a turbine. The losses due to frictional forces are 10% of energy . How much power is generated by the turbine? (g=10 m//s^(2)) .

A river is flowing from west to east with a speed of 5 m//min. A man can swim in still water with a velocity 10m//min. In which direction should the man swim so as to take the shortest possible path to go to the south.