A Pelton wheel operates under a head of 40 m and develops shaft power of 800 kW which runs at 500 rpm. Assume the overall efficiency of the Pelton turbine as 80%. Find the flow rate of water. [Density of water = 1000 kg/m3, Acceleration due to gravity = 10 m/s2]
1
2.0 m3/s
2
2.5 m3/s
3
1.5 m3/s
4
3.0 m3/s