Water falls from a height of 60 m at the rate of 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?

Q: Water falls from a height of 60 m at the rate of 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/s2)

(a) 10.2 kW

(b) 12.3 kW

(c) 7.0 kW

(d) 8.1 kW

Ans: (d)