The overall efficiency of a centrifugal pump when head is 25 m, discharge = 0.04 m3/s and input power P = 16 kW (take g = 10 m/sec? and ρ = 1000) is
1
65%
2
55%
3
52.5%
4
70.5%
5
62.5%
The overall efficiency of a centrifugal pump when head is 25 m, discharge = 0.04 m3/s and input power P = 16 kW (take g = 10 m/sec? and ρ = 1000) is