A centrifugal pump lifts water through a height h and delivers it at a velocity vd. The loss of head through piping is hf. The gross lift is
1
h + hf
2
\({h_f} + \frac{{v_d^2}}{{2g}}\)
3
\(h + {h_f} + \frac{{v_d^2}}{{2g}}\)
4
\(h + \frac{{v_d^2}}{{2g}}\)
5
\(h + {h_f} - \frac{{v_d^2}}{{2g}}\)