Question: The 32-in-diameter pump in Fig. 11.7a is used at 1170 rpm in a system whose head curve is Hs (ft) 100 + 1.5Q2; with Q

The 32-in-diameter pump in Fig. 11.7a is used at 1170 rpm in a system whose head curve is Hs (ft) ≈ 100 + 1.5Q2; with Q in kgal/min. Find the discharge and brake horsepower required for
(a) One pump;
(b) Two pumps in parallel; and
(c) Two pumps in series. Which configuration is best?

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