Two of the pumps in Fig. P12.24 are operated in series to supply water through the piping system. Determine the flow rate through the piping system for \(10^{\circ} \mathrm{C}\) water and screwed connections. Then find the total power input to the two pumps.

Figure P12.24

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Head, hi,(m) 30 20 20 10 0 hp 80 n 0 10 20 60 m of 0.10-m inside diameter, commercial steel pipe, one swing check valve, four 90 standard elbows 30 40 50 60 Volume flow rate, Q(1/s) 240 m of 0.10-m inside diameter, commercial steel pipe, four gate valves, one fully open globe valve, twelve 90 standard elbows, four tees with flow through lines T 40 m 40 40 Efficiency n (%) 09 60 20 20