Using computer software, determine the flow rate (water at l 0 °C) and head loss in each cast-iron pipe in the network shown in Figure P4.4.10. The demands on the system are currently at junctions C(0.030 m3/sec), D(0.250 m3/sec), and H(0.120 m3/sec). Water enters the system at junctions A(0.100 m3/sec) and F(0.300 m3/sec). The lengths and diameters of the pipes in the network are provided in the table below.

Figure P4.4.10

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Pipe Length (m Diameter (m) AB FA BC BD DE EC FG GD GH EH 1.200 1,800 1.200 900 1,200 900 1,200 900 1,200 900 0.50 0.40 0.10 0.30 0.30 0.10 0.60 0.40 0.30 0.20 2 3 DG