9. Determine the flow rate in each line and the pressure at each node for the system shown in Fig. P1-9. The Hazen-Williams coefficient is 100, and the pressure at node A is 88 psig. Pipe lengths and diameters are given in the following table.

Line Length Diameter no.
(ft)
(in.)
1 6,000 8 2 5,000 10 3 3,000 8 4 3,000 8 5 6,000 10 6 5,000 12 7 3,500 8 8 5,000 12 9 3,500 16 10 5,000 10 11 6,000 8 3.5 ft³/s A 0,5 ft³/s 6 B 5 7 0,5 ft³/s G H 0.5 ft³/s 4 3 1 11 F 0.5 ft³/s ②
2 E 0.5 ft³/s 8 9 C D 10 0.5 ft³/s 0.5 ft³/s 77 FIGURE P1-9