In the transmission system shown in Figure P5.5.6, EA = 100 ft and ED = 150 ft. The Darcy-Weisbach friction factor is 0.02 for all the pipes. Pipe AB is 4,000 ft long with a diameter of 3 ft, and pipe CD is l , 140 ft long with a diameter of 3 ft. The branch BC 1 has a length of 100 ft and a diameter of 2ft, and branch BC2 is 500 ft long with a diameter of I ft. The pump characteristics are shown in the following table. Determine the system flow rate and the discharge in branches l and 2.

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(efs) H, (ft) 60 10 20 30 40 50 47 37 23 Ep Figure PS.5.6