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P1 = 60 psi = 150 ft3/s Section (1) Dj = 3 ft 5.60 Water is supplied at 150 ft/s and 60 psi to a hydraulic turbine through a 3-ft inside diameter inlet pipe as indicated in Fig. P5.60. The turbine discharge pipe has a 4-ft inside diame- ter. The static pressure at section (2), 10 ft below the turbine in- Turbine let, is 10 in. Hg vacuum. If the turbine develops 2500 hp, deter- mine the rate of loss of available energy between sections (1) 10 ft and (2). P2 = 10 in. Hg vacuum D2 = 4 ft Section (2) Inswer: 301 hp (loss of energy due to friction)