Flow takes place between three reservoirs, as shown in Figure 1. The volume flow rate out of reservoirs A and B is 0.15 m/s and 0.25 m/s respectively. If the coefficient of friction for the three pipes is 0.008, determine the relative elevations of the free surfaces. Neglect all losses other than friction. hA A he L2, D2 L1, DI L1 = 1000 m L2 = 1500 m D1 = 200 mm D2 = 250 mm D3 = 400 mm L3, D3 hc %3D L3 = 2000 m
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- The system consists of 1200 m of 5 cm cast iron pipe, two 45° and four 90° flanged long-radius elbows, a fully open flanged globe valve, and a sharp exit into a reservoir. If the elevation at point 1 is 400 m, what gage pressure is required at point 1 to deliver 0.005 m3/s of water into the reservoir? Use the following: v = 1 x 10-6 m2/s Kentrance = 0.5 Kexit = 1 Kvalve = 6.9 f = 0.0316 γ = 9810 N/m3 Choices: 3.44 Mpa 1.02 MPa 3.48 Mpa 1.00 MPa None of the choicesCivil Engineering Water flows radially between the two flanges at the end of a 6" diameter pipe as shown in Fig. 7-26. Neglecting losses, if the pressure head at A is -1.0 ft. find the pressure head at B and the flow in cfs.ANSWER: -0.15 ft. 3.88 cfsFlow takes place between three reservoirs, as shown in Figure 1. The volume flow rate out of reservoirs A and B is 0.15 m3/s and 0.25 m3/s respectively. If the coefficient of friction for the three pipes is 0.008, determine the relative elevations of the free surfaces. Neglect all losses other than friction. L1 = 1000 m D1 = 200 mmL2 = 1500 m D2 = 250 mmL3 = 2000 m D3 = 400 mm
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