Answer to Question #263746 in Civil and Environmental Engineering for jjk

Question #263746

9.) The pressure head at A in pump A B is 120 ft when the energy change in the system (see Fig. 9-30) head through valve Z is 10 ft. Find all the flows and the elevation of reservoir Sketch the hydraulic grade lines.

10.) Solve the pipe network shown in the figure. The 12 in and 16in are of new cast iron, while the 18 and 24 in are of average concrete. Assume n=2.0 and use the values of f from figure 8.11 for complete turbulence. If the pressure at h is 80 psi, find the pressure at f.

Expert's answer

Applying Bernoulli's principle when the pipe was closed and after it was opened,

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