Question: EQ4 Please solve it step by step Problem 4. A concrete pipeline 3500 m long 1s to connect two reservoirs 7 m different in elevation.

EQ4 Please solve it step by step

Problem 4. A concrete pipeline 3500 m long 1s to connect two reservoirs 7 m different in elevation. If gravity is to cause a flow of water at the design discharge of 0.03 m/s, what diameter of pipeline should be used? Available diameters of pipeline are in steps of 0.01 m. Take the roughness height of concrete to be 1.0 mm and use the Moody diagram for determination of friction factor. (10 pts) Neglect all minor losses. From experience. the pipe diameter should be at least 0.2 m. Next, estimate the percentage drop in discharge if the roughness height of this pipeline increases to 2.0 mm due to ageing. (4 pts)

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