Specify the sizes of pipes (cast iron, schedule 40) and the size of the motor to be used for a pump to lift water at 40 Ips, from reservoir A to reservoir B. Consider the following data: Total static head 50 m Fittings & valves; Suction line Discharge line 1 foot valve, 1 standard elbow, and 1 gate valve 1 check valve, 1 gate valve, 1 long sweep elbow, and 2 standard elbows Length of straight pipes: Suction pipe Discharge pipe Absolute viscosity of water Absolute roughness of cast iron Darcy-Weisbach friction factor Water velocity 300 m 80 m 0.001002 Pa-s 0.00026 m 0.025 1.0 m/s to 2.75 m/s Neglect the head losses in the foot valve and at the pipe exit in the discharge reservoir, and do not use equal sizes for the suction and discharge pipes.

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A: Here we will use the given performance curve to get the efficiency and NPSH to get the pump head.

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.