Question: A pump is required to pump water from a lake through a 150 mm diameter pipe to an elevated tank. The following are conditions

2.4 A pump is required to pump water from a lake through a 150 mm diameter pipe to an elevated tank. The following are condit

A pump is required to pump water from a lake through a 150 mm diameter pipe to an elevated tank. The following are conditions under which the pump will be operating: 2.4 Discharge needed, 0-44.21/s Local atmospheric pressure = 101.4 kPa. Water is at room temperature (25C). Pipe roughness, k = 0.16 mm Pump station is 3.3 m above water level in the lake. %3D If the pump available for the job has NPSH required specified at 5.5 m of water absolute, determine the maximum permissible length in the suction side of the pump that will prevent cavitation from occurring in the (10) pump.

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