Question: Problem 1. A centrifugal pump is being tested for performance, and during the test the pressure reading in the 0.305m-diameter suction line just adjacent to

Problem 1. A centrifugal pump is being tested for performance, and

Problem 1. A centrifugal pump is being tested for performance, and during the test the pressure reading in the 0.305m-diameter suction line just adjacent to the pump casing is 20.7kPa (vacuum below atmospheric pressure). In the discharge line with a diameter of 0.254m at a point 2.53m above the suction line, the pressure is 289.6kPa gage. The flow of water from the pump is measured as 0.1133m3/s. (The density can be assumed as 1000kg/m3.) Calculate the kW input of the pump. (answer: 38.11kW )

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