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The pressure of 200 kg/s of water is to be increased by 4 MPa. The water enters through a 20 cm- diameter pipe and exits

The pressure of 200 kg/s of water is to be increased by 4 MPa. The water enters through a 20 cm- diameter pipe and exits through a 12 - cm -diameter pipe. Calculate the minimum horsepower required to operate the pump.

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