Problem

A centrifugal pump is driven by a motor. The performance of the pump reveals the followi...

A centrifugal pump is driven by a motor. The performance of the pump reveals the following information:

Power input to the pump by the motor (kW):

0.5, 0.7, 0.9, 1.0, 1.2

Power input to the fluid by the pump (kW):

0.3, 0.55, 0.7, 0.9, 1.0

Plot the efficiency curve. The efficiency of a pump is a function of the flow rate. Assume that the flowrate readings corresponding to power data points are equally spaced.

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Solutions For Problems in Chapter 13