7-235 Liquid water is to be compressed by a pump whose isentropic efficiency is 75 percent from 0.2 MPa to 5 MPa at a rate of 0.15 m3/min. The required power input to this pump is a) 4.8 kW b) 6.4 kW c) 9.0 kW d) 16.0 kW e) 12 kW | |
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