Question: 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

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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