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(a) A water pump has an inlet conditions of 4.55 MPa and 20oC. The outlet of...

(a) A water pump has an inlet conditions of 4.55 MPa and 20oC. The outlet of the pump is at a pressure of 18.00 MPa. What is the enthalpy change across a reversible pump in kJ/kg?

(b) For a real system, which of the following pumps might be considered for the job?

12.80 kJ/kg

13.48 kJ/kg

14.18 kJ/kg

(c) If a real pump for the states given in (a) has and efficiency of 0.78, what would be the enthalpy change of water through the pump?

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