An insulated cylinder fitted with a piston contains 0.1 kg of water at 100¬¨¬®‚Äö√†√ªC and 90% quality. The piston is moved, compressing the water till it reaches a pressure of 1.2 MPa. How much work is required in the process?$

An insulated cylinder fitted with a piston contains 0.1 kg of water at

1.	An insulated cylinder fitted with a piston contains 0.1 kg of water at 100¬¨¬®‚Äö√†√ªC and 90% quality. The piston is moved, compressing the water till it reaches a pressure of 1.2 MPa. How much work is required in the process?$
A.	-27.5 kJ
B.	-47.5 kJ
C.	-17.5 kJ
D.	-37.5 kJ
Answer» E.

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An insulated cylinder fitted with a piston contains 0.1 kg of water at 100¬¨¬®‚Äö√†√ªC and 90% quality. The piston is moved, compressing the water till it reaches a pressure of 1.2 MPa. How much work is required in the process?$

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