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Q-1 50 A piston-cylinder device contains 0.7 kg of steam at 450°C and 1.4 MPa. Steam is cooled at constant pressure until one
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- at 1.4. mea ) . Tsat = 195:039°C. T = 450c > Tsat . super heated state at 1.4 mea & uso c . - v = 0.235078 m3lkg im, = m₂ =ou (0.7) (0.0709632 - 0.235078). cov z -0.11483 m3) (volume change) P = 1.4 MPa

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