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1.superheated water vapour at 1.4MPa &250degree C is allowed 2 cool at const vol.until the temp. drops to 150 degree C.at the final state determine 1.the pressure 2.quality 3.enthalpy 2.a piston cylinder device contains 0.8kg of steam at 300 degree C &1MPa.steam is cooled at const pressure until one half of the mass condenses. 1.find the final temp. 2.determine the vol. change


1.superheated water vapour at 1.4MPa &250degree C is allowed 2 cool at const vol.until the temp. drops to 150 degree C.at the final state determine


1.the pressure


2.quality


3.enthalpy


2.a piston cylinder device contains 0.8kg of steam at 300 degree C &1MPa.steam is cooled at const pressure until one half of the mass condenses.


1.find the final temp.


2.determine the vol. change 


Grade:upto college level

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