Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 13 Sep 2017 My Price 5.00

heat transfer

1. 0.7-kg of R-134a is expanded isentropically from 800 kPa and 50°C to 140 kPa. Determine the total heat transfer and work production for this expansion.

2. 2-kg of saturated water vapor at 600 kPa are contained in a piston-cylinder device. The water expands adiabatically until the pressure is 100 kPa and is said to produce 700 kJ of work output.

(a) Determine the entropy change of the water, in kJ/kg·K.

(b) Is this process realistic? Using the T-s diagram for the process and the concepts of second law, support your answer.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 13 Sep 2017 10:09 AM My Price 5.00

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