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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1. A compressor in a commercial refrigerator receives R-410a at −25◦C and unknown quality. The exit is at 2000 kPa, 60◦C and the process is assumed to be reversible and adiabatic. Neglect kinetic energies and find the inlet quality and the specific work.
2. A boiler section boils 3 kg/s saturated liquid water at 2000 kPa to saturated vapor in a reversible constant-pressure process. Assume you do not know that there is no work. Prove that there is no shaft work using the first and second laws of thermodynamics.
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