Engineering, 19.06.2020 15:57 weckesserj9492
If the minimum and maximum allowed refrigerant pressures are 1 bar and 10 bar, respectively, which of the following can be used as the working fluid in a vapor-compression refrigeration system that maintains a cold region at 0 °C while discharging energy by heat transfer to the surrounding air at 30 °C: Refrigerant 22, Refrigerant 134a, ammonia, propane? Why?
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