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Geography, 26.02.2022 14:00 lusa0720

a refrigerator working on simple vapour compression cycle operates between temperatures of 25 degrees celsius and -15 degrees celsius with NH3 refrigerant. ammonia is found to be a saturated vapour after compression and no undercooling of liquid refrigerant occurs in the cycle. determine the dryness fraction, the refrigerating effect and the C. O.P

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