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A refrigeration system using R-134 a refrigerant operates at 33 Psi on the low pressure side...

A refrigeration system using R-134 a refrigerant operates at 33 Psi on the low pressure side and 100 Psi on the high-pressure side. The 255 ton system delivers refrigerant vapor with 20 degree F superheat to the compressor. If the refrigerant on the high pressure side is cooled to saturated liquid before expansion. Determine The required refrigerant mass flow rate is most nearly

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