Question: An ideal gas refrigeration cycle using air as the working fluid is to maintain a refrigerated space at - 23oC while rejecting heat to the

An ideal gas refrigeration cycle using air as the working fluid is to maintain a refrigerated space at - 23oC while rejecting heat to the surrounding medium at 27oC. If the pressure ratio of the compressor is 3, determine
(a) The maximum and minimum temperatures in the cycle.
(b) The coefficient of performance.
(c) The rate of refrigeration for a mass flow rate of 0.08 kg/s.

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