There are multiple parts per question, please be as clear as
possible.
4: Consider a vapor refrigeration cycle. a: Draw a T-s diagram in a Reversed Carnot Cycle and describe what kinds of problems it has if we use the mixture of liquid and vapor as its working fluid. b: Draw a T-s diagram in the ideal Refrigeration cycle and label each process explicitly. c: There are Cascade and Multipurpose refrigeration systems to improve the ideal refrigeration system. Describe their cycles explicitly and compare their differences. d: Discuss the current status of existing refrigerants and describe how to resolve their problems explicitly.
There are multiple parts per question, please be as clear as possible.
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