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← ScienceWhich outcome occurs when a refrigerant undergoes rapid phase transition in a vapour-compression refrigeration system?
A)System inefficiency raises energy consumption✓
B)Enhanced compressor lubrication and efficiency
C)Improved heat extraction from evaporator coils
D)Increased refrigerant density within condensor
💡 Explanation
System inefficiency arises because flashing involves irreversible evaporation, reducing the cooling effect. This is due to throttling causing a pressure drop and the Joule-Thomson effect, therefore energy is used to re-compress, rather than cool.
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