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Which consequence results when a refrigerator operates outside stable limits?

A)Refrigerant undergoes reverse phase transitions
B)Heat transfer efficiency greatly decreases
C)Input work increases dramatically
D)Compressor oil experiences reverse lubrication

💡 Explanation

Inefficient operation causes increased heat leak and reduced cooling; refrigerant properties are fixed. Therefore, the heat transfer decreases because the phase transition and compression cycle deviates, rather than any specific property changes in the oil or the fluid itself.

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