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Which outcome occurs when exceeding the operational limit of a refrigeration cycle?

A)Reverse Brayton cycle reaches steady-state.
B)Vapor compression shifts subcooling degree.
C)Refrigerant undergoes incomplete phase change.
D)Coefficient of Performance will necessarily double.

💡 Explanation

Incomplete phase change occurs due to exceeding heat load; therefore, not all the liquid refrigerant evaporates; rather than efficiently absorbing heat during vaporization, liquid floods the compressor and causes damage because increased mass flow prevents proper expansion.

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