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← ScienceWhich outcome occurs when refrigeration load exceeds design capacity?
A)Superheat increases in the evaporator✓
B)Subcooling increases in the condenser
C)Compressor overheating due to slugging
D)Expansion valve regulates excess flow
💡 Explanation
The superheat increases because the expansion valve must allow the refrigerant to cool to design temperature via convective heat transfer. Therefore, refrigerant remains in the evaporator rather than completing phase change to a superheated gas, which is indicative of an imbalanced system.
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