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← ScienceWithin a refrigeration system, which outcome occurs when heat exchanger capacity is below threshold?
A)Compressor overheating from vapor superheat
B)Evaporator frosting inhibiting heat absorption✓
C)Condenser subcooling increases system efficiency
D)Expansion valve floods liquid refrigerant
💡 Explanation
Evaporator frosting impairs the refrigerant transitioning to gas because the reduced surface temperature prevents sufficient heat absorption, therefore ice accumulation occurs rather than efficient heat exchange, leading to reduced cooling capacity and potential system failure.
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