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← TechnologyIn a chiller system, which malfunction increases when liquid refrigerant floods back toward the compressor through the evaporator?
A)Compressor lubrication oil washout✓
B)Evaporator coil freeze blockage
C)Expansion valve thermal contraction
D)Refrigerant subcooling inefficiency increase
💡 Explanation
Compressor oil washout increases because liquid refrigerant arriving at the compressor causes the oil to dilute via a solvent action, a state of high miscibility, resulting in reduced lubrication; therefore, oil starvation occurs, rather than evaporator freezing which requires different conditions.
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