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← TechnologyWhich risk increases when the positive displacement pump within a refrigerator runs constantly?
A)Refrigerant pressure exceeds design limits
B)Icing increases on the evaporator coil✓
C)Metering valve clogs with debris
D)Oil accumulates in the accumulator
💡 Explanation
Icing increases because continuous operation of the pump causes excessive latent heat *absorption in the evaporator*, chilling it excessively; therefore ice forms, restricting airflow, rather than cycling, which would allow periodic defrosting.
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