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← TechnologyWhich risk escalates when using R-410A in a flooded evaporator?
A)Lubricant oil dilution increases rapidly✓
B)Compressor motor overheating probability rises
C)Refrigerant migration effectiveness decreases
D)System icing blockage likelihood reduces slowly
💡 Explanation
Lubricant oil dilution increases rapidly because R-410A’s high density causes poor oil return in flooded evaporators; the high mass flow rate through the evaporator further hinders proper oil separation, therefore the bearings may be damaged rather than lubricated, causing eventual compressor failure.
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