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← TechnologyWhich outcome is observed when a refrigeration system using R-410A refrigerant experiences superheat significantly above the design specification?
A)Compressor overheating and reduced lifespan✓
B)Evaporator coil frosting and icing
C)Condenser pressure decrease and inefficiency
D)Refrigerant migration to the crankcase
💡 Explanation
When superheat is excessively high, insufficient refrigerant returns to cool the compressor motor because liquid refrigerant is entirely vaporized before reaching the compressor, causing overheating from increased compression work at elevated temperature. Therefore, overheating and reduced lifespan results, rather than frosting, pressure decrease, or migration, which require different refrigerant flow or thermodynamic conditions.
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