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← ScienceWhich mechanism causes ice formation within refrigeration compressors when the evaporator temperature approaches -10°C?
A)Vapor pressure increases excessively
B)Moisture deposition undergoes sublimation✓
C)Recirculation induces compressor stall
D)Expansion valves promote liquid floodback
💡 Explanation
Ice forms because frost deposition leads to sublimation, as water vapor transitions directly to solid ice because low evaporator temperature reduces the vapor pressure of water rather than allowing liquid formation, which creates compressor reliability risks.
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