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← ScienceWhich outcome arises in a refrigeration cycle nearing capacity?
A)Increased compressor motor winding temperature✓
B)Enhanced refrigerant subcooling effectiveness
C)Decreased expansion valve superheat allowance
D)Reduced evaporator coil frosting incidence
💡 Explanation
Compressor motor winding temperature increases because increased load causes greater electrical current, heating the windings via Joule heating. Therefore, overheating occurs rather than enhanced cooling, because the compressor struggles to maintain setpoint at its thermal limit, rather than operating efficiently.
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