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Which outcome results when exceeding a refrigeration cycle's maximum condenser temperature?

A)Compressor motor winding insulation fails
B)Refrigerant undergoes endothermic decomposition
C)Evaporator coil displays increased supercooling
D)Capillary tube causes increased subcooling

💡 Explanation

Elevated condenser temperature increases refrigerant pressure beyond the compressor's design limits; this overheats and degrades the motor windings by breakdown of their insulation, because dielectric breakdown occurs. Therefore the insulation wears, rather than alternative phenomena at the evaporator or capillary.

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