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← TechnologyWhich outcome occurs when a refrigeration system's evaporator coil ices over completely?
A)Compressor overheating due to high backpressure
B)Reduced cooling capacity from insulation✓
C)Increased refrigerant subcooling in condenser
D)Decreased power consumption by the fan motor
💡 Explanation
When an evaporator coil ices over, thermal resistance increases dramatically because ice acts as an insulator, limiting heat transfer. Therefore, reduced cooling capacity results, rather than overheating, subcooling changes, or decreased fan motor power, all of which depend on other system parameters.
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