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← TechnologyWhich outcome occurs when a residential heat pump's metering valve admits excessive refrigerant?
A)Compressor experiences liquid slugging damage✓
B)Evaporator coil demonstrates excessive superheat
C)Condenser subcooling decreases proportionally
D)System COP reaches design specifications
💡 Explanation
Liquid slugging severely threatens the compressor, because liquid refrigerant is incompressible; therefore compressor pumps liquid rather than vapor, causing mechanical stress and potential damage rather than optimized heat transfer or minor efficiency losses associated scenarios.
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