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← ScienceWhich outcome manifests within a refrigeration system when refrigerant `TXV superheat` is improperly maintained?
A)Reduced cooling capacity and efficiency✓
B)Increased compressor motor insulation lifespan
C)Optimized lubrication and reduced friction
D)Stable evaporator coil surface temperature
💡 Explanation
Insufficient superheat on the TXV causes liquid refrigerant floodback. This damages the compressor via liquid compression, leading to less cooling because liquid in the compressor displaces gas and reduces flow, rather than improving lubrication efficiency.
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