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← ScienceWhich risk increases when a refrigeration cycle bypasses the expansion valve?
A)Compressor bearing overheating due to friction✓
B)Refrigerant over-compression thermodynamic efficiency loss
C)Evaporator coil icing reduced heat transfer
D)Condenser coil pressure mechanical component failure
💡 Explanation
Bearing overheating risk increases due to the compressed, superheated refrigerant lubricating viscosity reduction; thus, the oil cannot properly lubricate during Increased refrigerant temperatures. This is bearing failure, rather than other refrigeration component malfunction, because of lubricant degradation.
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