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← ScienceWhich outcome results when a refrigeration system is operated under conditions exceeding its condenser's design pressure?
A)Increased superheat occurs in the evaporator
B)Refrigerant undergoes excessive phase transition✓
C)Compressor bearings suffer lubrication failure
D)TXV maintains superheat perfectly due efficiency
💡 Explanation
Excessive pressure prevents efficient heat rejection, because saturation temperature of the refrigerant increases. This causes the phase transition from gas to liquid to be incomplete; therefore, refrigerant floods the system rather than subcooling properly.
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