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← ScienceWhich outcome results during each iteration of a vapor-compression refrigeration cycle with increased superheat?
A)Reduced cooling capacity at evaporator
B)Decreased compressor discharge temperature
C)Increased condenser heat rejection rate✓
D)Lower expansion valve pressure drop
💡 Explanation
When superheat increases, more heat is absorbed by the refrigerant vapor before compression because there's is greater temperature difference, so the compressor must work harder. That excess heat is then dumped meaning more heat is rejected by the condenser. Therefore, increased heat rate results, rather than low capacity which requires lower compressor work.
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