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← ScienceWhich outcome occurs when a refrigeration system using HFC-134a leaks past the expansion valve?
A)Increased superheat at evaporator outlet✓
B)Decreased condenser subcooling occurs
C)Lower compressor discharge temperature arises
D)Reduced mass flow throughout system
💡 Explanation
Superheat increases because the expansion valve allows liquid refrigerant to boil-off prematurely, therefore the refrigerant absorbs more heat from the evaporator to fully vaporise, rather than contribute to cooling the load.
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