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← ScienceWhich outcome dominates when heat leakage bypasses refrigeration cycles?
A)Reduced coefficient of performance (COP)✓
B)Increased superheat temperature margin
C)Elevated compressor discharge pressures
D)Decreased evaporator coil frosting
💡 Explanation
Reduced COP occurs because heat leakage introduces parasitic heat that disrupts the intended cooling effect; this bypasses isentropic expansion. Therefore, the performance decreases rather than pressure increasing or frost decreasing, because additional energy is consumed to overcome the heat leakage.
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