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← ScienceWhich consequence results when increased frictional losses occur within a Vapor-Compression Refrigeration cycle?
A)Decreased coefficient of performance (COP)✓
B)Increased superheat temperature variation
C)Reduced condenser pressure stability
D)Elevated evaporator coil subcooling
💡 Explanation
Higher friction generates more heat, increasing entropy and reducing the system's capacity for heat removal via the Refrigeration cycle. This reduces available cooling and lowers the COP because system inefficiency rises due to friction, rather than improved cooling.
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