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Which outcome occurs when refrigerant leaks from a refrigeration system into surrounding air, decreasing system pressure?

A)Frost forms owing to Joule-Thomson expansion
B)Oil breakdown from increased superheat
C)Compressor damage from liquid floodback
D)Condenser efficiency improves via subcooling

💡 Explanation

When refrigerant leaks decreasing pressure, adiabatic expansion happens when the gas exits, causing intermolecular forces to decrease the temperature, leading to frost formation by the Joule-Thomson effect if the temperature nears dew point. Therefore frost forms, rather than oil breakdown, floodback, or improved efficiency which result from abnormal temperatures or liquid behavior inside the system.

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