Which outcome occurs in vapor compression refrigeration when the condenser subcools the liquid refrigerant below saturation temperature?

💡 Explanation

When subcooling occurs, the liquid refrigerant has lower enthalpy before expansion, lowering the proportion of refrigerant that flashes to vapor and therefore reducing losses due to irreversibility in the throttling process. Therefore throttling losses are reduced, rather than temp increase, frosting or compresssor inefficiency, which involve vapor formation or compressor-specific effects.

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