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Which outcome occurs when a refrigerant leak causes significantly reduced mass flow in a two-stage vapor-compression system?

A)Decreased subcooling, higher discharge temperature
B)Increased superheat, lower discharge temperature
C)Reduced compression ratio stage one
D)Elevated volumetric efficiency on high-side

💡 Explanation

When refrigerant leaks, the system operates with reduced mass flow; this reduces evaporator pressure, increasing the superheat. Because less refrigerant absorbs heat, the condenser subcooling decreases, therefore discharge temperatures rise, rather than decreasing from lower compression work.

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