Which risk increases when a low-volatility refrigerant leaks from a refrigeration cycle operating beyond design?

💡 Explanation

Compressor thermal runaway risk increases, driven by decreased vapor density from fractionation. This occurs because fractionation elevates the relative proportion of higher-boiling point components to persist in later components rather than an optimized two-phase balance, therefore stressing the compressor coolant system rather than enabling efficient heat transfer.

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