Which operational risk primarily increases when a refrigeration system uses synthetic refrigerants near their critical point?

💡 Explanation

When using synthetic refrigerants nearing their critical point, the distinction between liquid and vapor phases diminishes preventing effective heat absorption due to reduced phase transition. Therefore, reduced cooling capacity results, rather than wear, ozone depletion, or higher consumption which involve alternative thermodynamic processes or system failures.

• Which outcome is accelerated when shear reinforcement spacing exceeds limits in reinforced concrete beams?
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