Which outcome occurs when a refrigeration system using ammonia experiences rapid pressure reduction during throttling?

💡 Explanation

Flash vaporization increases because it relies on the Joule-Thomson effect; a sudden pressure drop causes some liquid refrigerant to vaporize. Therefore, the evaporator receives more vapor, which reduces the cooling capacity, rather than enhancing it; this limits system performance.

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• Which risk escalates when a cobalt-60 radiation source shield degrades?
• Which risk prominently increases when a catalyst reaches its saturation point?
• Which consequence results when ethylene polymerization employs a Ziegler-Natta catalyst?