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← ScienceWhich risk increases when a refinery flash drum's temperature drops unexpectedly?
A)Liquid carryover to downstream processes✓
B)Increased overhead vapor density
C)Greater component separation efficiency
D)Decreased bottoms product vaporization
💡 Explanation
Liquid carryover risk increases as temperature decreases, because the phase equilibrium shifts, causing less vaporization. This phase transition imbalance floods the vapor line, therefore liquid pulls overhead rather than vaporizing, because decreased temp reduces vaporization.
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