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← ScienceWhich outcome occurs when a rocket propellant tank undergoes rapid Ullage?
A)Vapor-Liquid Equilibrium destabilizes rapidly.✓
B)Tank pressure remains completely stable.
C)Fluid density increases significantly.
D)Heat transfer efficiency increases predictably.
💡 Explanation
Rapid Ullage introduces a pressure drop; enhanced by propellant shifting leads to extensive vaporization. Because the Liquid is quickly transitioning to vapor via the Vapor-Liquid Equilibrium, therefore propellant feed destabilization rather than predictable changes or density increases.
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