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← ScienceWhich risk increases significantly when cryogenic propellant transitions to gas?
A)Rapid pressure increase exceeding tank limits✓
B)Decreased heat transfer compromising insulation
C)Reduced structural stresses weakening joints
D)Diminished fluid density impairing pump function
💡 Explanation
Rapid pressure increase occurs because propellant undergoes rapid volumetric expansion via the Ideal Gas Law during a phase transition. Therefore, exceeding pressure limits is the primary danger, rather than the insulation or pump failures caused by nonoptimal conditions.
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