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← ScienceWhich consequence results when the triple point temperature is exceeded for carbon dioxide fire extinguishers?
A)Decreased nozzle discharge velocity occurs
B)Internal pressure dramatically increases✓
C)The phase transition becomes irreversible
D)Material embrittlement occurs instantly
💡 Explanation
When the triple point is exceeded, "sublimation" can no longer occur; because a liquid phase becomes thermodynamically stable, therefore internal canister pressures rise rapidly due to volumetric expansion, rather than direct gaseous conversion.
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