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Which 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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