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Which of the following fire stages is characterized by a decreasing heat-release rate due to the consumption of fuel during a fuel-controlled fire?Steady stateFire extinguishmentIncipient fireFire decay

Question

Which of the following fire stages is characterized by a decreasing heat-release rate due to the consumption of fuel during a fuel-controlled fire?Steady stateFire extinguishmentIncipient fireFire decay

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Solution

Para responder a esta pregunta, es importante entender las características de cada etapa del fuego:

  1. Steady state: En esta etapa, el fuego ha alcanzado un equilibrio y la tasa de liberación de calor es constante. No es característico de una disminución en la tasa de liberación de calor.

  2. Fire extinguishment: Esta etapa se refiere a la extinción del fuego, donde la tasa de liberación de calor se reduce a cero debido a la intervención externa, no necesariamente por el consumo de combustible.

  3. Incipient fire: Esta es la etapa inicial del fuego, donde comienza la ignición y la tasa de liberación de calor está en aumento, no en disminución.

  4. Fire decay: Esta etapa se caracteriza por una disminución en la tasa de liberación de calor debido a la reducción del combustible disponible. Es una etapa de control por combustible.

Por lo tanto, la etapa del fuego que se caracteriza por una disminución en la tasa de liberación de calor debido al consumo de combustible durante un fuego controlado por combustible es Fire decay.

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