Which extinguishing agent is most effective...

Question 1 / 2066636eec28f7522a1c51c75d

Question 1 of 2066636eec28f7522a1c51c75d

Which extinguishing agent is most effective on a mattress fire?

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Question 1 of 20

66636eec28f7522a1c51c75d

Which extinguishing agent is most effective on a mattress fire?

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🔍 Key Concepts

• Classes of fire (A, B, C, D, K) and what burns in each • Which extinguishing agents are best for Class A (ordinary combustibles) • How different agents (CO2, Dry Chemical, Halon, Water) work to stop combustion

💭 Think About

• First decide: a mattress mainly belongs to which class of fire? (Think: what is burning?) • Then recall which agents are recommended for that fire class in basic firefighting training • Consider which agent can soak into or fully cool the burning material rather than just knocking down the flames on the surface

✅ Before You Answer

• Identify mattress as mostly ordinary combustible material (fabric/foam) rather than a liquid or electrical source • Check which option actually removes heat and penetrates the burning material, not just displaces oxygen around it • Confirm that the agent you pick is commonly taught as the primary choice for solid-material fires like wood, cloth, and paper

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Question 1 of 20

Which extinguishing agent is most effective on a mattress fire?

CO2

Dry Chemical

Halon

Water

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