The four basic components of a fire are...

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Question 1 of 205eccef9ebacbc34ba4d4624f

The four basic components of a fire are fuel, heat, oxygen and a chain reaction. Which of the following statements best describes what must be eliminated to extinguish a fire?

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Question 1 of 20

5eccef9ebacbc34ba4d4624f

The four basic components of a fire are fuel, heat, oxygen and a chain reaction. Which of the following statements best describes what must be eliminated to extinguish a fire?

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🔍 Key Concepts

• Fire tetrahedron – the four elements needed for a fire to keep burning: fuel, heat, oxygen, and chemical chain reaction • How common extinguishing methods work: cooling with water, smothering with CO₂/foam, removing fuel, or interrupting the chemical reaction • The idea of "breaking" the fire tetrahedron by removing part of what keeps combustion going

💭 Think About

• Think about what happens when you spray water on a campfire versus when you put a lid on a grease fire on the stove. In each case, which part of the fire tetrahedron are you affecting? • Ask yourself: if you successfully use an extinguisher on a small fire, do you always have to remove more than one component, or is removing a single critical component usually enough? • Consider whether a fire can keep burning if any one of the four components is completely removed. What does that imply about how many components must be eliminated?

✅ Before You Answer

• Be clear on what must be eliminated versus what can also be reduced or affected as a side effect. • Verify whether removing just one component (for example, oxygen) is sufficient in practice to stop combustion. • Consider that some extinguishing agents (like dry chemical) primarily interrupt the chain reaction — think about whether that alone can put out the fire.

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Question 1 of 205eccef9ebacbc34ba4d4624f

The four basic components of a fire are fuel, heat, oxygen and a chain reaction. Which of the following statements best describes what must be eliminated to extinguish a fire?

Back

Question 1 of 20

5eccef9ebacbc34ba4d4624f

The four basic components of a fire are fuel, heat, oxygen and a chain reaction. Which of the following statements best describes what must be eliminated to extinguish a fire?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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