When used to fight fire, which is TRUE...

Question 1 / 20673956e598d45f16831b6e41

Question 1 of 20673956e598d45f16831b6e41

When used to fight fire, which is TRUE concerning carbon dioxide as an extinguishing agent?

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Question 1 of 20

673956e598d45f16831b6e41

When used to fight fire, which is TRUE concerning carbon dioxide as an extinguishing agent?

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🔍 Key Concepts

• Properties of carbon dioxide (CO₂) gas used in fixed fire‑extinguishing systems • Which fire classes CO₂ is normally effective on (e.g., flammable liquids vs. ordinary combustibles) • Hazards to personnel when CO₂ is discharged in an enclosed space

💭 Think About

• For each choice, ask: does this match what you know about how CO₂ behaves physically compared with air? (heavier, lighter, or similar?) • Think about whether CO₂ puts out fire mainly by cooling, by smothering (removing oxygen), or by something else. • Consider whether a total flooding CO₂ release in an enclosed space is safe or dangerous for people still inside.

✅ Before You Answer

• Verify which statement correctly matches a known advantage of CO₂ systems in machinery spaces or flammable‑liquid fires. • Eliminate any choice that describes CO₂ as safe to breathe or harmless in an enclosed space. • Eliminate any choice that claims CO₂ is mainly a cooling agent rather than an oxygen‑displacement/smothering agent.

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Question 1 of 20

When used to fight fire, which is TRUE concerning carbon dioxide as an extinguishing agent?

Carbon dioxide is effective on an oil fire

It is harmless to cargo and crew

Carbon dioxide is lighter than air

It has a greater cooling effect than water

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Question 1 / 20673956e598d45f16831b6e41

Question 1 of 20673956e598d45f16831b6e41

When used to fight fire, which is TRUE concerning carbon dioxide as an extinguishing agent?

Back

Question 1 of 20

673956e598d45f16831b6e41

When used to fight fire, which is TRUE concerning carbon dioxide as an extinguishing agent?

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed