When used to fight fire, carbon dioxide...

Question 1 / 2066636eec28f7522a1c51d039

Question 1 of 2066636eec28f7522a1c51d039

When used to fight fire, carbon dioxide __________.

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Question 1 of 20

66636eec28f7522a1c51d039

When used to fight fire, carbon dioxide __________.

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🔍 Key Concepts

• carbon dioxide (CO₂) fire-fighting properties compared to water (cooling vs smothering) • relative density of CO₂ vs air and how it behaves in a space • safety hazards of CO₂ systems to people in enclosed spaces and its effectiveness on flammable liquid (oil) fires

💭 Think About

• Think about the main way CO₂ actually puts out a fire: does it cool the fuel, remove oxygen, or remove heat like water? • Consider what happens to people inside a space when a fixed CO₂ system is discharged—would that ever be described as harmless? • For an oil fire, which agent is more suitable: water or CO₂, and under what condition does that agent work best?

✅ Before You Answer

• Check which option matches the true method of extinguishment for CO₂ (cooling vs smothering/displacing oxygen). • Eliminate any choice that contradicts what you know about CO₂ dangers to personnel in enclosed spaces. • Verify which statement correctly describes CO₂ performance on flammable liquid (oil) fires, especially when used quickly and in sufficient quantity.

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Question 1 of 20

When used to fight fire, carbon dioxide __________.

has a greater cooling effect than water

is lighter than air

is harmless to cargo and crew

is effective if used promptly on an oil fire

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Question 1 / 2066636eec28f7522a1c51d039

Question 1 of 2066636eec28f7522a1c51d039

When used to fight fire, carbon dioxide __________.

Back

Question 1 of 20

66636eec28f7522a1c51d039

When used to fight fire, carbon dioxide __________.

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