Fire in an engine compartment is best...

Fire in an engine compartment is best...

Question 1 of 2707066636eec28f7522a1c51c2e8

Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by which action?

Question 1 of 27070

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Q

Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by which action?

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🔍 Key Concepts

• CO2 fire extinguishing systems work by displacing oxygen and smothering the fire • The importance of ventilation control during an engine-room fire • What happens if you add more air to a combustion process

💭 Think About

• Ask yourself: For CO2 to stay effective inside an enclosed space, what must happen to the openings to that space? • What effect would running blowers or leaving doors/vents open have on CO2 concentration and the fire? • Which option best supports the idea of smothering the fire rather than feeding it?

✅ Before You Answer

• Verify which choices increase air flow to the fire and which reduce or stop it • Identify the option that helps contain CO2 inside the engine compartment • Eliminate any choice that would allow fresh air to enter and support combustion