An "ABC" dry chemical fire extinguisher...

Question 1 / 2066636eec28f7522a1c51bf3d

Question 1 of 2066636eec28f7522a1c51bf3d

An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.

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Question 1 of 20

66636eec28f7522a1c51bf3d

An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.

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🔍 Key Concepts

• Fire classes (A, B, C) and what materials they cover • How dry chemical extinguishers actually put out a fire • The difference between surface fires (like liquids) and deep-seated fires (like mattresses)

💭 Think About

• For each option, ask: what class of fire is this mainly (A, B, or C)? • Think about which situation might allow the fire to re-ignite internally even after the surface looks out, especially when using a powder agent. • Consider where dry chemical is very commonly recommended and where another type (like foam or water) might be preferred for best results.

✅ Before You Answer

• Verify which materials are in Class A (ordinary combustibles), Class B (flammable liquids), and Class C (energized electrical equipment). • Check where an ABC dry chemical extinguisher is specifically designed to be used effectively and safely. • Ask yourself: in which option would powder mainly coat the surface but have trouble penetrating the burning material?

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Question 1 of 20

An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.

spilled liquids such as oil or paint

high voltage electrical gear

a mattress

a trash can

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Question 1 / 2066636eec28f7522a1c51bf3d

Question 1 of 2066636eec28f7522a1c51bf3d

An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.

Back

Question 1 of 20

66636eec28f7522a1c51bf3d

An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.

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