Portable foam fire-extinguishers are...

Question 1 / 2066636eec28f7522a1c51c9ea

Question 1 of 2066636eec28f7522a1c51c9ea

Portable foam fire-extinguishers are designed for use on which class of fires?

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Question 1 of 20

66636eec28f7522a1c51c9ea

Portable foam fire-extinguishers are designed for use on which class of fires?

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🔍 Key Concepts

• Fire classes and what A, B, and C each represent (solids, flammable liquids, electrical) • How foam works to extinguish a fire (cooling and smothering the fuel surface) • Whether foam agents are conductive or non-conductive around energized electrical equipment

💭 Think About

• First, match each fire class (A, B, C) with its typical fuel type. Which types of fuel are foam agents most effective on? • Think about what happens if foam is sprayed on live electrical equipment—would that be safe, or is another extinguisher type preferred for Class C? • Compare foam with CO₂ and dry chemical agents: which of those are commonly used on electrical (Class C) fires, and which are more for solids and flammable liquids?

✅ Before You Answer

• Confirm which classes specifically involve flammable liquids and which involve energized electrical equipment • Check whether standard portable foam extinguishers are generally recommended or not recommended for Class C fires • Eliminate any option that includes a fire class where using water-based or conductive agents would be unsafe

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Question 1 of 20

Portable foam fire-extinguishers are designed for use on which class of fires?

Class B and class C fires

Class A and class C fires

Class A and class B fires

Class A, class B, and class C fires

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Question 1 / 2066636eec28f7522a1c51c9ea

Question 1 of 2066636eec28f7522a1c51c9ea

Portable foam fire-extinguishers are designed for use on which class of fires?

Back

Question 1 of 20

66636eec28f7522a1c51c9ea

Portable foam fire-extinguishers are designed for use on which class of fires?

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