Which of the following is considered to be a...

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Question 1 of 2066636ee728f7522a1c517bb6

Which of the following is considered to be a B-II portable fire extinguisher?

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Question 1 of 20

66636ee728f7522a1c517bb6

Which of the following is considered to be a B-II portable fire extinguisher?

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🔍 Key Concepts

• USCG portable fire extinguisher classifications (letter = type of fire, Roman numeral = size/capacity) • The kinds of fires a Class B extinguisher is designed for (what burns in a Class B fire?) • Typical sizes/capacities that fall into size I vs size II for marine extinguishers

💭 Think About

• First, identify what type of fire a "B" extinguisher is meant to fight and which of the listed agents can be used on that type of fire. • Next, think about how the Roman numerals (I, II, III, etc.) relate to the amount of extinguishing agent, not the weight of the whole extinguisher. • Compare the approximate capacities of a 2 lb dry chemical, a 4 lb CO₂, and a 2-1/2 gallon foam extinguisher to the typical minimums for a size II unit.

✅ Before You Answer

• Verify from a marine firefighting reference which minimum capacities correspond to a size B-I vs B-II extinguisher. • Check which of the listed extinguishers would meet or exceed the minimum capacity for B-II, rather than just being any Class B extinguisher. • Confirm that you are not confusing agent weight (pounds of chemical or gas) with rating/size classification (B-I, B-II, etc.).

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Question 1 of 2066636ee728f7522a1c517bb6

Which of the following is considered to be a B-II portable fire extinguisher?

Back

Question 1 of 20

66636ee728f7522a1c517bb6

Which of the following is considered to be a B-II portable fire extinguisher?

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

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