What is acceptable flame screening?

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What is acceptable flame screening?

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🔍 Key Concepts

• 46 CFR requirements for flame screens on fuel tank vents and similar openings • How mesh size (wires per inch) affects the ability to stop flame propagation • Differences between single vs. double screens and brass vs. stainless steel in regulatory language

💭 Think About

• Compare each option’s mesh size with what you remember from the CFR table or definition of an acceptable flame screen. Is a higher mesh number always better, or is there a specific range? • Think about why some regulations specify either a single screen of a certain mesh OR two coarser screens spaced apart. Which combination most closely matches that idea? • Consider whether the material (brass vs. stainless steel) is what the regulation focuses on, or whether the mesh size and arrangement are the controlling factors.

✅ Before You Answer

• Verify what 46 CFR says about acceptable flame screen construction (mesh size and configuration) for fuel tank vents or similar openings. • Check if the rule allows single screens only, or if it also recognizes double-screen arrangements as acceptable. • Confirm whether the regulation specifies minimum mesh (wires per inch) rather than just the material type.

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Question 1 of 20

What is acceptable flame screening?

A fitted single brass screen of 10 x 10 mesh

A fitted single stainless-steel screen of 15 x 15 mesh

Two fitted brass screens of 10 x 15 mesh spaced 1/2 inch apart

A fitted stainless-steel screen of 30 x 30 mesh

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Question 1 / 2066636ee728f7522a1c51736e

Question 1 of 2066636ee728f7522a1c51736e

What is acceptable flame screening?

Back

Question 1 of 20

66636ee728f7522a1c51736e

What is acceptable flame screening?

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