What is the purpose of a vent header?

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Question 1 of 2066636eec28f7522a1c51ca97

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66636eec28f7522a1c51ca97

What is the purpose of a vent header?

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🔍 Key Concepts

• Meaning of the word header in piping systems • How multiple tank vent lines are arranged on larger vessels • Differences between flame arresters, overflow arrangements, and water traps

💭 Think About

• Think about what a header pipe does in any plumbing or piping system—what is its basic function? • Which choice describes a system‑level function (affecting several vents), rather than a safety feature at a single vent opening? • Ask yourself: which option sounds like a description of a special fitting (like a flame screen or gooseneck) instead of a whole piping arrangement?

✅ Before You Answer

• Identify which option deals with multiple vent lines together, not just one opening • Separate fire protection functions from piping arrangement functions • Distinguish between preventing overflow and simply providing a common route for vapors

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Question 1 of 20

What is the purpose of a vent header?

Prevents passage of flame into fuel tanks

Combines individual vent lines into a main

Catches overflow

Prevents entry of water into vent systems

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