Aboard small passenger vessels, which...

Question 1 / 2707066636ee728f7522a1c517367

Question 1 of 2707066636ee728f7522a1c517367

Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines?

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Question 1 of 27070

Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines?

🔍 Key Concepts

• 46 CFR Subchapter T requirements for small passenger vessel fuel systems • Differences in material compatibility between gasoline and diesel fuel systems • Fire and leak risk when using soft metals vs. more robust alloys

💭 Think About

• Which fuel (gasoline or diesel) is more volatile and produces more dangerous vapors, and how does that affect material choice? • Which of these tubing/pipe materials are commonly associated with higher resistance to fire, vibration, and corrosion in fuel systems? • For gasoline systems, which materials might be considered too soft or prone to damage, even if they are allowed in other systems?

✅ Before You Answer

• Verify which material is specifically restricted for gasoline fuel lines in small passenger vessels under 46 CFR but is still permitted for diesel. • Check which options are typically considered soft copper versus stronger alloys or steel. • Confirm that the selected material is explicitly prohibited for gasoline yet allowed for diesel installations in the regulations.

Question 1 of 27070

Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines?

Nickel-copper tubing

Seamless steel pipe or tubing

Annealed copper tubing

Copper-nickel tubing

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Question 1 / 2707066636ee728f7522a1c517367

Question 1 of 2707066636ee728f7522a1c517367

Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines?

Back

Question 1 of 27070

Aboard small passenger vessels, which material may be used for diesel fuel line installations but not for gasoline fuel lines?