Which statement is TRUE concerning fuel...

Question 1 / 2707066636eec28f7522a1c51cde8

Question 1 of 2707066636eec28f7522a1c51cde8

Which statement is TRUE concerning fuel vapors on a vessel?

Question 1 of 27070

Which statement is TRUE concerning fuel vapors on a vessel?

🔍 Key Concepts

• Gasoline vapor behavior in an enclosed space • Difference between vapors and liquid fuel • How vapor density affects where fumes accumulate on a boat

💭 Think About

• Think about whether gasoline vapors are heavier or lighter than air, and where they would naturally collect inside a hull. • Consider if electrical sparks, hot surfaces, or static electricity could ignite vapors, or if it really must be an open flame. • Picture where vent outlets should safely discharge vapors in relation to where air is being drawn into the engine.

✅ Before You Answer

• Verify where heavier‑than‑air vapors will settle inside a vessel. • Check if ignition sources are limited to open flame or include other sources like switches and motors. • Confirm the intended purpose of fuel-tank vent outlets and where they should release vapors.

Question 1 of 27070

Which statement is TRUE concerning fuel vapors on a vessel?

Vent outlets should be located above the level of the carburetor air intake.

Fuel vapors can only be ignited by an open flame.

Fuel vapors gather in the lowest portions of the vessel.

None of the above