Spaces containing gasoline-powered machinery or gasoline storage tanks on small passenger vessels should have ventilator ducts that extend to the bilges because __________.

Question

Accepted Answer

Gasoline vapors are heavier than air, tend to settle in the bilges, and create an explosion hazard

Answer

oil and water mix there

Answer

it prevents air from entering or leaving the space

Answer

air is heavier than gas fumes

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