Safety equipmentQuestion 61 of 352

How much may a fuel tank move on its mounting surface?

  1. No more than one-fourth inch
  2. Up to 3 inches
  3. Up to 1 foot
  4. It may slide freely
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Correct answer: No more than one-fourth inch

A tank must be firm so hoses do not tear loose.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 183: Boats and Associated Equipment, § 183.550 Fuel tanks: Installation

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Questions last reviewed: 18 October 2026