Boating Coach US
Safety equipmentQuestion 54 of 352

Where in the compartment must the intake duct for an exhaust blower be?

  1. In the top third
  2. Under the engine in the bilge water
  3. In the lower third, above the normal bilge water
  4. Outside the boat on the deck
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Correct answer: In the lower third, above the normal bilge water

Gas fumes settle low, so the intake is low but above the bilge water.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 183: Boats and Associated Equipment, § 183.610 Powered ventilation system

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Questions last reviewed: 18 October 2026