Boating Coach US
Safety equipmentQuestion 43 of 352

Which extinguisher may replace two 5-B portable extinguishers?

  1. One 2-A portable extinguisher
  2. One 20-B portable extinguisher
  3. One 10-B portable extinguisher
  4. One halon bottle of any size
Show answer

Correct answer: One 20-B portable extinguisher

The rule allows one 20-B unit in place of two 5-B units.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 175: Equipment Requirements, § 175.320 Fire extinguishing equipment required

All questionsPractice the topic "Safety equipment"

Questions last reviewed: 18 October 2026