Source: International Convention for the Safety of Fishing Vessels (The Torremolinos Convention), Regulations for the Construction and Equipment of Fishing Vessels, Chapter VII – Life-Saving Appliances and Arrangements, Part C – Life-Saving Appliance Requirements, Regulation 25 – Immersion suits.
Reference: imorules.com – Regulation 25, Immersion suits
Each set contains 10 different multiple-choice questions drawn from this regulation.