Prepare for the Water Survival 929 Test. Use flashcards, multiple choice questions, hints, and explanations. Get water safe!

Multiple Choice

Lifeboats on modern ships are made of ___.

Fiberglass lifeboats are used because they offer a strong yet lightweight hull with excellent resistance to saltwater corrosion. This combination makes deployment via davits easier and reduces the load on the ship during an emergency. The material is non-conductive and non-magnetic, lowering electrical hazards and interactions with equipment, and it handles repeated impacts and rough seas well when properly designed. Fiberglass can be molded into efficient shapes and filled with flotation foam to ensure buoyancy even if the hull is damaged, and it typically requires less maintenance than steel since it doesn’t rust and doesn’t need frequent painting. While aluminum is also corrosion-resistant and lightweight, it can be more costly and may pose other corrosion considerations; wood can rot and deteriorate in marine environments; steel, though strong, is heavy and susceptible to corrosion without constant protection. Thus, fiberglass provides the best practical balance of weight, durability, and safety for modern lifeboats.

Fiberglass lifeboats are used because they offer a strong yet lightweight hull with excellent resistance to saltwater corrosion. This combination makes deployment via davits easier and reduces the load on the ship during an emergency. The material is non-conductive and non-magnetic, lowering electrical hazards and interactions with equipment, and it handles repeated impacts and rough seas well when properly designed. Fiberglass can be molded into efficient shapes and filled with flotation foam to ensure buoyancy even if the hull is damaged, and it typically requires less maintenance than steel since it doesn’t rust and doesn’t need frequent painting. While aluminum is also corrosion-resistant and lightweight, it can be more costly and may pose other corrosion considerations; wood can rot and deteriorate in marine environments; steel, though strong, is heavy and susceptible to corrosion without constant protection. Thus, fiberglass provides the best practical balance of weight, durability, and safety for modern lifeboats.