Question 745 Deck Safety

70% to pass

What can cause a lack of oxygen in a chain locker?

A Absorption
B Osmosis
C Evaporation
D Oxidation
AI Explanation

The correct answer is D) Oxidation. Oxidation can lead to a lack of oxygen in a chain locker. When metal chains or other materials in the chain locker rust or corrode, the oxidation process consumes oxygen, reducing the available oxygen in the confined space of the chain locker. This can create an oxygen-deficient atmosphere, which can be hazardous for anyone entering the space. The other options - absorption, osmosis, and evaporation - do not directly impact the oxygen level in the chain locker in the same way as oxidation.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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