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.

Related Questions
Q@q.QuestionNumber:To prevent the spread of fire by convection you should _______________. Q@q.QuestionNumber:What is an advantage of diesel over steam turbine propulsion? Q@q.QuestionNumber:Which documents are required by GMDSS for vessels on international voyages (othe... Q@q.QuestionNumber:The SS AMERICAN MARINER is ready to sail with the load shown in table ST- 0056 ... Q@q.QuestionNumber:What should you do for a crew member who has suffered frostbite to the toes of b...

Ready to test your knowledge?

Take a Deck Safety Practice Exam
Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
← Previous All Questions Next →

Want to practice with timed exams?

Download Coast Guard Exams for the full exam experience with progress tracking.

Get the App