Question 3753 Deck General

The correct answer is D) posted with instructions on the operation of the system. The reasoning behind this is that the Code of Federal Regulations (CFR) for the US Coast Guard requires that any cabinet or space containing the controls or valves for a fixed firefighting system must be clearly marked with instructions on the operation of the system. This ensures that in an emergency, the crew can quickly and easily understand how to activate the firefighting system. The other answer choices are incorrect because they do not align with the specific regulatory requirement for posting operating instructions. While the other options may be desirable safety features, they are not the specific requirement for the firefighting system control space as stated in the question.