Question 1797 Deck Safety

70% to pass

You are reading the draft marks as shown in illustration D032DG. The top 2 inches of the 9 forward is visible above the water level, and the water level is four inches below the 10 aft. What is the mean draft?

Diagram for USCG Deck Safety: You are reading the draft marks as shown in illustration D032DG. The top 2...
A 9'-10"
B 9'-06"
C 9'-04"
D 9'-02"
AI Explanation

The correct answer is B) 9'-06". To arrive at this answer, we need to calculate the mean draft based on the information provided: - The top 2 inches of the 9 forward is visible above the water level - The water level is 4 inches below the 10 aft This means the draft at the forward is 9 feet minus 2 inches, which is 8'-10". The draft at the aft is 10 feet minus 4 inches, which is 9'-08". The mean draft is the average of these two measurements, which is 9'-06". The other options are incorrect because they do not accurately represent the mean draft based on the given information.

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