Question 2079 Deck Safety

70% to pass

What does NOT affect the value of the free surface correction?

A Specific gravity of the liquid in the tank
B Width of the tank
C Length of the tank
D Registered tonnage
AI Explanation

The correct answer is D) Registered tonnage. The free surface correction is a calculation used to determine the stability of a vessel. It takes into account the effect of free-flowing liquids in partially filled tanks, which can reduce the vessel's stability. The factors that affect the value of the free surface correction are the specific gravity of the liquid, the width of the tank, and the length of the tank - not the registered tonnage of the vessel. The registered tonnage is a measure of the vessel's size and capacity, and it does not directly influence the free surface correction.

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