Question 5044 Deck General

The correct answer is A) the displacement of the MODU (Mobile Offshore Drilling Unit). The free surface corrections depend on the dimensions of the surface of the free liquids and the displacement of the vessel. This is because the free surface effect, which accounts for the free movement of liquids within tanks, reduces the vessel's overall stability. The larger the free liquid surface area and the greater the vessel's displacement, the more significant the free surface effect will be on the vessel's stability characteristics. The other answer choices are incorrect because the volume of liquid in the tank (B) and the location of the tank (D) do not directly determine the free surface correction. The height of the center of gravity (C) may influence the free surface effect, but it is not the primary factor.