Question 4641 Deck General
70% to passA flooded leg on a liftboat would adversely affect the vessel's stability underway by _______________.
A
increasing the reserve buoyancy
B
decreasing the vessel's displacement
C
shifting the CG (center of gravity) off center
D
increasing the righting moment
AI Explanation
The correct answer is C) shifting the center of gravity (CG) off center. A flooded leg on a liftboat would adversely affect the vessel's stability by shifting the CG off center. This shift in the CG would decrease the vessel's righting moment, making it more susceptible to capsizing. The other answer choices are incorrect because: A) increasing the reserve buoyancy would actually improve stability, not adversely affect it; B) decreasing the vessel's displacement would not directly impact stability; and D) increasing the righting moment would improve stability, not adversely affect it.
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