Question 164Safety & Environmental - Assistant Engineer

70% to pass

What is the usual effect of moving weight from low in the vessel to above the main deck?

AThe stability is increased.
BThe stability is decreased.
CThe draft is increased.
DThe reserve buoyancy is decreased.
AI Explanation

The correct answer is B) The stability is decreased. Moving weight from low in the vessel to above the main deck raises the vessel's center of gravity, which decreases the vessel's stability. This is because the higher center of gravity reduces the vessel's righting moment, making it more susceptible to capsizing. The higher center of gravity also reduces the vessel's initial stability, making it more likely to roll excessively in waves. The other options are incorrect because: A) Increasing the height of the center of gravity decreases stability, not increases it. C) Moving weight higher does not affect the vessel's draft. D) Raising the center of gravity does not directly affect the vessel's reserve buoyancy.

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