Your vessel was damaged in a collision and...

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Question 1 of 2066636ef028f7522a1c5206d2

Your vessel was damaged in a collision and one compartment has partially flooded. The vessel has free communication with the sea with water flowing in and out as the vessel rolls. Which of the following is the most important factor contributing to free communication loss of stability?

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Question 1 of 20

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🔍 Key Concepts

• Free communication with the sea and how it differs from free surface effect • How water moving in and out with the roll affects transverse stability (GM) • The geometric position of the damaged space relative to the ship’s centerline and waterline

💭 Think About

• Think about what makes the ship lose the most righting arm when water can freely move in and out of a side compartment as the ship rolls. • Ask yourself which geometric dimension of the damaged space most strongly changes the heeling moment as the ship alternately fills and empties. • Consider which option would most affect how far the center of buoyancy shifts sideways for a small change in heel angle.

✅ Before You Answer

• Identify which answer choice directly affects the heeling lever created by water moving in and out of the damaged space. • Check which dimension would create the largest overturning moment when the compartment floods on one side. • Verify which factor is tied to the transverse location of added weight/buoyancy rather than just the size or depth of the space.

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