As the displacement of a vessel increases,...

Question 1 / 2066636eec28f7522a1c51c1dd

Question 1 of 2066636eec28f7522a1c51c1dd

As the displacement of a vessel increases, the detrimental effect of free surface __________.

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Question 1 of 20

66636eec28f7522a1c51c1dd

As the displacement of a vessel increases, the detrimental effect of free surface __________.

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🔍 Key Concepts

• Free surface effect and how it impacts a vessel’s transverse stability (GM) • Relationship between displacement (ship size/weight) and the moment of inertia of the free surface • How free surface correction is applied: it depends on the free surface, not on the cargo weight

💭 Think About

• Think about what happens to the righting arm (GZ) and metacentric height (GM) when free surface is present in partially filled tanks. • Consider whether a larger, heavier ship with the same tank breadth and filling condition would feel the same, more, or less reduction in GM from that same free surface. • Ask yourself: does the free surface moment grow at the same rate as the ship’s displacement, or faster/slower, as ships get bigger?

✅ Before You Answer

• Recall that free surface correction (FSC) is proportional to the moment of inertia of the free liquid surface divided by displacement. • Verify whether increasing displacement (with similar tank geometry) makes the ratio in the FSC formula larger, smaller, or unchanged. • Confirm whether the question is asking about the effect per unit displacement (how badly GM is reduced) rather than just the absolute size of the ship.

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Question 1 of 20

As the displacement of a vessel increases, the detrimental effect of free surface __________.

decreases

may increase or decrease depending on the fineness of the vessel's form

increases

remains the same

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Question 1 / 2066636eec28f7522a1c51c1dd

Question 1 of 2066636eec28f7522a1c51c1dd

As the displacement of a vessel increases, the detrimental effect of free surface __________.

Back

Question 1 of 20

66636eec28f7522a1c51c1dd

As the displacement of a vessel increases, the detrimental effect of free surface __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed