The DEEP DRILLER, at a draft of 60 feet, has...

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Question 1 of 2066636ee728f7522a1c517896

The DEEP DRILLER, at a draft of 60 feet, has 3,765 ft-tons of transverse moments. How much ballast should be transferred between tanks 1P and 1S to level the unit in list?

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Question 1 of 20

66636ee728f7522a1c517896

The DEEP DRILLER, at a draft of 60 feet, has 3,765 ft-tons of transverse moments. How much ballast should be transferred between tanks 1P and 1S to level the unit in list?

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🔍 Key Concepts

• Transverse moment is created when a weight is moved sideways (port to starboard) and is equal to weight × distance moved. • When you transfer ballast from 1P to 1S, the effective shift distance is from 1P across the centerline to 1S (often 2 × the distance from centerline). • The given 3,765 ft‑tons is the total correcting moment needed; the ballast you move must create that same magnitude of moment.

💭 Think About

• Think about what happens to the center of gravity when you move weight from port to starboard. How far does that weight effectively move? • Write the basic formula for a heeling/leveling moment from weight shift, then solve it for the unknown weight to be transferred. • Compare your computed weight with the choices; does it give a reasonable, not extreme, amount of ballast for a rig like DEEP DRILLER?

✅ Before You Answer

• Use the formula Moment = Weight × Distance moved and make sure units are ft‑tons (long tons × feet). • Be clear whether the distance in your formula is from one tank to the other, or just from the centerline to one tank — this changes the moment by a factor of 2. • After you find the required weight to move, check that it is in long tons, not metric tons or pounds, before matching to the choices.

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Question 1 of 2066636ee728f7522a1c517896

The DEEP DRILLER, at a draft of 60 feet, has 3,765 ft-tons of transverse moments. How much ballast should be transferred between tanks 1P and 1S to level the unit in list?

Back

Question 1 of 20

66636ee728f7522a1c517896

The DEEP DRILLER, at a draft of 60 feet, has 3,765 ft-tons of transverse moments. How much ballast should be transferred between tanks 1P and 1S to level the unit in list?

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?

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