A jack-up with a calculated moment to change...

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Question 1 of 2066636ee728f7522a1c517e9f

A jack-up with a calculated moment to change list one inch (MCL1") of 1,200 foot-kips intends to transfer 100 kips of weight in a transverse direction. How far should the weight be transferred to change the draft on the port side from 11.5 to 11.0 feet?

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Question 1 of 20

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🔍 Key Concepts

• Relationship between MCL1" (moment to change list 1 inch) and how many inches of draft change you want on one side • How to compute a transverse moment using weight × distance (W × d) • Converting between feet of draft change and inches of list change for use with MCL1"

💭 Think About

• How many inches of change in draft on the port side does a change from 11.5 ft to 11.0 ft represent? • If MCL1" is 1,200 foot-kips, what total moment (in foot-kips) is needed to produce that many inches of change? • Once you know the required moment and you know the weight moved (100 kips), what distance must that weight move to create that moment?

✅ Before You Answer

• Be sure to convert feet of draft change to inches before using MCL1" • Check that your final moment units are foot-kips so they match the MCL1" units • After solving for distance, compare it to the answer choices and make sure the order of magnitude makes sense (not unrealistically small or huge for a jack-up)

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