The DEEP DRILLER is loaded as shown in the...

Question 1 / 2066636ee728f7522a1c51790b

Question 1 of 2066636ee728f7522a1c51790b

The DEEP DRILLER is loaded as shown in the Sample Load Form Number 5 (Survival) when an unexpected slowly increasing starboard list and bow down trim occurs. A leak in 1S is found. By deballasting from ballast tanks 2S and 3S, the inclination slowly decreases. The increase in the transverse free surface corrections is __________.

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🔍 Key Concepts

• Free surface effect and how it changes when you deballast slack tanks • How the transverse free surface correction is calculated from individual tank free surface moments • What happens to total free surface correction when you remove ballast from certain tanks but still have a damaged/partially filled compartment

💭 Think About

• Compare the free surface contributions of tanks 2S and 3S before and after deballasting—are they slack, pressed up, or empty in each condition? • Think about whether the damaged tank 1S is contributing a larger, smaller, or unchanged free surface effect after deballasting from 2S and 3S. • Ask yourself: does the total transverse free surface correction (sum of all tanks/compartments) increase or decrease when you remove ballast from side tanks on the same side as the damage?

✅ Before You Answer

• Confirm which tanks are slack versus pressed up/full versus empty in the survival condition and after deballasting. • Verify that the transverse free surface correction is based on the sum of individual free surface moments divided by displacement—does displacement change when you deballast? • Double-check the units of the free surface correction (feet of GM correction) and ensure you’re comparing like with like from the sample load form.

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Question 1 of 20

1.25 feet

0.90 foot

0.84 foot

0.22 foot

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Question 1 / 2066636ee728f7522a1c51790b

Question 1 of 2066636ee728f7522a1c51790b

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Question 1 of 20

66636ee728f7522a1c51790b

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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