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

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Question 1 of 2066636ee728f7522a1c5178ba

The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new transverse free surface correction (FSCT) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?

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Question 1 of 20

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🔍 Key Concepts

• Free surface effect (FSE) and how it is represented as a free surface correction (FSC or FSCT) to KG • How removing a slack tank (discharging all ballast) changes the vessel’s total free surface moment • Using the sample load form’s free surface tables to find the FSCT before and after a tank condition changes

💭 Think About

• Look at Sample Load Form #1 and identify the current FSCT with all tanks as shown. What is the listed transverse free surface correction in that initial condition? • Then, determine the new status of Salt Water Ballast Tanks 1P and 1S once they are fully discharged. Do completely empty tanks contribute any free surface? • Using the ship’s data tables, figure out the total free surface moment with 1P and 1S in their original slack condition, then again with them empty. How does that change the overall FSCT to KG?

✅ Before You Answer

• Verify whether FSCT is proportional to total free surface moment divided by displacement on this vessel’s load form, and how that relationship is expressed in the tables provided. • Confirm from the hydrostatic/ballast tables what the individual free surface moments are for Tanks 1P and 1S in the original condition and when empty. • After calculating the new FSCT, compare it to each answer choice and check which is closest to your computed value, taking care with units (feet) and rounding as shown on the sample form.

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