Your vessel is limited to a maximum draft of...

Question 1 / 2066636eec28f7522a1c51d19c

Question 1 of 2066636eec28f7522a1c51d19c

Your vessel is limited to a maximum draft of 27'-06". The present drafts are: FWD 24'-10", AFT 26'-00". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

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66636eec28f7522a1c51d19c

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🔍 Key Concepts

• Maximum allowable draft versus current drafts and desired final drag • Using the Stability Data Reference Book (blue pages) to find tons per inch immersion (TPI) and the longitudinal center of flotation (LCF) / tipping center • Relationship between loading a given weight at a certain longitudinal position and the change in trim by the stern or by the bow

💭 Think About

• First, figure out what the final forward and aft drafts must be if the ship is limited to 27'-06" and you want exactly 1 foot of drag by the stern. Which end will reach the limiting draft? • From the blue pages, determine how many tons you can add before reaching that limiting draft, using the appropriate TPI value for this draft range. • Use the trim and LCF data to decide where the added weight must act longitudinally so that you end up with the desired 1-foot difference between the forward and aft drafts. Does it need to be placed forward or aft of amidships/tipping center to get that trim?

✅ Before You Answer

• Be sure your final aft and forward drafts satisfy both: (1) max draft not exceeded, and (2) exactly 1'-00" drag by the stern. • Confirm you used the correct TPI and trim/LCF values from the Stability Data Reference Book for the draft range that corresponds to the final condition, not the initial condition. • Check whether the calculated longitudinal position of the cargo is being described relative to amidships or tipping center in the answer choices, and match units carefully (feet, tons).

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Question 1 of 20

1250 tons 1.4 feet aft of the tipping center

950 tons 5.6 feet aft of amidships

1250 tons 4.3 feet forward of amidships

950 tons 2.5 feet forward of the tipping center

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Question 1 / 2066636eec28f7522a1c51d19c

Question 1 of 2066636eec28f7522a1c51d19c

Back

Question 1 of 20

66636eec28f7522a1c51d19c

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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