While loaded as shown in the Sample Load...

🔍 Key Concepts

• Displacement and draft relationship – how a change in total weight (displacement) changes mean draft using TPI (tons per inch immersion) or the immersion factor on the Sample Load Form #4 (Drilling). • Liquid mud weight and tank data – how to find the total weight of liquid mud on the original condition (tank capacities, specific gravity, and loading percentage). • Assumptions about trim – whether the problem tells you to assume level trim and use a single mean draft, or to consider trim separately.

💭 Think About

• From the original loading condition in Sample Load Form #4, what is the vessel’s total displacement and mean draft before dumping the mud? • How many tons of liquid mud are removed when it is all dumped, and how does this change the vessel’s displacement? • Given the change in displacement, what formula or table entry on the form tells you how many inches (or feet) the mean draft will change, and in which direction?

✅ Before You Answer

• Confirm you are using the correct specific gravity and 100% volume for the liquid mud tanks listed in the original condition. • Check that you are using the TPI/immersion value at the correct draft range shown on Sample Load Form #4, not a generic or wrong column. • After calculating the draft change, make sure the new draft value is reasonable (less draft after losing weight) and matches one of the choices.

While loaded as shown in the Sample Load Form #4 (Drilling), all of the liquid mud is dumped. What would be the new draft?

56.69 feet

58.14 feet

59.14 feet

63.31 feet

🔍 Key Concepts

💭 Think About

✅ Before You Answer