A semisubmersible, 200 feet in length...

Study

Question 1 of 2066636ee728f7522a1c51887b

A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 74'-09"; Port Aft 78'-09"; Starboard Forward 69'-09"; and Starboard Aft 73'-09". What is the trim?

Back

Question 1 of 20

66636ee728f7522a1c51887b

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Mean draft at forward and aft based on port and starboard readings • How trim is defined (difference between mean aft draft and mean forward draft) • The sign convention for trim (positive vs negative for trimming by the stern vs by the bow)

💭 Think About

• How do you find a single forward draft and a single aft draft from the four readings given? • Once you have a mean forward draft and a mean aft draft, what simple subtraction gives you the trim? • After you get the numerical value, how do you decide whether it is written as positive or negative based on whether the vessel is deeper forward or aft?

✅ Before You Answer

• Be sure you average port and starboard at each end (forward and aft) before finding trim • Check that you are subtracting in the correct order: aft minus forward for trim by the stern • Confirm which sign (positive or negative) corresponds to being deeper by the bow versus deeper by the stern in this exam’s convention

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed