Coast Guard Exams

Question 57

ONC05

What is the name given to the strake on each side of the keel?

AI Explanation
The Correct Answer is C **Explanation for Option C (Garboard strake):** The **Garboard strake** is the name given to the line of planks (or plating) that is immediately adjacent to, and connected to, the keel on each side of a ship or boat hull. It forms the lowest continuous strake on the vessel's bottom plating. **Explanation of Incorrect Options:** * **A) Gatewood strake:** This term is not a standard nautical or naval architecture term for hull plating. * **B) Insulation strake:** This term refers to a section of plating designed for insulation purposes, typically used in specific areas (e.g., around hot machinery), but it is not the structural name for the first strake connected to the keel. * **D) Sheer strake:** The **Sheer strake** is the uppermost line of planks or plating on the side of a vessel, located just below the rail cap or gunwale. It is structurally important but is located at the top of the hull, not adjacent to the keel.