In illustration D033DG below, which letter...

Question 1 of 2921866636eec28f7522a1c51c4c0

In illustration D033DG below, which letter indicates a seam?

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Question 1 of 29218

Q

In illustration D033DG below, which letter indicates a seam?

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🔍 Key Concepts

• A seam is a longitudinal joint between adjoining shell plates. • A butt is a transverse joint between plate ends. • Frames and stiffeners support plating, but they are not seams.

💭 Think About

• Trace each leader all the way to its arrowhead and decide whether it ends on a thin plate-joint line or on solid structure. • Look for the long side-shell line separating two adjacent plates. • Eliminate labels that point to vertical supports, internal framing, or broad plate surfaces.

✅ Before You Answer

• Does the arrowhead land exactly on a boundary between two plates? • Is that boundary longitudinal rather than transverse? • Have you ruled out structural supports and stiffeners?