What are the metal ribs or bars running athwartship in the bilge called?

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Multiple Choice

What are the metal ribs or bars running athwartship in the bilge called?

The concept tested here is the internal transverse framing of a ship’s hull. The metal ribs that run across the bilge are called floors. These floors are transverse members that connect the side frames and support the bottom plating, giving stiffness to the hull and forming the bilge’s internal structure. They help distribute loads and prevent buckling of the hull at the lowest part of the vessel. Other terms don’t describe these bottom cross-members: bow sheets are plating toward the bow, footing isn’t the standard name for these frames, and buoyancy units refer to compartments designed for flotation rather than the structural ribs.

The concept tested here is the internal transverse framing of a ship’s hull. The metal ribs that run across the bilge are called floors. These floors are transverse members that connect the side frames and support the bottom plating, giving stiffness to the hull and forming the bilge’s internal structure. They help distribute loads and prevent buckling of the hull at the lowest part of the vessel. Other terms don’t describe these bottom cross-members: bow sheets are plating toward the bow, footing isn’t the standard name for these frames, and buoyancy units refer to compartments designed for flotation rather than the structural ribs.

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