SC Wood Frame Structures Practice Questions - South Carolina Wood Frame Structures Contractor Examination Exam

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In conventional wood framing, what is the most common on-center spacing for 2×4 bearing-wall studs and for floor joists supporting a wood structural panel subfloor?

12 inches only, in every wall and floor 16 inches on center, unless the design or span tables require closer spacing 32 inches on center for all 2×4 bearing walls 48 inches on center when OSB is used

Correct Answer:

16 inches on center, unless the design or span tables require closer spacing

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