Carpenter Red Seal Exam Prep · Question
Which of the following is the primary purpose of a 'blocking' or 'bridging' within a floor joist system?
Blocking or bridging, installed between floor joists, acts to prevent the joists from twisting or rotating, and helps to distribute concentrated loads spread ac
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Question: Which of the following is the primary purpose of a 'blocking' or 'bridging' within a floor joist system?
Answer options: ✅ To prevent joist rotation and distribute loads
- To provide a nailing surface for subfloor sheathing
- To create a chase for plumbing and electrical services
- To enhance the seismic resistance of the structure
Correct answer: To prevent joist rotation and distribute loads
Explanation: Blocking or bridging, installed between floor joists, acts to prevent the joists from twisting or rotating, and helps to distribute concentrated loads spread across multiple joists.
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- When interpreting a foundation plan, a dashed line with 'P. WALL' typically represents which of the following?
- A site plan shows contour lines with an interval of 0.5 m. If two adjacent contour lines are labelled 124.0 m
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