Carpentry & Masonry Trade Knowledge — Practice
Carpentry: framing: practice questions
Our Carpentry & Masonry bank has 19 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1 · Carpentry
What is a ridge board?
- The first floor joist
- A beam under the floor that carries the floor joists
- The board at the peak where rafters meet
- The bottom plate
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C. The board at the peak where rafters meet — A structural ridge beam carries load; a ridge board doesn't.
Question 2 · Carpentry
What is a common on-center spacing for wall studs?
- 16 inches or 24 inches
- 48 inches
- 20 inches or 30 inches, depending on wall height
- 12 inches only
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A. 16 inches or 24 inches — Sheathing and drywall are sized to these spacings.
Question 3 · Carpentry
What is a sole (bottom) plate?
- The doubled board at the top of a wall that ties walls together
- The horizontal member at the bottom of a wall that studs are nailed to
- The beam over an opening
- The board at the top of the wall
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B. The horizontal member at the bottom of a wall that studs are nailed to — Top plates cap the wall.
Question 4 · Carpentry
What is the largest hole that may be bored in a bearing-wall stud without doubling it, under the IRC?
- 25% of the stud width
- 40% of the stud width
- 60% of the stud width
- 75% of the stud width
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B. 40% of the stud width — Holes must also stay at least 5/8 inch from the edge.
Question 5 · Carpentry
How much of a bearing-wall stud's width may be notched under the IRC?
- Up to 50%
- Up to 25%
- Up to 60%
- None at all
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B. Up to 25% — Bored holes up to 40% (60% if doubled). IRC R602.6.