Carpentry & Masonry Trade Knowledge — Practice
Carpentry: materials: practice questions
Our Carpentry & Masonry bank has 10 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1 · Carpentry
What is cup in a board?
- A bend along the length of the edge, like a crown
- A split
- A curve across the width of the face
- A crack through a knot
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C. A curve across the width of the face — Flat-sawn boards tend to cup away from the heart.
Question 2 · Carpentry
What is a knot in lumber?
- A split at the end of a board caused by drying too fast
- A bend along the edge
- The base of a branch embedded in the wood
- A split at the end of the board
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C. The base of a branch embedded in the wood — Large knots reduce strength.
Question 3 · Carpentry
What is OSB?
- Plywood made of thin veneers
- Oriented sheet board, a thin gypsum panel used behind brick veneer
- A solid sawn board
- Oriented strand board, made of wood strands bonded with resin in cross layers
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D. Oriented strand board, made of wood strands bonded with resin in cross layers — Used for sheathing and subfloors.