Trade certification · Carpentry and masonry
Carpentry & Masonry Trade Knowledge — Practice
The written knowledge behind carpentry and masonry work: framing, materials, layout and math, stairs and roofs, concrete and forms, brick and block, mortar, and the OSHA rules for scaffolds, ladders, tools, silica and masonry walls. Most trade credentials add a hands-on test.
Questions last checked against the official sources on October 6, 2026.
The real exam at a glance
- Credential
- Usually apprenticeship or employer testing plus a hands-on test; some states license contractors
- Tracks
- Carpentry and masonry; pick one before you start
- Safety rules
- OSHA 29 CFR 1926 (scaffolds, ladders, tools, concrete and masonry, silica)
- Code basis
- International Residential Code numbers (local codes may differ)
What you'll practise
Try a question
What is the minimum guard height on a deck more than 30 inches above grade under the IRC?
- 30 inches
- 36 inches
- 42 inches
- 48 inches
Show the answer
B. 36 inches — IRC R312.1.
Sample questions by topic (in English)
- Carpentry: lumber
- Carpentry: framing
- Carpentry: roofs
- Carpentry: stairs
- Carpentry: finish
- Carpentry: safety
- Carpentry: math
- Carpentry: materials
- Carpentry: forms
- Carpentry: tools
- Masonry: safety
- Masonry: mortar
- Masonry: joints
- Masonry: units
- Masonry: bonds
- Masonry: walls
- Masonry: concrete
Ask the examiner
Ask about this exam: why an answer is wrong, a grammar point, or “quiz me on …”.
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Questions about the Carpentry & Masonry
Is this the official Carpentry & Masonry?
No. Semplr is independent and not affiliated with the exam body. We write every question ourselves, in the official format and at the official level.
What is the real Carpentry & Masonry like?
Credential: Usually apprenticeship or employer testing plus a hands-on test; some states license contractors. Tracks: Carpentry and masonry; pick one before you start. Safety rules: OSHA 29 CFR 1926 (scaffolds, ladders, tools, concrete and masonry, silica). Code basis: International Residential Code numbers (local codes may differ).
How is my practice marked?
Instantly. You see your score against the pass mark, and an explanation for every question — including the ones you got right.
Can I take it on my phone?
Yes. The whole mock exam works on a phone, and your progress is saved in your browser.
Ready for a full run?
One sitting, real timing, then your score against the pass mark.
Start the free mock exam