Red Seal Carpenter Exam (Interprovincial)
B. Planning and layout: practice questions
Our Red Seal Carpenter bank has 28 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
A floor is 4.8 m × 3.6 m. What is its area?
- 16.8 m²
- 17.28 m²
- 1.728 m²
- 8.4 m²
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B. 17.28 m² — 4.8 × 3.6 = 17.28 m².
Question 2
On a drawing scaled 1:50, a wall measures 84 mm. What is its actual length?
- 4.2 m
- 42 m
- 8.4 m
- 0.84 m
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A. 4.2 m — 84 mm × 50 = 4,200 mm = 4.2 m.
Question 3
A wall 9.6 m long has studs at 400 mm on centre. Ignoring openings, corners and extra studs, about how many studs are needed?
- 25
- 16
- 38
- 24
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A. 25 — 9,600 ÷ 400 = 24 spaces, plus one to close the end = 25.
Question 4
A gable roof spans 9 m. What is the total run of a common rafter?
- 3 m
- 18 m
- 9 m
- 4.5 m
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D. 4.5 m — Total run = total span ÷ 2 (Red Seal carpenter formula sheet).
Question 5
A fixed point of known elevation used as a reference for site levels is a:
- Batter board
- Control joint
- Benchmark
- Grade stake
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C. Benchmark — All elevations on site are measured from the benchmark.