Carpenter Red Seal Exam Prep · Question
Which of the following lines on a blueprint typically indicates the boundaries of an object that is not visible in the current view?
Dashed lines, also known as hidden lines, are used on blueprints to represent features or edges that are not directly visible from the current viewing angle, bu
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Question: Which of the following lines on a blueprint typically indicates the boundaries of an object that is not visible in the current view?
Answer options:
- Continuous thick line
- Continuous thin line ✅ Dashed line (hidden line)
- Chain thin line (centre line)
Correct answer: Dashed line (hidden line)
Explanation: Dashed lines, also known as hidden lines, are used on blueprints to represent features or edges that are not directly visible from the current viewing angle, but are part of the object's construction.
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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
- According to the National Building Code of Canada (NBC) 2020, what is the primary consideration for the requir
- Two offset stakes are driven at 2.0 m from the proposed edge of a concrete slab. The first stake is marked 'Cu
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