Ontario Building Code Practice Exam

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Prepare for the Ontario Building Code Exam with comprehensive quizzes that include multiple choice questions and detailed explanations. This essential resource will guide you through key topics required to pass the exam with confidence!

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Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What is the minimum clearance required for a door in a commercial building?

  1. 750 mm

  2. 800 mm

  3. 850 mm

  4. 900 mm

The correct answer is: 850 mm

Commercial building codes typically require a minimum clearance of 850 mm or 33.5 inches for doorways to allow for wheelchair accessibility and ease of movement for individuals with disabilities. Option A (750 mm), B (800 mm), and D (900 mm) do not meet this minimum requirement and may not be in compliance with building codes. Therefore, C (850 mm) is the correct and most appropriate answer.

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