Ontario Building Code Practice Exam

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Prepare for the Ontario Building Code Exam! Utilize interactive flashcards and detailed multiple-choice questions, each with hints and thorough explanations. Ace your exam with confidence!

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Which of the following is not a requirement for a fire-rated floor-ceiling assembly in a residential building?

  1. Non-combustible materials

  2. Labeled with a fire rating

  3. Continuous from wall to wall

  4. Minimum thickness of 100 mm

The correct answer is: Minimum thickness of 100 mm

A minimum thickness of 100 mm is not a requirement for a fire-rated floor-ceiling assembly in a residential building. The other options are requirements for a fire-rated floor-ceiling assembly. Non-combustible materials are necessary to prevent fire from spreading and causing structural damage. The assembly should also be labeled with a fire rating to indicate its level of fire resistance. Furthermore, the assembly needs to be continuous from wall to wall to prevent gaps where fire and smoke can pass through. This is why option D is not a requirement for a fire-rated floor-ceiling assembly in a residential building.

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