Humber/Ontario Real Estate Course 3 Exam Practice

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Prepare for the Humber/Ontario Real Estate Course 3 Exam with our comprehensive quiz. Dive into engaging practice questions that will enhance your understanding and readiness for the test. Elevate your confidence and get ready to ace your exam!

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For what purpose is cross bridging and solid blocking used in construction?

  1. To strengthen beams

  2. To align floor joists

  3. To prevent joist twisting

  4. To improve air circulation

  5. To provide fire resistance

  6. To block moisture

The correct answer is: To prevent joist twisting

Cross bridging and solid blocking serve a crucial role in preventing joist twisting, which is vital for maintaining the structural integrity of a building. When floor joists are subjected to loads, such as furniture and occupants, they can sometimes twist under pressure, leading to uneven flooring and potential structural issues over time. By implementing cross bridging—an installation of diagonal braces—or solid blocking—additional pieces of lumber placed between joists—builders can effectively stabilize the joists, ensuring they maintain their intended orientation and load-bearing capabilities. This method of bracing not only reinforces the joists against twisting forces but also assists in distributing loads more evenly across the structure. Preventing joist twisting helps reduce noise from movement, minimizes the risk of sagging or structural failure, and contributes to overall durability and safety in residential and commercial buildings.