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Questions and Answers
Which type of lumber tends to twist and wear unevenly?
Which type of lumber tends to twist and wear unevenly?
- Dimension lumber
- Vertical grain lumber
- Flat grain lumber (correct)
- Timbers and beams
What is the main factor that controls the thermal expansion of wood?
What is the main factor that controls the thermal expansion of wood?
- Humidity levels
- Changes in moisture content (correct)
- Wood species
- Changes in temperature
What is one of the benefits of using natural wood as a building material?
What is one of the benefits of using natural wood as a building material?
- It is lightweight
- It is easy to find
- It insulates well (correct)
- It has a high melting point
What is the difference between sapwood and heartwood?
What is the difference between sapwood and heartwood?
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What are the defects of wood?
What are the defects of wood?
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What is the classification of lumber based on?
What is the classification of lumber based on?
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