Wood Texture Classification Quiz
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Questions and Answers

What is the main factor that determines the quality of the finished lumber product?

  • The direction of the wood grain (correct)
  • The brightness of the sapwood
  • The color of the heartwood
  • The smell of the lumber

    • Which part of a tree trunk is where liquid sap passes through from root to crown?

  • Springwood
  • Sapwood (correct)
  • Heartwood
  • Summerwood

    • How can the age of a tree be determined?

  • By measuring the length of the logs
  • By checking the smell of the wood
  • By examining the color of the lumber
  • By counting the annual rings in the tree trunk (correct)

    • What process is crucial in ensuring that lumber achieves excellence in quality?

    <p>Drying or seasoning the lumber</p> Signup and view all the answers

    What is done to logs to make them suitable for use after being sawed into lumber?

    <p>Seasoning or drying</p> Signup and view all the answers

    What characteristic of lumber can be classified based on its direction, arrangement, or alignment?

    <p>Grain</p> Signup and view all the answers

    Which part of a tree is the principal source of lumber?

    <p>Trunk</p> Signup and view all the answers

    What is the primary function of the cambium layer in a tree?

    <p>Developing into wood or bark</p> Signup and view all the answers

    Which tree part is responsible for absorbing water and oxygen necessary for plant respiration?

    <p>Roots</p> Signup and view all the answers

    What is the thick outer part of tree bark called?

    <p>Cortex</p> Signup and view all the answers

    Which part of a tree is most susceptible to insect attacks?

    <p>Pith</p> Signup and view all the answers

    In making cork and tannic acid, which part of the tree is used?

    <p>Cortex</p> Signup and view all the answers

    What does air drying refer to in the context of lumber?

    <p>Drying lumber by piling the boards carefully in open air</p> Signup and view all the answers

    Which method aims to hasten the rapid evaporation of moisture contained in 'green wood'?

    <p>Kiln drying</p> Signup and view all the answers

    Why is softwood cheaper than hardwood?

    <p>Because softwood is lighter and easier to work on</p> Signup and view all the answers

    In lumber classification, which type of trees fall under softwood?

    <p>Trees with needlelike leaves that shed</p> Signup and view all the answers

    What is the main purpose of leaving a small open space between edges when air drying lumber?

    <p>To facilitate quicker evaporation of moisture</p> Signup and view all the answers

    How is kiln drying different from air drying when it comes to drying lumber?

    <p>Kiln drying uses an oven for drying, while air drying uses open air</p> Signup and view all the answers

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