What Do You Know About Timber?

10 Questions | Total Attempts: 399

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What Do You Know About Timber?

Timber is a type of wood that has been processed into beams and planks, a stage in the process of wood production. What are some f the things this is used for?


Questions and Answers
  • 1. 
    .................... this defect is indicated by the marks or signs placed by chips on the finished surface of timber
    • A. 

      Torn grain

    • B. 

      Light mark

    • C. 

      Small mark

    • D. 

      Chipmark

  • 2. 
    .......is improper sawing of timber
    • A. 

      Torn grain

    • B. 

      Diagonal grain

    • C. 

      Wane

    • D. 

      Clearing

  • 3. 
    ..........is  when a small depression is made on the finished surface due to falling of some tool
    • A. 

      Chipmark

    • B. 

      Diagonal grain

    • C. 

      Torn grain

    • D. 

      Clearing

  • 4. 
    To avoid decay and termite infestation, untreated wood is separated from the ground and other sources of ............
    • A. 

      Air

    • B. 

      Oil

    • C. 

      Moisture

    • D. 

      Paints

  • 5. 
    Wood can be treated with a ............ that improves service life under severe conditions without altering its basic characteristics.
    • A. 

      Fungi

    • B. 

      Machines

    • C. 

      Tools

    • D. 

      Preservatives

  • 6. 
    ........... presence of original rounded surface in the finished product
    • A. 

      Chip mark

    • B. 

      Wane

    • C. 

      Diagonal garin

    • D. 

      Torn grain

  • 7. 
    Fungi attack timber when these conditions are all present except
    • A. 

      Oxygen (O2) is present

    • B. 

      The environment is sufficiently warm

    • C. 

      When the wood is oiled

    • D. 

      The timber moisture content is above 25% on a dry-weight basis

  • 8. 
    Which of the following is engineered timber?
    • A. 

      Planed timber

    • B. 

      Glulam beams

    • C. 

      Logs

    • D. 

      Split logs

  • 9. 
    Logs are converted into timber by being the following except
    • A. 

      Split

    • B. 

      Hewn

    • C. 

      Sawn

    • D. 

      Scrapped

  • 10. 
     A side-cut timber without any pith is known as.......
    • A. 

      Free of heart center

    • B. 

      Free of knots

    • C. 

      Heart center

    • D. 

      Boxed heart

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