gce 2021 intermediate level joinery 2

gce 2021 intermediate level joinery 2

gce 2021 intermediate level joinery 2

SECTION A

  1. In order to ensure the resistance of joints in wood joinery work, assembling aids (nails and screws) are required.
  2. a) Differentiate between screws and nails.                                                                           (3marks)
  3. b) Draw a butt hinge and name the following parts: Pin Knuckle, Leave, Screw and hole (5marks)
  4. c) Give two factors that influence the choice of each of the following ironmongery.        (6marks)
  5. Screws
  6. Nails
  • Hinges
  1. Locks

______________________________________________________________________________________________ 2.             A commercial dimension of timber is an important factor that determines a conversion method                of most logs.

  1. a) Outline four other factors that influence the choice of a conversion method of a log                    apart from commercial dimensions of timber.                                                                  (4marks)
  2. b) Draw a converted piece of timber and label the three main axis of the growth.   (4marks)
  3. c) Some defects in timber can be avoided during conversion.
  4. i) Name any three of the defects.
  5. ii) Explain how each of these defects can be avoided during conversion. (6marks)

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