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4 marksTree Anatomy, Properties and Processing

CSEC Industrial Technology · May/June 2017 · Paper 2 · Question 3(b)

Figure 2 shows the cross-section of a tree trunk with its parts labelled A-F.

Name FOUR of the labelled parts A-F.

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Other parts of this question

  1. 3(a)State the difference between hardwoods and softwoods.[2 marks]
  2. 3(c)(i)Suggest TWO disadvantages of the quarter sawing method of conversion for producing lumber for the construction industry.[2 marks]
  3. 3(c)(ii)For the benefit of the lumber yard dealer, suggest ONE other method of timber conversion that is suitable for producing lumber for the construction industry.[1 mark]
  4. 3(c)(iii)Justify why the method of conversion stated in (c)(ii) is more suitable for producing lumber for the construction industry by listing TWO advantages and ONE…[3 marks]
  5. 3(d)(i)To avoid wastage of material, outline THREE steps that should be taken to store structural timber on a building site.[3 marks]
  6. 3(d)(ii)Calculate the moisture content for a sample of wood which weighed 24.5 grams when wet and 18.6 grams when dried. (State the formula and show all working.)[3 marks]

More practice: the rest of this paper · more Tree Anatomy, Properties and Processing questions · all CSEC Industrial Technology past papers