Timber (Leaving Cert Construction Studies): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of trees do softwoods come from?
What type of trees do softwoods come from?
Coniferous, cone-bearing trees
What does 'hydroscopic' mean in relation to timber?
What does 'hydroscopic' mean in relation to timber?
It naturally absorbs moisture
Which part of a tree provides the best quality timber for construction?
Which part of a tree provides the best quality timber for construction?
Heartwood
What is the maximum moisture content for structural timber at construction time?
What is the maximum moisture content for structural timber at construction time?
At what moisture content does wet rot attack timber?
At what moisture content does wet rot attack timber?
or higher
How much healthy timber must be removed around a dry rot infection?
How much healthy timber must be removed around a dry rot infection?
Minimum 600mm
Which standard must structural timber in Ireland comply with?
Which standard must structural timber in Ireland comply with?
IS EN 1995
Why does plywood always have an odd number of layers?
Why does plywood always have an odd number of layers?
So both outer surfaces show same grain
Which of these is a conversion defect rather than a natural defect?
Which of these is a conversion defect rather than a natural defect?
Twisting