Preserving Timber (Junior Cert Wood Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a preservative?
What is a preservative?
A substance that keeps wood safe from decay
How do oil-based preservatives protect wood?
How do oil-based preservatives protect wood?
By seeping into wood fibres from within
What are oil-based preservatives suitable for?
What are oil-based preservatives suitable for?
Marine wood and utility poles
What is an environmental concern with oil-based preservatives?
What is an environmental concern with oil-based preservatives?
Risk of oil spills and toxic runoff
What do water-based preservatives usually include?
What do water-based preservatives usually include?
Copper or biocides
How do water-based preservatives compare to oil-based in toxicity?
How do water-based preservatives compare to oil-based in toxicity?
Less toxic than oil-based
What is a drawback of water-based preservatives?
What is a drawback of water-based preservatives?
Can leach, especially in wet areas
What are water-based preservatives ideal for?
What are water-based preservatives ideal for?
Household items like furniture
What protection do organic solvent-based preservatives provide?
What protection do organic solvent-based preservatives provide?
Long-lasting in harsh environments
What issue makes organic solvent-based preservatives polluting?
What issue makes organic solvent-based preservatives polluting?
They are highly volatile
What health concern exists with organic solvent-based preservatives?
What health concern exists with organic solvent-based preservatives?
Health risks if not used properly
Which type is safest for residential use?
Which type is safest for residential use?
Water-based preservatives