Moisture Content (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 does moisture content (MC) in timber measure?
What does moisture content (MC) in timber measure?
Moisture in wood vs its dry weight
What is the Fibre Saturation Point (FSP)?
What is the Fibre Saturation Point (FSP)?
Water only in cell walls, cavities dry
How does high moisture content affect wood strength?
How does high moisture content affect wood strength?
Makes wood weaker
What happens when moisture content in wood changes?
What happens when moisture content in wood changes?
Wood expands or shrinks
What can happen if moisture content is wrong?
What can happen if moisture content is wrong?
Wood can rot or get pests
What might happen if timber is not dried correctly for construction?
What might happen if timber is not dried correctly for construction?
It might warp or not fit properly
What is the main advantage of the oven drying method?
What is the main advantage of the oven drying method?
Very accurate
What is the main disadvantage of the oven drying method?
What is the main disadvantage of the oven drying method?
Takes a lot of time
What are the two types of electronic moisture metres?
What are the two types of electronic moisture metres?
Resistance-type and capacitance-type
Which type of electronic metre is best for higher moisture levels?
Which type of electronic metre is best for higher moisture levels?
Resistance-type
What is the formula for calculating moisture content percentage?
What is the formula for calculating moisture content percentage?
(wet wt - dry wt) / dry wt × 100%
What is environmental equilibrium in wood?
What is environmental equilibrium in wood?
Wood moisture matches the environment