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WorksheetsTimber Preparation for Painting Quiz
Total questions: 10
Worksheet time: 5mins
Which of the following is the primary purpose of applying knotting solution to timber before painting?
To improve the adhesion of paint to the surface
To prevent resin from knots bleeding through the paint
To remove old paint from the timber
To increase the timber's moisture content
At which stage in the preparation of timber should knotting solution be applied?
After the first coat of paint
Before any sanding or cleaning
After sanding and cleaning, but before priming
Only after the final coat of paint
Which of the following is NOT a recommended method for removing old paint from timber?
Burning off
Sanding
Chemical paint remover
Applying knotting solution
What is a key safety precaution when using the burning off method to remove paint from timber?
Work in a poorly ventilated area
Use a plastic scraper
Keep a bucket of water or fire extinguisher nearby
Wear sandals
Which of the following statements about chemical paint removers is TRUE?
They are always safe to use without gloves
They can soften old paint for easier removal
They are only effective on metal surfaces
They should be applied after the final coat of paint
Why is it important to remove all traces of chemical paint remover from timber before painting?
It can cause the timber to rot
It may react with the paint and affect adhesion
It makes the timber too smooth
It increases the drying time of the paint
Which of the following is a disadvantage of the burning off method for paint removal?
It is very slow
It can scorch or damage the timber if not done carefully
It is the safest method available
It requires no special equipment
When preparing timber for painting, what is the main reason for sanding the surface after using a chemical paint remover?
To add colour to the timber
To remove any remaining paint and smooth the surface
To increase the timber's weight
To make the timber waterproof
Which of the following should be avoided when applying knotting solution?
Applying it only to the knots
Applying it to the entire surface of the timber
Allowing it to dry before priming
Using a clean brush
What is the main function of a scraper when using the burning off method?
To apply heat to the paint
To remove softened paint from the timber
To apply knotting solution
To sand the timber
