Timber Sourcing and processing LST1

What are the two main categories of Timbers?

• Natural and Produced
• Natural and Manufactured
• Natural and Man produced
• Natural and Manufaktured

Seasoning timber is when it is dried out to lower the moisture content. What happens to unseasoned timber?

• It increases strength.

• It attracts insects.

• It causes skin rashes.

• It warps and bends.

Lamination can be used to increase strength. How is this achieved in Plywood?

• Because the grain runs in opposite directions to add strength.

• Because the glue is good at adding strength.

• Because the trees for Plywood are stronger.

• Because the Plywood is thicker.

What are the processes involve timber production?

• Felling, conversion, seasoning, grading
• Cutting, Sawing, Drying, Grading

With regular sections of timber what does the acronym PAR stand for?

• Parted About Round

• Pared Against Round

• Plastic Art Robot

• Planed All Round

What is a veneer and why would you apply it to MDF?

• It is a thin layer of timber used to make MDF stronger.

• It is a thin layer of a material used to make MDF look different.

• It is a type of timber that makes MDF waterproof.

• It is a type of timber that helps MDF look different.

Why are trees, and therefore timber plantations, important to the environment?

• Trees help to soak up atmospheric pollutants, like methane.

• Trees help to soak up the rain.

• Trees help to soak up carbon dioxide.

• Trees help to soak up atmospheric gases, like oxygen.

How does the timber industry help to contribute to global warming?

• Through the growing of trees.

• Because of the effect of the leaves reflecting sunlight.

• The timber industry cuts down endangered trees and habitats.

• When timber is cut using machinery and transported it adds carbon dioxide.

Which of the following is a method of seasoning timber?

• Forced
• Pre-treated
• Kiln
• Case

What is the use of a Bag Press?

• To seal in the smells when using finishes.

• To help glue set quicker.

• To apply pressure with a vacuum to form on a mould.

• To steam timber for it to be bent.