Timber Technology

Which part of the tree supplies the best timber?

• Branches

• Roots

• Canopy

• Trunk

The best conversion method for producing high-quality hardwood timber is?

• Through and through

• Quarter sawn

• Boxed heart

• Tangential

Which of the following is not a seasoning defect found in timber?

• Bowing

• Cupping

• Winding

• Shakes

Which of the following is a method of seasoning timber?

• Forced

• Pre-treated

• Kiln

• Case

Name five parts in a cross section of a tree

• Bark, pith, trunk, annual rings, sapwood

• Bast, cambium, annual rings, pith, heartwood

• Trunk, branch, annual rings, crown, heartwood

• Cambium, pith, sapwood, knots, bowl

What do the initials WBP mean when used in connection with adhesives?

• Water Bonded Plywood

• Water and Boil Proof

• Weather and Boil Proof

• Wet Bonded Protection

Name the causes of the two types of defects found in timber.

• Unnatural and drying

• Splits and shakes

• Rot and insect attack

• Natural and seasoning

What method of timber conversion is used to produce joist section timber?

• Quarter sawn

• Tangential sawn

• Through and through sawn

• Boxed heart

What method of conversion will produce “Silver” grain in oak timber?

• Quarter sawn

• Tangential sawn

• Through and through sawn

• Boxed heart

What method of conversion is used to produce timber where the centre of the tree is rotten?

• Quarter sawn

• Tangential sawn

• Through and through

• Boxed heart