Reinforcing and Stiffening Timbers Quiz

What is tensile strength?

• The ability to resist pulling forces without snapping

• The ability to resist twisting forces

• The ability to resist compressive forces

• The ability to resist bending forces

What is kerfing?

• A type of temporary fixing

• A method of joining two pieces of wood

• Slots cut in a material to aid bending

• A method of applying surface finishes

Which force is described as a twisting force?

• Shear

• Tension

• Compression

• Torsion

What is the purpose of laminating in manufactured boards?

• To bond layers of material together to improve strength

• To reduce the weight of the board

• To apply a decorative surface finish

• To make the board waterproof

What is high cross-sectional stability?

• The ability to resist fire

• The ability to withstand flexing

• The ability to resist water absorption

• The ability to resist insect damage

What is a knock-down fitting?

• A type of surface finish

• A method of reinforcing timber

• A permanent joint using glue

• A type of fitting that can be put together easily using basic tools

Which type of timber comes from trees that drop leaves in autumn?

• Hardwood

• MDF

• Plywood

• Softwood

What is the effect of soaking timber in water or exposing it to steam?

• It becomes more resistant to fire

• It becomes more brittle

• It becomes more rigid

• It becomes more flexible