Timber

Hardwood is always harder than Softwood...

• True

• False

In which direction wood has higher strength?

• Parallel to the grain

• Perpendicular to the grain

What is a typical value for the tensile strength of hardwood parallel to the grain ?

• 2 MPa

• 20 MPa

• 20 GPa

• 200 MPa

What is a typical value for the tensile strength of hardwood perpendicular to the grain ?

• 0.6 MPa

• 6 MPa

• 6 GPa

• 60 MPa

What is a typical value for the compressive strength of hardwood parallel to the grain ?

• 2.5 MPa

• 25 MPa

• 25 GPa

• 250 MPa

What is a typical value for the compressive strength of hardwood perpendicular to the grain ?

• 0.8 MPa

• 8 MPa

• 8 GPa

• 80 MPa

In which direction wood presents lower shrinkage?

• Longitudinal

• Tangential

• Radial

• It's the same in all directions

The moisture content in the figure below is...

• Above the fibre saturation point

• At fibre saturation point

• Below the fibre saturation point

• In between

The moisture content in the figure below is...

• Above the fibre saturation point

• At the fibre saturation point

• Below the fibre saturation point

• In between

The moisture content in the figure is...

• Above the fibre saturation point

• At the fibre saturation point

• Below the fibre saturation point

• In between