1. Density is a measure of weight of wood for a given volume.
a) True b) False
2. Wood with a density of 600 is twice as strong as one with a density of 300.
a) True b) False 4. Free water in wood is that water occurring within the cell cavity.
a) True b) False 5. Shrinkage of wood takes place only after all free water has been removed.
6. Moisture in solid wood is usually expressed as a percentage of the original (green) weight.
7. Decay(rot) is generally not permitted in structural lumber.
a) True b) False 8. Dry rot means that decay progresses while the wood is dry - below 20% m.c.
a) True b) False 9. Decay (rot) in standing trees generally continues in wood in use.
a) True b) False 10. A large proportion of latewood is an advantage in lumber, but a disadvantage in most pulping processes.