Quiz on Wood Properties and Products

What is one of the oldest known materials of construction?

• Plastic

• Wood

• Concrete

• Steel

What is the term for the thin layer of wood cells where the growth of wood takes place?

• Sapwood

• Cambium

• Heartwood

• Bark

Which type of wood has broad leaves and produces seeds in a shell?

• Softwood

• Hardwood

• Coniferous

• Deciduous

What is the primary function of heartwood in a tree?

• Nutrient transport

• Photosynthesis

• Mechanical support

• Water storage

What is the process of controlled drying of lumber to increase its structural properties called?

• Air drying

• Kiln drying

• Seasoning

• Moisture control

Which method of drying wood can take around one year for hardwoods?

• Oven drying

• Chemical drying

• Air drying

• Kiln drying

What type of wood product consists of sawn lumber laminations bonded with adhesive?

• Plywood

• Fiberboard

• Particleboard

• Glulam

What is the main advantage of using plywood over plain wood?

• Lower cost

• Easier to cut

• Higher density

• Resistance to warping

What is the term for the ratio between the density of wood and the density of water?

• Specific gravity

• Specific weight

• Moisture content

• Wood density

Which of the following is a common defect in wood?

• Knots

• Grain patterns

• Color variations

• Moisture content