wood preservation

What is the primary reason for wood preservation?

• To enhance the appearance of wood

• To increase the strength of wood

• To protect wood from decay and insects

• To improve the fire resistance of wood

What is the process of impregnating wood with a preservative called?

• Pressure treatment

• Surface treatment

• Coating

• Sanding

Which of the following is a benefit of using pressure-treated wood?

• It is more expensive than untreated wood

• It is resistant to rot and insect damage

• It has a better appearance than untreated wood

• It is more lightweight than untreated wood

Which of the following is a method of surface wood preservation?

• Pressure treatment

• Borate treatment

• Painting or staining

• Thermal modification

What is wood preservation

Mention the two classes of wood preservation

Answer explanation

1. Tar oil

2. Open tank

3. cold immersion