Unit 115 Timber conversion

What is the term used for cutting timber at a 90-degree angle from the growth rings on a log to produce a vertical and uniform pattern grain?

• Boxed heart

• Through and Through

• Quarter sawn
• Tangential sawn

Which method of timber conversion produces mostly tangentially sawn timber and some quarter sawn boards?

• Tangential sawn

• Quarter sawn

• Through and through

• Lumber mill method

Which method of sawing timber removers the deadwood from the centre of the tree.

• Quarter sawing
• Boxed heart method

• Cross cutting
• Ripping

What is the primary purpose of seasoning timber?

• To make the wood lighter in weight.
• To increase the wood's flexibility.
• To reduce moisture content and improve durability.
• To enhance the color of the wood.

Why is it important to store and protect woodworking materials?

• It is important to store and protect woodworking materials to prevent damage and theft.

• To make the materials easier to transport.
• To increase the cost of woodworking projects.
• To enhance the aesthetic appeal of the workshop.

Which of the following is a characteristic of hardwood?

• Hardwoods are soft and easily damaged.
• Hardwoods are dense and durable.
• Hardwoods are primarily found in tropical regions.
• Hardwoods are lightweight and fragile.

what are common defects found in timber?

• fading
• knots, splits, warping, decay
• cracking
• bubbles

what term is given to timber sawn tangentially to the heart?

• Edge-sawn timber
• Tangentially sawn

• Plain-sawn timber
• Quarter-sawn timber

Which type of timber is typically used for structural purposes and often graded as C16 or C24?

• MDF
• Hardwood
• Softwood
• Plywood

What is the benefit of kiln drying timber compared to air drying?

• Kiln drying increases the moisture content of the timber compared to air drying.
• Kiln drying is faster, more controlled.

• Kiln drying is more expensive and less efficient than air drying.
• Air drying is faster and requires less energy than kiln drying.