BM F Adhesive

Wood fibers are bound together by a substance called _____. a. lignin b. lanolin c. lignite d. lactose

• lignin

• lanolin

• lignite

• lactose

Which of the following is not an advantage of wood as a building material?

• It is relatively light in weight, but durable

• It is easily worked.

• It is immune to damage from insects and weather

• It is immune to corrosion

The term quarter-sawed means _____. a. only one-fourth of the tree is used b. the lumber is classified as softwood c. the lumber is cut with the growth rings at an angle greater than 45 degrees d. the log is cut into four equal lengths before it is cut into lumber

• only one-fourth of the tree is used

• the lumber is classified as softwood

• the lumber is cut with the growth rings at an angle greater than 45 degrees

• the log is cut into four equal lengths before it is cut into lumber

Light framing lumber is classified as _____.

• dimension lumber

• common lumber

• rough lumber

• shiplapped lumber

Which of these core materials is most common in softwood plywood?

• Veneer

• Particleboard

• Lumber

• Fiberboard

Which grade of hardboard can be used in exterior applications?

• Standard

• Particleboard

• Tempered

• Pegboard

An engineered wood product that consists of wood particles combined with a binder and is formed into panels under heat and pressure is classified as _____.

• particle veneer

• plywood

• oriented strand board

• particleboard

Which of these types of engineered lumber would be more likely to be used for millwork than as support beams?

• Glulam

• LVL

• PSL

• LSL

What type of engineered lumber product is shown in the image?

• Glulam beams

• Wood I-beams

• LVL joists

• Structural HDO rafters

Concrete that has hardened but not yet gained structural strength, is referred to

• raw

• green

• uncured

• unstable