Carpentry 1 Building Material, Fasteners, and Adhesives

In a tree, growth takes place in the ________

• heartwood

• medullary rays

• cambium layer

• bark

In the grading stamp shown in Review Question Figure 1, the term S-GRN means that the lumber _______________.

• has a maximum 19 percent moisture content

• has a maximum 15 percent moisture content

• has mositure content over 19 percent

A piece of lumber 2¨ in thickness and 4¨ wide would be described by which of these grading classifications?

• light framimg

• joists and planks

• beams and stringers

• posts and timbers

If lumber is graded as double-end-trimmed, its ends are trimmed _______________.

• square within a tolerance of 1/64¨ for every 2¨

• twice at each end

• reasonably square on both ends

• square and smooth on both ends within a tolerance of 1/16¨ for the entire length

Ground-contact -grade pressure-treated lumber has a preservative retention of ______________.

• 0.25 pounds per cubic foot

• 0.40 pounds per cubic foot

• 0.45 pounds per cubic foot

• 0.60 pounds per cubic foot

Plywood layers (plies) with grain at right-angles to the core are called _________________.

• spacers

• crossbands

• stiffeners

• lateral bands

Plywood that is typically used to manufacture doors, furniture, and cabinets is known as _________.

• softwood plywood

• finished plywood

• hardwood plywood

The type of hardboard that is coated with oils and resins during its manufacture is ____________.

• tempered hardboard

• service-grade hardboard

• standard-grade hardboard

• exterior hardboard

Which of the following is not a characteristic of oriented strand board (OSB)?

• Dimensional stability

• Stiffness

• Fastener holding capacity

• Attractive face grain

Which of the following types of sheet material is used in high-wear applications such as concrete forms, cabinets, and countertops?

• HDO

• MDO

• OSB

• Mineral Fiberboard