Materials & Methods Chapter 3

A nominal 2x6 is shown in cross section. The measured perimeter for dressed lumber is most nearly:

14 inches

Framing lumber is considered as seasoned when its moisture content is ____ percent or less.

19

Which sawing methods are used to produce 2X lumbers used in typical light wood frame construction

Flatsawn, plainsawn, quartersawn

Nails can be fabricated or finished to offer corrosion resistance. Which finish offers the best long-term resistance to corrosion?

Hot-dipped galvanized

Which of the following is a reason why large wood beams are usually glue-laminated today rather than sawn except:

Laminated beams are always quarter sliced

Scarf joints and finger joints are often used in:

Laminated wood (aka glulam)

Which of the following is a reason why structural wood panels (e.g. plywood, OSB, etc.) are used in lieu of boards for rough framing except:

Panels have a more pleasing grain pattern than solid wood boards do

Moisture content of wood is the:

Ratio of water in wood to its dry mass

Hoist hangers, rafter anchors, post caps, beam hangers, and framing anchors are often used to connect framing members in wood light frame construction. What material are they usually made of?

Sheet metal, a.k.a. light-gauge steel

LVL, PSL, and LSL are all types of:

Structural composite lumber products

The cracks or checks shown in the sketch result from _____ process.

Tangential shrinkage

If a piece of lumber is stamped S-DRY which of the following statements will be true?

The piece of lumber was surfaced when in a seasoned condition

Wood I-joists enjoy all these advantages over the conventional dimensional lumber when used as floor or roof joists except:

They are more fire resistant than conventional dimensional lumber

Seasoned (dried) lumber is stronger than unseasoned (green) lumber

True

What is the use category for pressure treated wood used for posts in fences & docks?

UC4A

Which of these species is usually used where decay resistance is crucial?

Western red cedar

Quartersawn wood is:

Also called flat-grain wood

Oriented strand board is often used

As wall sheathing

Trusses used for residential roofs are commonly made with:

Dimension lumber and toothed plates

Which one of the following exposure durability classifications for structural wood panels has the highest weather resistance?

Exterior