Section 2

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The ___________ of a piece of lumber is its narrowest dimension.

Edge

______________ lumber is used for beams, headers, and rafters.

Engineered

Air drying is usually used for higher grades of hardwood lumber used for finish work.

False

Each layer of plywood consists of one or more piles.

False

Factors that determine the grade of lumber include the length and width of boards.

False

Finish nails are thicker than common nails.

False

Finish nails are used primarily for temporary construction.

False

Green lumber has a low moisture content.

False

Nails have a greater holding power than screws.

False

Stiffness is the primary factor in determining most grades of hardwood lumber.

False

Structural plywood panels are manufactured from hardwood.

False

The edge of a piece of lumber is its widest dimension.

False

Veneers are graded according to their stiffness.

False

__________ lumber is primarily used for structural load-bearing applications and is graded for it's strength.

Framing

Lumber with a(n) __________ Common grade is the most commonly used grade for bracing members of concrete forms, economical fencing, and crating.

4

A ________ is 1" thick, 12" wide, and 12" long. A. Board foot B. Panel board C. Gypsum board D. Lineal foot

A. Board foot

The main softwood end-use category is ______________ lumber. A. Framing B. Select C. Common D. Furniture

A. Framing

______________ lumber is an engineered lumber product composed of short pieces of dimension lumber joined end-to-end. A. Oriented strand B. Finger-jointed C. Parallel strand D. Laminated veneer

B. Finger-jointed

Two ____________ methods of drying lumber are kiln drying and air drying.

Seasoning

The glue bond of plywood improves as the ___________ content of the wood decreases. A. Cellulose B. Moisture C. Salt D. Sugar

B. Moisture

____________ is a method for cutting logs into lumber. A. Debarking B. Plainsawing C. Surfacing D. Warping

B. Plainsawing

_____________ diameters are identified by gauge members. A. Toggle bolt B. Wood screw C. Box nail D. Screw anchor

B. Wood screw

Over ________ % of the wood used for construction applications is softwood. A. 25 B. 50 C. 75 D. 90

C. 75

A _______________ is a common warpage shape of lumber. A. Split B. Knot C. Bow D. Wane

C. Bow

____________ are used to expand light-duty lead-alloy anchors. A. Staples B. Finish nails C. Screws D. Carriage bolts

C. Screws

Grades of hard panels are standard and _________________. A. Non-standard B. Non-tempered C. Service tempered D. Non-service

C. Service tempered

_______________ finish materials in most areas should have a moisture content between 6% and 12%.

Interior

_________________ provide an important structural function for glued floor systems by increasing the stiffness and strength of the floor unit.

Mastics

Most lumber is produced using the __________ method.

Plain cut

A widely used structural wood panel is _______________.

Plywood

___________-shank nails have a series of small rings along the shank, which help to resist removal from the wood.

Ring

Approximately 25% of total lumber production is hardwood.

True

Chromated Copper Arsenate (CCA) is a waterborne preservative that is no longer permitted to be used in residential and other consumer-related applications.

True

Engineered lumber is manufactured using solid wood members or veneers, wood strands and fibers, or a combination of solid wood members and wood strand members.

True

Lumber measurements are stated in the following order; thickness, width, length.

True

Lumber should have a moisture content compatible with the air that will surround it after it is installed.

True

Masonry nails are made with a special hardened steel.

True

Softwood and hardwood are the two main classes of trees.

True

The meter is the basic unit of linear measurement in the SI metric system.

True

Wood will not decay if the moisture content is below 20%.

True


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