Section 2
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
