Exam 4: Wood and Wood Products

A 2x6-10' board has the same board feet as a 1x12-10'.

The nominal size and the actual size of surfaced lumber are not the same.

____ is the process of restacking lumber on small cross-sticks that allow air to circulate between the pieces.

The APA grade stamp provides information as to when the board was sawn.

Traditional lumber processes typically convert ____ percent of a log to structural solid lumber.

Lumber, when first cut from the log, is called green lumber and is very heavy because most of its weight is ____.

The Western Wood Products Association (WWPA) and the Northeast Lumber Manufacturers Association (NELMA) grade lumber in three categories: boards (under 2 inches thick), ____ (2 to 4 inches thick), and timbers (5 inches and thicker).

____ lumber is constructed of solid lumber glued together, side against side, to make beams and joists of large dimensions that are stronger than natural wood of the same size.

Engineered lumber products consume less wood and can be made from smaller trees than traditional lumber.

The ____ rating in the grade stamp on APA-rated sheathing appears as two numbers separated by a slash, such as 32 / 16 or 48 / 24.