Exam 4: Wood and Wood Products

____ letters are found in the grade stamp of veneered panels.

Hardwood comes from ____ trees that shed their leaves each year.

The long, narrow surface of a piece of lumber is called its ____.

Tree growth takes place in the cambium layer.

____ strand lumber has been engineered to replace large dimension lumber (beams, planks, and posts).

A method of cutting lumber, called ____-sawing, produces pieces in which the annular rings are at or almost at right angles to the wide surface.

The flanges of a wood I-beam may be made of laminated veneer lumber or specially selected ____-jointed solid wood lumber.

Green lumber should be used in construction.

A crown is an arc in along the length of a board.

With computers and laser-guided equipment, the ____ determines how to cut the log with as little waste as possible in the shortest amount of time to get the desired amount and kinds of lumber.

____ veneer lumber is intended for use as high-strength, load-carrying beams to support the weight of construction over window and door openings, and in floor and roof systems of residential and light commercial wood frame construction.

A defect in lumber is any fault that detracts from its appearance, function, or strength.

Laminated strand lumber (LSL) is commonly known by its brand name ____.

____ is a reconstituted wood panel made of wood flakes, chips, sawdust, and planer shavings.

Some of the softwoods may actually be harder than the hardwoods.

Glue-laminated lumber cannot be used for structural purposes.

Most plywood panels are made up of sheets of veneer (thin pieces) called ____.

A board foot is a measure of the ____ of lumber.

A ____ is bark on the edge of lumber or the surface from which the bark has fallen.

As the tree grows outward from the pith (center), the inner cells become inactive and turn into ____.