Deck 4: Wood and Wood Products

Question 1

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

Answer 1

False

Question 2

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.

A) quarter
B) plain
C) slash
D) rift

Answer 2

A

Question 3

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

A) sapwood
B) heartwood
C) softwood
D) redwood

Answer 3

B

Question 4

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

A) side
B) end
C) edge
D) width

Question 5

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).

A) character
B) select
C) dimension
D) clear

Question 6

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

Question 7

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

A) warp
B) knot
C) pitch pocket
D) wane

Question 8

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

A) Aerating
B) Sticking
C) Layering
D) Piling

Question 9

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

Question 10

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

Question 11

Green lumber should be used in construction.

Question 12

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

Question 13

Glue-laminated lumber cannot be used for structural purposes.

Question 14

Tree growth takes place in the cambium layer.

Question 15

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

Question 16

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

Question 17

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

A) lignin
B) water
C) cellulose
D) heartwood

Question 18

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

A) surface area
B) volume
C) thickness
D) length

Question 19

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

A) coniferous
B) evergreen
C) perennial
D) deciduous

Question 20

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.

A) cartwright
B) lumberjack
C) logger
D) sawyer

Question 21

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

A) Hardwood plywood
B) Hardboard
C) Particleboard
D) Softboard

Question 22

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

A) Two
B) Three
C) Four
D) Five

Question 23

____ 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) Hardwood
B) Laminated
C) Oriental
D) Fibrous

Question 24

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.

A) performance
B) span
C) exposure durability
D) strength

Question 25

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

A) 40
B) 60
C) 75
D) 90

Question 26

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

A) double
B) finger
C) reciprocally
D) toe

Question 27

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

A) coatings
B) laminates
C) corrugations
D) plies

Question 28

____ 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.

A) Glue-laminated
B) Pressure treated
C) Tempered
D) Compacted

Question 29

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

A) Transverse
B) Lateral
C) Parallel
D) Cross

Question 30

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

A) Parallam
B) Glulam
C) FlexLam
D) TimberStrand