Deck 4: Wood and Wood Products

Question 1

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

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

Answer 1

C

Question 2

Glue-laminated lumber cannot be used for structural purposes.

Answer 2

False

Question 3

The type of joints in wood pieces actually shed water away.

Answer 3

True

Question 4

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 5

Green lumber should be used in construction.

Question 6

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 7

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

Question 8

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 9

Some hardwood is actually softer than some softwoods.

Question 10

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 11

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

Question 12

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

Question 13

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

Question 14

Tree growth takes place in the cambium layer.

Question 15

____ 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 16

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

Question 17

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

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

Question 18

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

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

Question 19

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

Question 20

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

Question 21

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

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

Question 22

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

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

Question 23

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

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

Question 24

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 25

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

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

Question 26

____ 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 27

____ 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 28

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 29

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

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

Question 30

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

A) Hardwood plywood
B) Hardboard
C) Particle board
D) Softboard