Deck 4: Wood and Wood Products

Question 1

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 1

B

Question 2

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

Answer 2

True

Question 3

Tree growth takes place in the cambium layer.

Answer 3

True

Question 4

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

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

Question 5

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

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

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

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 8

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 9

____ 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 10

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

Question 11

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

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

Question 12

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

Question 13

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 14

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

Question 15

Glue-laminated lumber cannot be used for structural purposes.

Question 16

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 17

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

Question 18

Some hardwood is actually softer than some softwoods.

Question 19

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

Question 20

Green lumber should be used in construction.

Question 21

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 22

____ 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 23

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

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

Question 24

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

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

Question 25

____ 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 26

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

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

Question 27

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 28

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

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

Question 29

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

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

Question 30

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

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