Lumber

Question 1

Is that fibrous substance which composes the trunk and branches of the tree that lies between the pith and the bark

Answer 1

wood

Question 2

is the term applied to wood when it’s sad or split into timbers, planks, and boards

Answer 2

lumber

Question 3

lumber is classified by its degree of manufacture

Answer 3

1. rough lumber
2. surface or dress lumber
3. work lumber
4. shop lumber
5. yard lumber
6. dimensioned lumber
7. structural lumber
8. slab
9. timber
10. plank
11. board
12. sheet
13. flitch

Question 4

is as it comes from the saw it is the term applied to unplanned or undressed lumber

Answer 4

rough lumber

Question 5

has at least one smooth side as it comes from the planer

Answer 5

smooth lumber

Question 6

is mild to the molder to a specified edge

Answer 6

worked lumber

Question 7

is less than 5 inches thickness and includes strips, boards, and framing members

Answer 7

yard lumber

Question 8

is a yard lumber which is 2 inch or 5 inch in thick

Answer 8

dimensioned lumber

Question 9

is similar to yard lumber but is over 5 in in thickness and in width

Answer 9

structural lumber

Question 10

a piece of lumber cut tangent to the annual rings, running the full length of the lag and containing one flat surface

Answer 10

slab

Question 11

a piece of lumber more than 5 inches in its smallest dimension

Answer 11

timber

Question 12

a white piece of lumber ranging from 1 1/2 inches to 5 inches in thickness

Answer 12

plank

Question 13

a piece of lumber less than 1 1/2 inches thick and 4 in or more in width

Answer 13

Board

Question 14

a term applied to a piece of veneer, plywood, or other manufactured board

Answer 14

sheet

Question 15

a thick piece of lumber or log which is to be cut into veneer

Answer 15

flitch

Question 16

classification of food

Answer 16

1. mode of growth
2. density
3. leaves
4. shade or color
5. grain
6. nature of the surface when sawed

Question 17

two types of mode of growth

Answer 17

1. exogenous
2. endogenous

Question 18

density of a wood is either

Answer 18

1. soft
2. hard

Question 19

the leaves of the tree is either

Answer 19

1. needle shape
2. broad shape

Question 20

shade or color of wood

Answer 20

1. white
2. yellow
3. red
4. brown
5. black

Question 21

grain of wood

Answer 21

1. straight
2. cross
3. fine
4. coarse

Question 22

nature of the wood when sawed

Answer 22

1. plain
2. grained
3. figured or mark

Question 23

methods of sawing log

Answer 23

1. lagging
2. lumbering
3. sawing

Question 24

is the process or operation from cutting trees, hauling, and delivering of food to the saw meal for sawing

Answer 24

logging

Question 25

is the term applied to the operations performed in preparing the wood for commercial purposes

Answer 25

lumbering

Question 26

is the process of cutting logs into commercial sizes of lumber

Answer 26

sawing

Question 27

methods and manner of log sawing are:

Answer 27

1. plane or bastard sawing 2. quarter or rift sawing (radial, tangential, quarter tangential, combined radial and tangential)

Question 28

are irregularities found in wood

Answer 28

defects in wood

Question 29

classification of defects in wood

Answer 29

1. natural defects 2. seasoning defects 3. due to deterioration

Question 30

types of natural defects

Answer 30

1. heart shake 2. wind shakes or cup shakes 3. star shakes 4. knots

Question 31

this is caused by faultly techniques of seasoning

Answer 31

seasoning defects

Question 32

types of seasoning defects

Answer 32

1. warping (cupping, bow, twist) 2. check 3. split 4. wane 5. crook

Question 33

due to deterioration

Answer 33

1. dry rot 2.:wet rot

Question 34

is the controlled process of reducing moisture content of the timber or lumber so that it is suitable for the environment and intended use

Answer 34

seasoning

Question 35

methods of seasoning lumbers are

Answer 35

1. natural or air seasoning 2. artificial seasoning

Question 36

is the method used with the timbers or numbers stuck in the open air

Answer 36

natural or air seasoning

Question 37

is a process where in lumber is stuck in a drying kilm and then exposed to steam and hot air

Answer 37

artificial seasoning

Question 38

artificial seasoning methods employed are:

Answer 38

1. forced air drying 2. kiln air drying 3. radio frequency dielectric drying

Question 39

is the process of accelerating seasoning or achieving faster and more uniform pre-drying prior to kiln drying

Answer 39

forced air drying

Question 40

it differs from air drying in the sense that the process is speeding by control of the temperature and humidity as well as the circulation of air in a special built room or chamber

Answer 40

kiln air drying

Question 41

when the electronic disturbance occur the innermost molecules begin moving

Answer 41

radio frequency dielectric drying

Question 42

two processes of preserving wood

Answer 42

1. external 2. internal

Question 43

is to compel additive synthetics profound into the cell construction of the wood

Answer 43

pressure-treated wood