Wood

Question 1

Fibrous substance which composes the trunk and branches of a tree that lies between the pitch and the bark. The lignified water conduction, strengthening, and storage tissues of branches, stem, and roots of trees. Known as Xylem.

Answer 1

Wood

Question 2

Examples of wood that are of strong materials

Answer 2

oak, kamagong, dau

Question 3

Examples of wood that are durable

Answer 3

teak, mahogany, oak

Question 4

Examples of wood that are light

Answer 4

pine, balsa

Question 5

Used as shuttering material to form the mold into which concrete is poured during reinforced concrete construction

Answer 5

Wood

Question 6

approximate year indicators when Oak was most used in furniture

Answer 6

1600-1750

Question 7

approximate year indicators when Mahogany was most used in furniture

Answer 7

1675-1730

Question 8

approximate year indicators when Satinwood was most used in furniture

Answer 8

1835-present

Question 9

approximate year indicators when Rosewood was most used in furniture

Answer 9

1780-1800

Question 10

Comes from conifers (evergreen) which have needles instead of leaves

Answer 10

Softwood

Question 11

Come from broad-leafed or deciduous trees/ Most Philippine timber are of this kind.

Answer 11

Hardwood

Question 12

softer, younger , outer portion of a tree that lies between the cambium and the heartwood. Permeable, less durable, and lighter in color.

Answer 12

Sap wood

Question 13

older, harder, central portion of a tree. Usually contains deposits of various materials that frequently gives its darker color than sap. Its denser, less permeable, and more durable.

Answer 13

Heart wood

Question 14

Present in a growing tree like grain irregularity, shakes, and knots. Some are present when the wood is produced and others develop or become more severe as the wood ages.

Answer 14

Natural Defects

Question 15

Caused by careless handling, incorrect conversion, and seasoning techniques/inadequate protection of timber.

Answer 15

Artificial Defects

Question 16

Cause by the attack of fungi

Answer 16

Decay

Question 17

cracks or lengthwise separation across the annual rings of growth caused by irregular shrinkage during drying

Answer 17

Checks

Question 18

Cracks between and parallel to the annual rings of growth

Answer 18

Shakes

Question 19

Irregular growths in the body of a tree which interrupt the smooth curve of the grain.

Answer 19

Knots

Question 20

these are well defined openings between annual rings containing solid or liquid pitch.

Answer 20

Pitchpocket

Question 21

the lack of wood on the edge or corner of a piece.

Answer 21

Wane

Question 22

variations with the plane surface of the piece caused by unusual shrinkage of the board.

Answer 22

Warping

Question 23

a bend where the long edge curves inward or outward.

Answer 23

Crook

Question 24

where the curves inward or outward along its length.

Answer 24

bow

Question 25

curves inward or outward along its width.

Answer 25

Cup

Question 26

refers to the lumber cut tangent to the rings at an angle of 0 to 45 degrees

Answer 26

Plain Sawn

Question 27

radial wood cut to the rings with an angle of 45 to 90 degrees angle.

Answer 27

Quarter Sawn

Question 28

refers to the woodcut at a 30 to 60 degrees angle to the center of the timber.

Answer 28

Rift sawn

Question 29

processed wood for furniture making, home construction, and the like. Manufactured by re-sawing, passing through a planing machine.

Answer 29

Lumber

Question 30

refers to unprocessed wood such as un-harvested trees still with their bark. Suitable for building material.

Answer 30

Timber

Question 31

that is sawn, edged, and trimmed but not surfaced. Cut out of logs into different shapes and sizes.

Answer 31

Rough Lumber

Question 32

surfaced with planing machine to attain smooth surface and uniform size.

Answer 32

Dressed Lumber

Question 33

means “surfaced two sides” dressed lumber smooth on two sides.

Answer 33

s2s

Question 34

surfaced on four sides

Answer 34

s4s

Question 35

the process of removing the moisture content from green wood so as to make it useful for construction and other uses

Answer 35

Seasoning

Question 36

defined as the weight of the water in damp material

Answer 36

Moisture content

Question 37

considered as one of the best methods adopted in seasoning of lumber although the period involved is relatively longer than the artificial seasoning.

Answer 37

Natural or air drying

Question 38

when the lumber is stacked inside the drying kiln and then subjected to steam to hot air under pressure.

Answer 38

artificial seasoning

Question 39

the lumber is dried in a specifically-built room or chamber wherein temperature and humidity as well as the circulation of hot air is controlled.

Answer 39

kiln drying

Question 40

used to forestall attack of decay, fungi, harmful insects, and marine borers.

Answer 40

wood preservatives

Question 41

creosote, pentachlorophenol, copper naphthenate, oxine copper and IPBC

Answer 41

oil-type wood preservatives

Question 42

providing protection against wood decaying fungi, blue stain, insects, and humidity. it penetrates deep into wood without building a barrier.

Answer 42

Water borne wood preservative

Question 43

a unit of volume for timber equal to 144 cubic inches, notionally twelve inches by twelve inches by on inch. Where the formula is thickness x W x L

Answer 43

Board foot

Question 44

it is unknown in the language of lumber in terms of length

Answer 44

Odd numbers

Question 45

a piece of wood for resawing into smaller pieces.

Answer 45

Flitch

Question 46

Countries national symbols; its sturdiness is likened to the Filipinos’ unwavering spirit. Makes a durable base for furniture pieces, and etc.

Answer 46

Narra

Question 47

hardest types of wood known as “iron wood” also known for its dark color.

Answer 47

Kamagong

Question 48

tree used for construction purposes like flooring and paneling. “Withstand the effects of weathering and insects”

Answer 48

Philippine teak

Question 49

the practice of using any component removed from a building that is scheduled for or is undergoing demolition or renovation for the purpose of reinstallation in or on building.

Answer 49

Architectural salvage

Question 50

the process of converting waste materials into new materials and objects. To treat or process so as to make suitable for reuse.

Answer 50

recycling

Question 51

copy of another work of art. it could be a copy of painting, drawing, or of an original piece. there is no creative process involved.

Answer 51

Reproduction