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NAME:__________________________________________________ Section:______________

1. It is a hard, fibrous structural tissue found in the stems and roots of trees and other woody

plants.

a.Growth rings c. Woodb. Knots d. Glulam

2. It is a particular type of imperfection in a piece of wood; it will affect the technical

properties of the wood, usually for the worse, but may be exploited for visual effect.a. Growth rings c. Shrinkage

b. Knots d. Creep

3. ____________ of wood often denotes a diseased condition, indicating unsoundness.

a. Drying c. Shrinkageb. Seasoning d. Abnormal discoloration

4. Water occurs in living wood in three conditions, namely:

a. in the cell walls, as free water in the cell cavities and space, and at the fiber saturationof wood

b. in the cell walls, in the protoplasmic contents of the cells, and at the fiber saturation ofwood

c. in the protoplasmic contents of the cells, as free water in the cell cavities and space and at

the fiber saturation of woodd. in the cell walls, in the protoplasmic contents of the cells, and as free water in the cell

cavities and space5. It is the ratio of the density of a substance to the density (mass of the same unit volume)

of a reference substance.a. Specific Gravity c. Density

b.

Water content d. Moisture content6. ________ is readily produced in curved shapes and it is available in a range of speciesand appearance characteristics to meet varied end-use requirements.

a. plywood c. hardboard

b. glulam d. particleboard7. These are extra strong plywood planks that are glued together with an adhesive that holds

the layers firmly.

a. exterior plywood c. structural plywood

b. interior plywood d. marine plywood8. This kind of plywood is fabricated with a superior glue that is bonded tightly and resistant

to water.

a. exterior plywood c. structural plywoodb. interior plywood d. marine plywood

9. It is a wood product made from strands or flakes of wood that have been compressed and

glued together to form a strong wooden sheet or panel.a. Oriented strand board panel c. Hardboard

b. Medium density fiber board d. Particleboard

10. _________ is a manufactured wood panel made from thin sheets of wood veneer.

a.plywood c. hardboard

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b. glulam d. none of the above

11. Wood axis that is perpendicular to the grain but tangent to the growth rings.

a. Radial c. Longitudinalb. tangential d. NOTA

12. Ability to absorb shock with some permanent deformation and more or less injury to a

specimen.a. Work to maximum load in bending c. hardness

b. modulus of rupture d. NOTA

13. Generally defined as resistance to indentation using a modified Janka hardness test,measured by the load required to embed a 11.28-mm (0.444-in.) ball to one-half its diameter.

a. Work to maximum load in bending c. hardness

b. modulus of rupture d. NOTA

14. Reflects the maximum load carrying capacity of a member in bending and is proportionalto maximum moment borne by the specimen

a. Work to maximum load in bending c. hardnessb. modulus of rupture d. NOTA

15. Angle that the grain makes to the long axis of a structural member.a. Tangential slope of grain c. slope of grain

b. radial slope of grain d. NOTA16. The shrinkage of a piece of wood is proportional to the amount of moisture lost below the

fiber saturation point, or atleast how many percent of moisture content?

a. 15% c. 25%b. interior plywood d. 30%

17. The moisture content at which the fiber cavities are empty but the walls are still saturated,

this condition is known as _____________.

a. fiber moisture point c. fiber shrinkage pointb. fiber saturation point d. fiber seasoned point

18. _________ is ordinarily understood to mean drying.

a. seasoning c. shrinkageb. treatment d. durability

19. It is the primary method of wood treatment currently prevail.

a. creosote pressure-seasoned woodb. pentachlorophenol-seasoned wood

c. inorganic arsenical pressure-treated wood

d. organic arsenical pressure-treated wood

20. _________ is the most effective seasoning without doubt that obtained by the uniform,slow drying which takes place in properly constructed piles outdoors under exposure of

sun.air seasoning wood normally _________ as it dries and __________ as it absorbs

moisture.a. swells and shrinks c. expands and compress

b. shrinks and swells d. compress and expands

21. This type of lumber is a good choice for shelving.

a. Utility c. Select Structural

b. No. 2 Common d. No. 3 Common

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22. Method of fitting similar objects together, edge to edge.

a. Tongue and Grove c. Furring

b. Shiplap d. Glue Laminate

23.It is a type of wooden board used commonly in the construction of barns, sheds,

outbuildings and inexpensive or seasonal homes.

a. Tongue and Grove c. Furring

b. Shiplap d. Glue Laminate

24. These are printed on lumber produced in North America.

a. Lumber grade c. grade stamp

b. lumber type d. mill identification number

25. This kind of lumber is extremely high-quality, and is divided into grades 1-3 and A-D.

Lower grades are distinguishable because they have more knots.

a. Utility c. Select Structural

b. No. 2 Common d. No. 3 Common