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By which method, the age of the tree can be identified ?

Carbong age
Dendrochronology
Carbon Dating
Nicro-age-date


Radiocarbon dating (or simply carbon dating) is a radiometric dating technique that uses the decay of carbon-14 (14 C) to estimate the age of organic materials, such as wood

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_________ are a medium-sized solid material made by cutting, or chipping, larger pieces of wood.

Wood pieces
Wood chips
Pellet fuel
Wood pulp


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Wood that has been washed onto a shore or beach of a sea, lake, or river by the action of winds, tides or waves is called ?

Driftwood
Lumber
Pulpwood
Plywood


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What is the estimation of tree growth per year ?

10 billion tonnes
20 billion tonnes
30 billion tonnes
40 billion tonnes


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Latewood of a growth ring is usually ___________ than the earlywood.

Heavier in weight
Darker in color
Less in number
Lighter in weight


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Wood is made up of the following materials ?

Heterogeneous
Hygroscopic
Cellular
All of the above


Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It is composed of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).

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ELM wood was used in boat making because of

it resists decay
it''s light weight
its good texture
its flexibility


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A _______ is a facility where logs are cut into lumber or timber.

Saw mill
Carding mill
Grist mill
Textile mill


Sawmills were the most common kind of mills found in most 19th-century New England towns. America boasted over 31,000 sawmills by 1840. Most were owned and operated by farmers of above-average means, who often ran them seasonally, as water levels and the demands of their farm work permitted.

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What is sometimes called the original engineered wood product ?

Glued laminated timber
Plywood
Laminated veneer lumber
Oriented strand board


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What is a versatile multi-layered panel made of lumber ?

Finger-jointed lumber
Laminated strand lumber
Parallel strand lumber
Cross-Laminated Timber


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