1. |
Generally, the grade of a piece of lumber is based on the number, character, and location of features that may lower the strength, durability, or utility value of the lumber.
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True |
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False |
2. |
The most common visual features are knots, checks, pitch pockets, shake and stain, some, of which are a natural part of the tree.
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True |
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False |
3. |
The principal use of hardwood lumber is for remanufacture into furniture, cabinetwork, and pallets, or direct use as flooring, paneling, moulding, and millwork.
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True |
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False |
4. |
Hardwood lumber is graded and marketed in three main categories: Factory lumber, dimension parts, and finished market products. |
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True |
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False |
5. |
Both Factory lumber and dimension parts are intended to serve the industrial customer. The important difference is that for Factory lumber, grades are based on use of the entire piece, whereas the grades for dimension parts reflect the proportion of a piece that can be cut into useful smaller pieces. |
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True |
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False |
6. |
The rules adopted by the National Hardwood Lumber Association are considered standard in grading hardwood lumber intended for cutting into smaller pieces to make furniture or other fabricated products.
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True |
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False |
7. |
The term "dimension parts" for hardwoods signifies stock that is processed in specific thickness, width, and length, or multiples thereof and ranges from semi-machined to completely machined component products.
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True |
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False |
8. |
What does MFMA stand for?
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Maple Flooring Manufacturers Association |
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Main Flooring Manufacturers Association
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Main Flooring Maple Association
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None of the above
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9. |
The names used by the trade to describe commercial lumber in the United States are always the same as the names of trees adopted as official by the USDA Forest Service. |
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True |
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False |
10. |
Softwood lumber grades can be classified into three major categories of use:
(a) Yard lumber, (b) Structural lumber, and (c) Factory and Shop lumber.
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True |
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False |
11. |
What does ALSC mean? |
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American Lumber Standard Committee |
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American Line Standard Committee |
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Associates Lumber Standard Committee |
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None of the above |
12. |
Softwood lumber is classified for market use by form of manufacture, species, and grade. For many products, the American Softwood Lumber Standard and the grading rules certified through it serve as a basic reference. |
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True |
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False |
13. |
The grading requirements of yard lumber are specifically related to the construction uses intended, and little or no further grading occurs once the piece leaves the sawmill.
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True |
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False |
14. |
What does figure 5-2 illustrate about?
(Refer Pg 5-8)
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Typical examples of softwood boards in the lower grades |
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Structural Shapes of Timber |
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Grading process |
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None of the above |
15. |
Common Lumber grades describe the characteristics used to segregate lumber to be used in structural glued-laminated (glulam) timbers.
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True |
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False |
16. |
The (Industrial Clears) grades are used for trim, cabinet stock, garage door stock, and other product components where excellent appearance, mechanical and physical proper- ties, and finishing characteristics are important.
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True |
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False |
17. |
What does NOFMA stand for?
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National Oak Flooring Manufacturers Association |
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National Oak Flooring Marketing Association |
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National Oak Flooring Management Association |
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None of the above |
18. |
Lumber that has been matched, ship lapped, or otherwise patterned, in addition to being surfaced, is often classified as "worked lumber." |
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True |
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False |
19. |
The small retail yards throughout the United States carry softwoods for construction purposes and often carry small stocks of one or two hardwoods in grades suitable for finishing or cabinetwork. |
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True |
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false |
20. |
Casing and base are standard items in the more important softwoods and are stocked in most yards in at least one species. |
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True |
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False |
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