Construction Materials, Methods, And Techniques: C
Construction Materials, Methods, and Techniques: C
Exam (elaborations)
Construction Materials, Methods, and Techniques: Chapter 18 - 20 Review Questions
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Construction Materials, Methods, and Techniques: C
Institution
Construction Materials, Methods, And Techniques: C
Construction Materials, Methods, and Techniques: Chapter
18 - 20 Review Questions
How can you tell a coniferous tree from a deciduous tree? Coniferous trees have ___[1]__ and _____.
Deciduous trees have __[2]___. - bark, branches - cones and needles, leaves - fruits, flowers ️️cones and n...
Construction Materials, Methods, and Techniques: Chapter
18 - 20 Review Questions
How can you tell a coniferous tree from a deciduous tree? Coniferous trees have ___[1]__ and _____.
Deciduous trees have __[2]___.
- bark, branches
- cones and needles, leaves
- fruits, flowers ✔️✔️cones and needles, leaves
What natural defects are found in wood? _____, _____, _____, _____, _____, _____ and _____.
- breaks, rattles, nests, wetness and burns ✔️✔️knots, shake, wane, insect hole, warp, checks, stain
and honeycombing
What are two common ways wood is seasoned? __[1]___ and __[2]___
- air drying
- blow drying
- aging
- kiln drying ✔️✔️air drying, kiln drying
What is the recommended moisture content for wood used for framing? _____.
- 5% - 10%
- 10% - 15%
- 15% - 19%
- 19% - 25% ✔️✔️15% - 19%
, Why is surfaced green softwood lumber produced more than softwood lumber that is surfaced when
dry? When softwood lumber dries, _____.
- it cracks
- it warps
- It shrinks
- it expands ✔️✔️It shrinks
What standard is followed in the production of softwood lumber? PS 20-20 in the US & CSA 0141 in
Canada (T/F) ✔️✔️True
How many board feet are in a 2 in. x 10 in. x 12 ft piece of stock? _____
6 board feet
12 board feet
20 board feet
24 board feet ✔️✔️20 board feet
What is the volume of 250 pieces 38mm x 140mm x 3.66m? _____ m3
.0487m3
0487m3
4.87m3
48.7m3 ✔️✔️4.87m3
How does a contractor know lumber received on a job has been dried to a 15% moisture content? It will
have the grade stamp ____ on it.
MC-15
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