GBHS Chapter 2: Selecting and Identifying Materials
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Last updated almost 6 years ago
10 questions
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Question 1
1.
Softwood lumber used in millwork plants is classified as:
Question 2
2.
Green lumber from a freshly cut log will have an excessive amount of moisture, most of which must be removed before it can be used. Kiln dried lumber will have a moisture content of __________ to __________ percent.
Question 3
3.
When hardwood logs are cut so the annular rings form an angle of more than 45 deg. with the surface of the boards, the lumber is called:
Question 4
4.
Composite board or composite panels are made up of a core of ____________________ wood with a thin veneer on either side.
Question 5
5.
Hardboard is made from refined wood fibers held together with natural cement, called lignin. Hardwood is available in thicknesses up to:
Question 6
6.
To provide for air circulation through a stack of lumber, pieces of wood are placed between each layer. These pieces of wood are called:
Question 7
7.
To avoid waste, hardwood lumber is seldom cut to any standard width and length. The abbreviation for this designation is?
Question 8
8.
When listing lumber in metric sizes, the length is usually given in?
Question 9
9.
Particle board is made up of wood flakes, chips, and shavings bonded together with resins and adhesives.
Question 10
10.
Hardwoods are broad leaf trees like oaks, maples, and birch.