GBHS Chapter 2: Selecting and Identifying Materials
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Last updated over 5 years ago
10 questions
1
Softwood lumber used in millwork plants is classified as:
Softwood lumber used in millwork plants is classified as:
1
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.
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.
1
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:
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:
1
Composite board or composite panels are made up of a core of ____________________ wood with a thin veneer on either side.
Composite board or composite panels are made up of a core of ____________________ wood with a thin veneer on either side.
1
Hardboard is made from refined wood fibers held together with natural cement, called lignin. Hardwood is available in thicknesses up to:
Hardboard is made from refined wood fibers held together with natural cement, called lignin. Hardwood is available in thicknesses up to:
1
To provide for air circulation through a stack of lumber, pieces of wood are placed between each layer. These pieces of wood are called:
To provide for air circulation through a stack of lumber, pieces of wood are placed between each layer. These pieces of wood are called:
1
To avoid waste, hardwood lumber is seldom cut to any standard width and length. The abbreviation for this designation is?
To avoid waste, hardwood lumber is seldom cut to any standard width and length. The abbreviation for this designation is?
1
When listing lumber in metric sizes, the length is usually given in?
When listing lumber in metric sizes, the length is usually given in?
1
Particle board is made up of wood flakes, chips, and shavings bonded together with resins and adhesives.
Particle board is made up of wood flakes, chips, and shavings bonded together with resins and adhesives.
1
Hardwoods are broad leaf trees like oaks, maples, and birch.
Hardwoods are broad leaf trees like oaks, maples, and birch.