Building Materials, Fasteners & Adhesives
Why are roofing nails galvanized? _____.
To resist rusting
Which of the following is not an advantage of wood as a building material?
It is easily worked.
The term quarter-sawed means _____.
the lumber is cut with the growth rings at an angle greater than 45 degrees
How should steel framing members always be stored _____.
In a dry location
An engineered wood product that consists of wood particles combined with a binder and is formed into panels under heat and pressure is classified as _____.
particleboard
Softwood lumber is graded into how many major categories?
2
Concrete that has hardened but not yet gained structural strength, is referred to as _____.
green
Which of the following is avoided by using proper lifting techniques _____.
Back Injuries
Which of the following can be caused by wet concrete contacting the skin ______.
Chemical Burns
For what reason should care be taken in storing portland cement_____.
Moister Sensitive
What will fresh cut (green) lumber do as it dries _____.
Shrink.
How should stored carpentry materials be stacked ?
In the order it will be used
What should be done when lifting a carpentry object _____.
lift with your legs, not your back
Who defines lumber inspection criteria ?
The carpenter who's buying it.
to avoid costly damage to lumber and plywood, they must be _____.
properly stored and handled
How many board feet are there in forty 2" x 4" x 12' studs?
320
How many 4'8' sheets of plywood will be needed for a roof that measures 26'x48
39
A cubic yard of concrete contains how many cubic feet?
27
When cutting pressure treated lumber, what safety measure should be used_____.
Wear eye protection and a dusk mask
Which of the following core materials is most common in softwood plywood
Particle board
When driving wood screws in hardwood, it is usually necessary to _____.
drill a pilot hole
A bolt with an oval, unslotted head is called a _____.
carriage bolt
What is one common hazard while working with wood products?
Splinters
Which of the following grade designation represent the lowest quality plywood veneer_____.
D
Which grade of hardboard can be used in exterior applications?
Tempered