Building materials Fastener and Adhesives
The type of adhesive that is applied with a dual-chamber applicator is
Epoxy
Heavy-gauge framing members are manufactured from
20-gauge steel
A cubic yard of concrete contains how many cubic feet?
27
How many board feet are there in forty 2" x 4" x 12' studs?
320
How many 4' x 8' sheets of plywood will be needed for a roof that measures 26' x 48'?
39
Use the chart provided to determine the length of a 20-penny nail.
4"
In 2010, the percentage of construction worker deaths resulting from the "Fatal Four" was _____.
57%
What fastener needs to be installed prior to concrete placement?
Anchor bolt
The type of anchor that has a cutting sleeve, which is used first as a drill bit and later becomes the expandable anchor itself is a(n)
Self-drilling anchor
Which grade of hardboard can be used in exterior applications?
Tempered
What type of engineered lumber product is shown in the image?
Wood I-beams
Concrete that has hardened but not yet gained structural strength, is referred to
green
Which of the following is not recommended when cutting pressure-treated lumber?
Burn any scrap pieces
A bolt with an oval, unslotted head is called a
Carriage bolt
The abbreviation CMU stands for
Concrete masonry unit
A nail that is rectangular in cross section and has a blunt point is called a
Cut nail
Which of the following is not an advantage of wood as a building material?
It is immune to damage from insects and weather
Which of these types of engineered lumber would be more likely to be used for mill work than as support beams? •
LSL
When lifting an object,
Lift with your legs, not your back
Wood fibers are bound together by a substance called
Lignin
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
Which of these core materials is most common in softwood plywood?
Particleboard
To avoid costly damage to lumber and plywood, they must be
Properly stored and handles
The ultimate responsibility for workplace safety
Rests with you
The term quarter-sawed means
The lumber is cut with the growth rings at an angle greater than 45 degrees
Which of the following statements about work gloves is not true?
The size of the gloves does not matter.
Which of the following statements about roofing panel nails is not true?
They are shorter and thicker than common roofing nails
The anchor shown is called a(n)
Toggle bolt
Light framing lumber is classified as
dimension lumber
When driving wood screws in hardwood, it is usually necessary to.
drill a pilot hole