Contractors Exam Questions And Answers
Verified 100% Correct
MDF panels should not be butted tightly and aligned with a recommended gap of
________? - ANSWER -1/16"
What angle does the valley rafter form with the main ridge board in a roof of
uniform pitch? - ANSWER -45 degrees
When surveying, 2 degrees of measurement would equal? - ANSWER -120
Minutes
Nail pops are greatly reduced if the moisture content of the framing is less than
____ at the time the drywall is installed? - ANSWER -19%
Subfloor plywood underlayment spacing is: - ANSWER -1/8" on ends and sides
What is the common thickness of load bearing walls - ANSWER -18G and 29G
What is the door hinge size for a 1 3/8" interior door? - ANSWER -3 1/2" x 3 1/2"
What is the minimum distance batter boards can be placed from the point of
excavation? - ANSWER -4'
What is the typical maximum distance between a gutter's high point and the
downspout? - ANSWER -25'
The ends of all ceiling joist must rest on no less than? - ANSWER -1.5" bearing
on wood framing, or 3" if bearing in masonry
What is the drying time of joint compound if the temperature is 80 degrees and the
relative humidity is 60%? - ANSWER -13.5 hours
When installing plywood soffit, nails should be installed how far apart? -
ANSWER -6" apart
, What type of wiring should be used in exposed locations where mechanical
damage might be expected? - ANSWER -BX
What is the actual size of 2X4 lumber? - ANSWER -1.5" X 3.5"
One square of 235 lb shingles will cover how many square feet? - ANSWER -100
sq feet
What is the difference in width of 2x6 nominal unseasoned framing lumber and
2x6 metal stud? - ANSWER -3/8"
A standard mortar joint in block construction is how wide? - ANSWER -3/8"
For roll roofing, roll paper endlaps should be offset by how many inches? -
ANSWER -6"
The standard height of an interior door is: - ANSWER -6' 8"
A third stair stringer should be installed when stairs exceed what width? -
ANSWER -2' 6"
How many 8X8X16 concrete blocks would be needed on a 800 square foot wall? -
ANSWER -880 blocks
How long should wood flooring be stored in the building in which it is going to be
installed to allow for proper acclimation? - ANSWER -4 days
How much mortar would be required for a 600 square feet wall using 8X8X16
concrete blocks? - ANSWER -19.5 cu ft
The typical exposure while using roll roofing is how many inches? - ANSWER -
17"
What is the minimum thickness OSB usually comes in? - ANSWER -3/8"
Collar ties should be installed on rafters not supporting a ceiling that are 16" OC
should have a collar tie installed on______? - ANSWER -Every fourth pair of
rafters