VA CBC Practice Exam |Actual Questions
And Well Defined Answers
What should a leading-edge worker do when aligning the side lap?
a. He should tighten his fail protection
b. He should tack weld the side laps
c. He should kneel
d. He should use set screws - correct-answer -c. He should kneel
For polyurethane used as a moisture barrier beneath a concrete slab, the joists
shall be lapped a MINIMUM of
a. 6 inches
b. 5 inches
c. 4 inches
d. 2 inches - correct-answer -a. 6 inches
What effect will be adding water to concrete have on the slump?
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a. It will increase the slump
b. It will decrease the slump
c. It will have no effect on the slump
d. It depends on the temperature - correct-answer -a. It will increase the slump
Valley flashing for slate roofs shall be a MINIMUM of
a. 26-gage galvanized steel 24 inches wide
b. 20-gage galvanized steel 20 inches wide
c. .0800 inch aluminum 15-inches wide
d. .01719 inch zinc coated G90 15-inches wide - correct-answer -d. .01719 inch
zinc coated G90 15-inches wide
When figuring nominal dimensions on new construction, what is the intended size
of the mortar joint for concrete masonry unit
a. 1/4 inch
b. 3/8 inch
c. 1/2 inch
d. 5/8 inch - correct-answer -b. 3/8 inch
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Which stud would most likely be used to frame bearing exterior wall?
a. 25-gauge C studs
b. 20-gauge corrugated studs
c. Studs with stiffened flanges
d. 22-gauge perforated web stubs - correct-answer -c. Studs with stiffened flanges
The contour lines on a drawing show elevation of 120 feet and 130 feet. The
contour lines are 50 feet apart. What is the grade of the ground between these
two counter lines?
a. 10%
b. 15%
c. 20%
d. 25% - correct-answer -c. 20%
What can be done to increase the abrasion of concrete?
a. Use a harder aggregate
b. Increase permeability - correct-answer -a. Use a harder aggregate
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The MAXIMUM moisture content for pressure treated wood to be used where air
drying in use CANNOT occur should be
a. Not greater than 19%
b. Less than or equal to 11%
c. At least 10%
d. Between 9% and 22% - correct-answer -a. Not greater than 19%
If a foundation drain is required, then the top of the drain shall not be less than
how many inches above the top of the footing?
a. 2
b. 4
c. 6
d. 8 - correct-answer -c. 6
How many 8 x 8 x 16 concrete masonry units will be REQUIRED for one course of
224-foot long wall?
a. Less than 150
b. Between 150 and 200
c. Between 201 and 250