VA CBC Practice 2026 Question and Answer |
Updated Review from Previously Tested
Questions | Grade A+
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 -✓✓a. 6 inches
What effect will be adding water to concrete have on the slump?
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 -✓✓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 -✓✓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 -✓✓b. 3/8 inch
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 -✓✓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% -✓✓c. 20%
What can be done to increase the abrasion of concrete?
,a. Use a harder aggregate
b. Increase permeability -✓✓a. Use a harder aggregate
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% -✓✓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 -✓✓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
, d. More than 250 -✓✓b. Between 150 and 200
An efficient method of lowering the water table in an excavation on a level lot is to
a. Install trench boxes
b. Dig channels outside the excavation
c. Dig ditches inside the excavation
d. Install a wellpoint system -✓✓d. Install a wellpoint system
What is the MINIMUM clearance on the pull side of an accessible manual
swinging door when approaching from the front parallel of the doorway
a. 12 inches
b. 18 inches
c. 20 inches
d. 24 inches -✓✓b. 18 inches
How should the metal deck erector install the endlaps of a roof deck?
a. The endlap should have a minimum of 1/2 inch overlap.
b. The endlap should be tack welded.
c. The center of the endlap portion should occur over the support.
d. They should be arranged so that the ends of the lap are staggered over the
supports. -✓✓c. The center of the endlap portion should occur over the support.
Updated Review from Previously Tested
Questions | Grade A+
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 -✓✓a. 6 inches
What effect will be adding water to concrete have on the slump?
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 -✓✓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 -✓✓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 -✓✓b. 3/8 inch
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 -✓✓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% -✓✓c. 20%
What can be done to increase the abrasion of concrete?
,a. Use a harder aggregate
b. Increase permeability -✓✓a. Use a harder aggregate
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% -✓✓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 -✓✓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
, d. More than 250 -✓✓b. Between 150 and 200
An efficient method of lowering the water table in an excavation on a level lot is to
a. Install trench boxes
b. Dig channels outside the excavation
c. Dig ditches inside the excavation
d. Install a wellpoint system -✓✓d. Install a wellpoint system
What is the MINIMUM clearance on the pull side of an accessible manual
swinging door when approaching from the front parallel of the doorway
a. 12 inches
b. 18 inches
c. 20 inches
d. 24 inches -✓✓b. 18 inches
How should the metal deck erector install the endlaps of a roof deck?
a. The endlap should have a minimum of 1/2 inch overlap.
b. The endlap should be tack welded.
c. The center of the endlap portion should occur over the support.
d. They should be arranged so that the ends of the lap are staggered over the
supports. -✓✓c. The center of the endlap portion should occur over the support.
