VA CBC PRACTICE EXAM QUESTIONS
AND 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 -ANSc. 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 -ANSa. 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 -ANSa. 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 -ANSd. .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 -ANSb. 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 -ANSc. 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% -ANSc. 20%
What can be done to increase the abrasion of concrete?
a. Use a harder aggregate
b. Increase permeability -ANSa. 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% -ANSa. 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 -ANSc. 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 -ANSb. 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 -ANSd. 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 -ANSb. 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.
-ANSc. The center of the endlap portion should occur over the support.
What is the closest to the exposed ground that the bottom of wood girder can be
installed before they must be of a naturally durable material or be preservative-treated?
a. 8 inches
b. 12 inches
c. 16 inches
d. 18 inches -ANSb. 12 inches
Which of the following masonry joints is MOST effective for preventing damage from
freezing?
a. Concave
b. Extruded
c. Flush
d. Raked -ANSa. Concave
What is very efficient method of moving material short distances downgrade?
a. Tracked excavation
b. Slot dozing
c. Wheeled loading
d. Raked -ANSb. Slot dozing
The edges of lugs, brackets, rivets bolt heads attached to fire-protected structural
members may extend to within what distance from the fire protection surface?
, a. 1/2 inch
b. 1 inch
c. 1 1/2 inch
d 2 inches -ANSb. 1 inch
Foundation plates or sills shall be bolted to the foundation at MAXIMUM intervals of
a. 6 feet
b. 8 feet
c. 10 feet
d. 12 feet -ANSa. 6 feet
Twenty four-inch long, #2 taper-sawn wood shakes naturally durable wood installed on
a roof slope 4:12 or greater shall have a MAXIMUM exposure
a. 5 1/2 inches
b. 7 1/2 inches
c. 8 1/2 inches
d. 10 inches -ANSb. 7 1/2 inches
The MINIMUM height of a parapet wall used as a firewall is how far above the point
where the roof surface and the and the wall intersect?
a. 16 inches
b. 24 inches
c. 30 inches
d. 32 inches -ANSc. 30 inches
Welded wire reinforcement for concrete should be tapped to what MINIMUM distance?
a. One full wire grid spacing plus 2 inches.
b. Once full wire spacing.
c. Two full wire grid spacings.
d. 4 inches. -ANSa. One full wire grid spacing plus 2 inches.
What is the MINIMUM required platform capacity for roof deck.
a. 50 pounds per square foot.
b. 40 pounds per square foot.
c. 60 pounds per square foot.
d. 30 pounds per square foot. -ANSa. 50 pounds per square foot.
Inspection of high strength bolting for bearing type connections is
a. Performed by an approved special inspector on a periodic basis.
AND 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 -ANSc. 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 -ANSa. 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 -ANSa. 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 -ANSd. .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 -ANSb. 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 -ANSc. 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% -ANSc. 20%
What can be done to increase the abrasion of concrete?
a. Use a harder aggregate
b. Increase permeability -ANSa. 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% -ANSa. 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 -ANSc. 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 -ANSb. 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 -ANSd. 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 -ANSb. 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.
-ANSc. The center of the endlap portion should occur over the support.
What is the closest to the exposed ground that the bottom of wood girder can be
installed before they must be of a naturally durable material or be preservative-treated?
a. 8 inches
b. 12 inches
c. 16 inches
d. 18 inches -ANSb. 12 inches
Which of the following masonry joints is MOST effective for preventing damage from
freezing?
a. Concave
b. Extruded
c. Flush
d. Raked -ANSa. Concave
What is very efficient method of moving material short distances downgrade?
a. Tracked excavation
b. Slot dozing
c. Wheeled loading
d. Raked -ANSb. Slot dozing
The edges of lugs, brackets, rivets bolt heads attached to fire-protected structural
members may extend to within what distance from the fire protection surface?
, a. 1/2 inch
b. 1 inch
c. 1 1/2 inch
d 2 inches -ANSb. 1 inch
Foundation plates or sills shall be bolted to the foundation at MAXIMUM intervals of
a. 6 feet
b. 8 feet
c. 10 feet
d. 12 feet -ANSa. 6 feet
Twenty four-inch long, #2 taper-sawn wood shakes naturally durable wood installed on
a roof slope 4:12 or greater shall have a MAXIMUM exposure
a. 5 1/2 inches
b. 7 1/2 inches
c. 8 1/2 inches
d. 10 inches -ANSb. 7 1/2 inches
The MINIMUM height of a parapet wall used as a firewall is how far above the point
where the roof surface and the and the wall intersect?
a. 16 inches
b. 24 inches
c. 30 inches
d. 32 inches -ANSc. 30 inches
Welded wire reinforcement for concrete should be tapped to what MINIMUM distance?
a. One full wire grid spacing plus 2 inches.
b. Once full wire spacing.
c. Two full wire grid spacings.
d. 4 inches. -ANSa. One full wire grid spacing plus 2 inches.
What is the MINIMUM required platform capacity for roof deck.
a. 50 pounds per square foot.
b. 40 pounds per square foot.
c. 60 pounds per square foot.
d. 30 pounds per square foot. -ANSa. 50 pounds per square foot.
Inspection of high strength bolting for bearing type connections is
a. Performed by an approved special inspector on a periodic basis.
