VA CBC PRACTICE EXAM QUESTIONS
& ANSWERS ALL PASSED ALREADY
GRADED A+
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?
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
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
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
d. More than 250 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔b. 18 inches
Which of the following masonry joints is MOST effective for preventing damage from freezing?
a. Concave
b. Extruded
& ANSWERS ALL PASSED ALREADY
GRADED A+
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?
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
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
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
d. More than 250 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔b. 18 inches
Which of the following masonry joints is MOST effective for preventing damage from freezing?
a. Concave
b. Extruded
