AZ B3 construc on Ques ons and answers | Updated
RATED A+ | 2026
What is the minimum size for a mortar joint for a concrete block on a founda on?
1/4 inch
Exterior gypsum sheathing fasteners should be spaced _____ apart.
7 Inches
An extension ladder is leaned against a ver cal wall at a point that is 20 feet above grade; the
base of the ladder shall be located what minimum distance from the wall?
5 feet
When installing 3 tab asphalt strip shingles in severe climates, on a roof slope of 5/12 the
approved ice protec on membrane should extend from the roof eave to a minimum of _____
inches inside the exterior wall. (this applies to roofs 4/12 and greater)
24
What type of connec on should be used when an I-joist and a beam meet?
Joist Hanger
A material not recommended to separate polystyrene and built-up roofing is _____.
non-ven ng base ply
When floor joists are supported by masonry walls, the joists shall have a minimum bearing
distance on each end of _____ inches.
3
What type of door has s les, rails and raised panels?
Raised panel door
What is the material used to make Vinyl flooring?
PVC (Polyvinyl Chloride)
,Refer to the illustra on of a 2 story house w/lap siding plans, (complete set of plans at the test
center), How many cubic yards of concrete is needed for the floor slab less the garage and
fireplace areas?
18.11 cubic yards
What is the maximum spacing of ceiling joists in a shower with 5/8 inch water-resistance
gypsum board with le a9ached using adhesive?
16 inches
An area where empty drums that have held flammable or hazardous product are being welded
or cut can include all of the following except:
oxygen used for cooling barrels and blowing dust from clothing
What should be used to fasten cement board to a wood framed subfloor?
galvanized nails or screws
The "Total Run" of a stairway is _____.
The sum of the tread run
Which of the following classes of asphalt shingles would have the best fire ra ng?
Class A
On a Airless paint sprayer, what is responsible for the pa9ern of the paint?
Orifice
The slope ra o of a handicap accessible ramp shall be a maximum of _____.
1 foot in 12 feet
5/8 inch wood sheathing installed on a steel framed roof requires what type and size screws?
No. 8 self-tapping
The _____ is the lowest member of a wood floor construc on and a9aches to the founda on
wall using anchor bolts
sill
A masonry wall that shows signs of high alkalinity needs to be painted. What type of paint
should be used?
alkalyd resistant paint
,Which of the following can be used as backfill outside a founda on without being compacted?
Controlled low strength material
What is not allowed to be done to planks for scaffolding?
Oil base paint or sealant
What is the proper way to a9ach base shoe molding on a hardwood floor?
Nail it to the baseboard only
What is the ideal size of head and bed joints in masonry construc on?
3/8 inch
What is the spacing required if using 1-1/4 inch screws to hang drywall on studs that are 24
inches on center?
12 inches
When installing unfaced ba9 insula on , how is it secured?
pressure fit
On scaffolding, what is the minimum width that plaBorms or walkways can be before fall
protec on is required?
18 inches
How much can be notched from a load bearing stud without compromising it's structural
integrity?
25%
According to code, the minimum thickness of a concrete slab that is supported directly on the
ground shall be _____ inches.
3.5
The top and bo9om horizontal member of a truss is called?
Chord
A lot shall be graded to drain surface water away from founda on walls for a minimum of _____
feet.
10
, What is the standard size of an interior door?
6'8"
A maximum allowable bedjoint thickness between masonry units is ______ inch.
3/4
Refer to the illustra on of a 2 story house w/lap siding plans, (complete set of plans at the test
center), How many cubic yards of concrete would be required for the footer only?
10 to 12 cubic yards
Concrete Spread foo ng projec ons shall be at least _____ and shall not exceed the thickness of
the foo ngs.
2 inches
What is the maximum allowable spacing between fire blocking in a concealed wall?
10 feet
A _____ is a system component that receives inputs from automa c and manual fire alarm
devices and may be capable of supplying power to detec on devices and transponders or off-
premises transmi9ers.
Fire Alarm Control Unit
Tracks for structural steel framing shall have a minimum flange width of:
1-1/4 inches
Which of the following is the best tool to trim drywall around an electrical outlet:
router
What is the frame around a door called?
Jamb
At what stage of the construc on process would the builder cut out the sole plate in a door
opening?
aHer the wall has been erected and braced
According to the code, the minimum width of at least one egress (exterior) door serving a
residence is _____ inches.
32
RATED A+ | 2026
What is the minimum size for a mortar joint for a concrete block on a founda on?
1/4 inch
Exterior gypsum sheathing fasteners should be spaced _____ apart.
7 Inches
An extension ladder is leaned against a ver cal wall at a point that is 20 feet above grade; the
base of the ladder shall be located what minimum distance from the wall?
5 feet
When installing 3 tab asphalt strip shingles in severe climates, on a roof slope of 5/12 the
approved ice protec on membrane should extend from the roof eave to a minimum of _____
inches inside the exterior wall. (this applies to roofs 4/12 and greater)
24
What type of connec on should be used when an I-joist and a beam meet?
Joist Hanger
A material not recommended to separate polystyrene and built-up roofing is _____.
non-ven ng base ply
When floor joists are supported by masonry walls, the joists shall have a minimum bearing
distance on each end of _____ inches.
3
What type of door has s les, rails and raised panels?
Raised panel door
What is the material used to make Vinyl flooring?
PVC (Polyvinyl Chloride)
,Refer to the illustra on of a 2 story house w/lap siding plans, (complete set of plans at the test
center), How many cubic yards of concrete is needed for the floor slab less the garage and
fireplace areas?
18.11 cubic yards
What is the maximum spacing of ceiling joists in a shower with 5/8 inch water-resistance
gypsum board with le a9ached using adhesive?
16 inches
An area where empty drums that have held flammable or hazardous product are being welded
or cut can include all of the following except:
oxygen used for cooling barrels and blowing dust from clothing
What should be used to fasten cement board to a wood framed subfloor?
galvanized nails or screws
The "Total Run" of a stairway is _____.
The sum of the tread run
Which of the following classes of asphalt shingles would have the best fire ra ng?
Class A
On a Airless paint sprayer, what is responsible for the pa9ern of the paint?
Orifice
The slope ra o of a handicap accessible ramp shall be a maximum of _____.
1 foot in 12 feet
5/8 inch wood sheathing installed on a steel framed roof requires what type and size screws?
No. 8 self-tapping
The _____ is the lowest member of a wood floor construc on and a9aches to the founda on
wall using anchor bolts
sill
A masonry wall that shows signs of high alkalinity needs to be painted. What type of paint
should be used?
alkalyd resistant paint
,Which of the following can be used as backfill outside a founda on without being compacted?
Controlled low strength material
What is not allowed to be done to planks for scaffolding?
Oil base paint or sealant
What is the proper way to a9ach base shoe molding on a hardwood floor?
Nail it to the baseboard only
What is the ideal size of head and bed joints in masonry construc on?
3/8 inch
What is the spacing required if using 1-1/4 inch screws to hang drywall on studs that are 24
inches on center?
12 inches
When installing unfaced ba9 insula on , how is it secured?
pressure fit
On scaffolding, what is the minimum width that plaBorms or walkways can be before fall
protec on is required?
18 inches
How much can be notched from a load bearing stud without compromising it's structural
integrity?
25%
According to code, the minimum thickness of a concrete slab that is supported directly on the
ground shall be _____ inches.
3.5
The top and bo9om horizontal member of a truss is called?
Chord
A lot shall be graded to drain surface water away from founda on walls for a minimum of _____
feet.
10
, What is the standard size of an interior door?
6'8"
A maximum allowable bedjoint thickness between masonry units is ______ inch.
3/4
Refer to the illustra on of a 2 story house w/lap siding plans, (complete set of plans at the test
center), How many cubic yards of concrete would be required for the footer only?
10 to 12 cubic yards
Concrete Spread foo ng projec ons shall be at least _____ and shall not exceed the thickness of
the foo ngs.
2 inches
What is the maximum allowable spacing between fire blocking in a concealed wall?
10 feet
A _____ is a system component that receives inputs from automa c and manual fire alarm
devices and may be capable of supplying power to detec on devices and transponders or off-
premises transmi9ers.
Fire Alarm Control Unit
Tracks for structural steel framing shall have a minimum flange width of:
1-1/4 inches
Which of the following is the best tool to trim drywall around an electrical outlet:
router
What is the frame around a door called?
Jamb
At what stage of the construc on process would the builder cut out the sole plate in a door
opening?
aHer the wall has been erected and braced
According to the code, the minimum width of at least one egress (exterior) door serving a
residence is _____ inches.
32
