AZ B3 construction Exam 2026 Graded A+ With Detailed Solutions
What is the minimum size for a mortar joint for a concrete block on a foundation? Answer1/4 inch
Exterior gypsum sheathing fasteners should be spaced _____ apart. Answer7 Inches
An extension ladder is leaned against a vertical wall at a point that is 20 feet above grade; the base of
the ladder shall be located what minimum distance from the wall? Answer5 feet
When installing 3 tab asphalt strip shingles in severe climates, on a roof slope of 5/12 the approved ice
protection membrane should extend from the roof eave to a minimum of _____ inches inside the
exterior wall. (this applies to roofs 4/12 and greater) Answer24
What type of connection should be used when an I-joist and a beam meet? AnswerJoist Hanger
A material not recommended to separate polystyrene and built-up roofing is _____. Answernon-venting
base ply
When floor joists are supported by masonry walls, the joists shall have a minimum bearing distance on
each end of _____ inches. Answer3
What type of door has stiles, rails and raised panels? AnswerRaised panel door
What is the material used to make Vinyl flooring? AnswerPVC (Polyvinyl Chloride)
Refer to the illustration 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?
Answer18.11 cubic yards
What is the maximum spacing of ceiling joists in a shower with 5/8 inch water-resistance gypsum board
with tile attached using adhesive? Answer16 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: Answeroxygen used for cooling barrels and blowing dust from
clothing
What should be used to fasten cement board to a wood framed subfloor? Answergalvanized nails or
screws
The "Total Run" of a stairway is _____. AnswerThe sum of the tread run
Which of the following classes of asphalt shingles would have the best fire rating? AnswerClass A
On a Airless paint sprayer, what is responsible for the pattern of the paint? AnswerOrifice
The slope ratio of a handicap accessible ramp shall be a maximum of _____. Answer1 foot in 12 feet
5/8 inch wood sheathing installed on a steel framed roof requires what type and size screws?
AnswerNo. 8 self-tapping
The _____ is the lowest member of a wood floor construction and attaches to the foundation wall using
anchor bolts Answersill
A masonry wall that shows signs of high alkalinity needs to be painted. What type of paint should be
used? Answeralkalyd resistant paint
Which of the following can be used as backfill outside a foundation without being compacted?
AnswerControlled low strength material
What is not allowed to be done to planks for scaffolding? AnswerOil base paint or sealant
What is the proper way to attach base shoe molding on a hardwood floor? AnswerNail it to the
baseboard only
, What is the ideal size of head and bed joints in masonry construction? Answer3/8 inch
What is the spacing required if using 1-1/4 inch screws to hang drywall on studs that are 24 inches on
center? Answer12 inches
When installing unfaced batt insulation , how is it secured? Answerpressure fit
On scaffolding, what is the minimum width that platforms or walkways can be before fall protection is
required? Answer18 inches
How much can be notched from a load bearing stud without compromising it's structural integrity?
Answer25%
According to code, the minimum thickness of a concrete slab that is supported directly on the ground
shall be _____ inches. Answer3.5
The top and bottom horizontal member of a truss is called? AnswerChord
A lot shall be graded to drain surface water away from foundation walls for a minimum of _____ feet.
Answer10
What is the standard size of an interior door? Answer6'8"
A maximum allowable bedjoint thickness between masonry units is ______ inch. Answer3/4
Refer to the illustration 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? Answer10 to 12 cubic yards
Concrete Spread footing projections shall be at least _____ and shall not exceed the thickness of the
footings. Answer2 inches
What is the minimum size for a mortar joint for a concrete block on a foundation? Answer1/4 inch
Exterior gypsum sheathing fasteners should be spaced _____ apart. Answer7 Inches
An extension ladder is leaned against a vertical wall at a point that is 20 feet above grade; the base of
the ladder shall be located what minimum distance from the wall? Answer5 feet
When installing 3 tab asphalt strip shingles in severe climates, on a roof slope of 5/12 the approved ice
protection membrane should extend from the roof eave to a minimum of _____ inches inside the
exterior wall. (this applies to roofs 4/12 and greater) Answer24
What type of connection should be used when an I-joist and a beam meet? AnswerJoist Hanger
A material not recommended to separate polystyrene and built-up roofing is _____. Answernon-venting
base ply
When floor joists are supported by masonry walls, the joists shall have a minimum bearing distance on
each end of _____ inches. Answer3
What type of door has stiles, rails and raised panels? AnswerRaised panel door
What is the material used to make Vinyl flooring? AnswerPVC (Polyvinyl Chloride)
Refer to the illustration 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?
Answer18.11 cubic yards
What is the maximum spacing of ceiling joists in a shower with 5/8 inch water-resistance gypsum board
with tile attached using adhesive? Answer16 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: Answeroxygen used for cooling barrels and blowing dust from
clothing
What should be used to fasten cement board to a wood framed subfloor? Answergalvanized nails or
screws
The "Total Run" of a stairway is _____. AnswerThe sum of the tread run
Which of the following classes of asphalt shingles would have the best fire rating? AnswerClass A
On a Airless paint sprayer, what is responsible for the pattern of the paint? AnswerOrifice
The slope ratio of a handicap accessible ramp shall be a maximum of _____. Answer1 foot in 12 feet
5/8 inch wood sheathing installed on a steel framed roof requires what type and size screws?
AnswerNo. 8 self-tapping
The _____ is the lowest member of a wood floor construction and attaches to the foundation wall using
anchor bolts Answersill
A masonry wall that shows signs of high alkalinity needs to be painted. What type of paint should be
used? Answeralkalyd resistant paint
Which of the following can be used as backfill outside a foundation without being compacted?
AnswerControlled low strength material
What is not allowed to be done to planks for scaffolding? AnswerOil base paint or sealant
What is the proper way to attach base shoe molding on a hardwood floor? AnswerNail it to the
baseboard only
, What is the ideal size of head and bed joints in masonry construction? Answer3/8 inch
What is the spacing required if using 1-1/4 inch screws to hang drywall on studs that are 24 inches on
center? Answer12 inches
When installing unfaced batt insulation , how is it secured? Answerpressure fit
On scaffolding, what is the minimum width that platforms or walkways can be before fall protection is
required? Answer18 inches
How much can be notched from a load bearing stud without compromising it's structural integrity?
Answer25%
According to code, the minimum thickness of a concrete slab that is supported directly on the ground
shall be _____ inches. Answer3.5
The top and bottom horizontal member of a truss is called? AnswerChord
A lot shall be graded to drain surface water away from foundation walls for a minimum of _____ feet.
Answer10
What is the standard size of an interior door? Answer6'8"
A maximum allowable bedjoint thickness between masonry units is ______ inch. Answer3/4
Refer to the illustration 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? Answer10 to 12 cubic yards
Concrete Spread footing projections shall be at least _____ and shall not exceed the thickness of the
footings. Answer2 inches
