AZ ROC TRADE EXAM B-3 LICENSE
ACTUAL TEST PAPER 2026 QUESTIONS
WITH ANSWERS GRADED A+
⩥When framing openings in floors with a header and trimmer joists,
what maximum header joist span is allowed with a single member
header? Answer: 4 feet
⩥Above the handrail and below the head, what is the minimum clear
opening on a stairwell? Answer: 36 inches
⩥When installing vinyl siding, how much overlap should you allow for
thermal expansion? Answer: 1 inch
⩥What is the first step you should take when applying specialty
finishes? Answer: Read the manufacturers use instructions.
⩥What is the appropriate gap between gypsum board and a tub
surround? Answer: 1/4 inch
⩥Sprayed fire resistant materials are identified by ____________ and
thickness required for a given rating. Answer: Density.
,⩥What is the most important factor in determining the "R" value of
blown in insulation? Answer: Density.
⩥Refer to the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), What are the lengths of the
second floor trusses? Answer: 30 feet 6 inches and 13 feet 5 inches.
⩥Refer tot the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), what is the height of the foyer
in inches? Answer: inches.
⩥A ____________ is a system component that receives the inputs from
automatic and manual fire alarm devices and may be capable of
supplying power to the detection devices and transponders or off-
premises transmitters. Answer: Fire Alarm Control Unit.
⩥On graded sites, the top of any exterior foundation shall extend above
the elevation of: Answer: The street gutter at point of discharge.
⩥What is the thickness of a footing for a single story frame residence?
Answer: 6 inches.
⩥Which of the following is the most important when deciding the depth
of a footing? Answer: Depth of the frost line.
,⩥Refer tot the illustration of a 2 story house w/ lap siding plans,
(available at the testing center) How many acres is the site for the house
plan? Answer: 1/3 acre.
⩥Which of the following can be used as backfill outside a foundation
without being compacted? Answer: Controlled low strength material.
⩥For soils classified as sandy gravel, foundation pressure shall not
exceed how many PSI? Answer: 3000 Pounds per Square Foot.
⩥Which of the following shall not be assumed to have a load bearing
capacity for foundations? Answer: Organic Silt
⩥The soil report states that the soil is sandy-gravel. What is the soil's
load-bearing value? Answer: 3,000 PSF
⩥According to code, what is the minimum required width of a footing in
soil rated at 2000 PSF for a single story building with 8 inch thick
masonry walls? Answer: 12 inches
⩥What is the minimum footing width of a one story light-frame
construction building? Answer: 12 inches
, ⩥Which of the following would cause crazing (superficial cracking) on
the surface of concrete? Answer: Early drying due to late curing or
excessive water on surface.
⩥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 and garage slabs less the fireplace area?
Answer: 23 cubic yards.
⩥According to code, the minimum thickness of a concrete slab that is
supported directly on the ground shall be ___________ inches. Answer:
3.5
⩥According to the code, plain concrete for basement walls and
foundations shall be what minimum compressive strength (psi)? Answer:
2500 psi
⩥the frost line is 24 inches below the surface. What is the required depth
of a footing? Answer: Below the frost line.
⩥A lot shall be graded to drain surface water away from foundation
walls for a minimum of ___________ feet. Answer: 10
⩥What is the minimum overlap of a vapor barrier in an unvented crawl
space. Answer: 6 inches
ACTUAL TEST PAPER 2026 QUESTIONS
WITH ANSWERS GRADED A+
⩥When framing openings in floors with a header and trimmer joists,
what maximum header joist span is allowed with a single member
header? Answer: 4 feet
⩥Above the handrail and below the head, what is the minimum clear
opening on a stairwell? Answer: 36 inches
⩥When installing vinyl siding, how much overlap should you allow for
thermal expansion? Answer: 1 inch
⩥What is the first step you should take when applying specialty
finishes? Answer: Read the manufacturers use instructions.
⩥What is the appropriate gap between gypsum board and a tub
surround? Answer: 1/4 inch
⩥Sprayed fire resistant materials are identified by ____________ and
thickness required for a given rating. Answer: Density.
,⩥What is the most important factor in determining the "R" value of
blown in insulation? Answer: Density.
⩥Refer to the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), What are the lengths of the
second floor trusses? Answer: 30 feet 6 inches and 13 feet 5 inches.
⩥Refer tot the illustration of a 2 story house w/ lap siding plans,
(complete set of plans at the test center), what is the height of the foyer
in inches? Answer: inches.
⩥A ____________ is a system component that receives the inputs from
automatic and manual fire alarm devices and may be capable of
supplying power to the detection devices and transponders or off-
premises transmitters. Answer: Fire Alarm Control Unit.
⩥On graded sites, the top of any exterior foundation shall extend above
the elevation of: Answer: The street gutter at point of discharge.
⩥What is the thickness of a footing for a single story frame residence?
Answer: 6 inches.
⩥Which of the following is the most important when deciding the depth
of a footing? Answer: Depth of the frost line.
,⩥Refer tot the illustration of a 2 story house w/ lap siding plans,
(available at the testing center) How many acres is the site for the house
plan? Answer: 1/3 acre.
⩥Which of the following can be used as backfill outside a foundation
without being compacted? Answer: Controlled low strength material.
⩥For soils classified as sandy gravel, foundation pressure shall not
exceed how many PSI? Answer: 3000 Pounds per Square Foot.
⩥Which of the following shall not be assumed to have a load bearing
capacity for foundations? Answer: Organic Silt
⩥The soil report states that the soil is sandy-gravel. What is the soil's
load-bearing value? Answer: 3,000 PSF
⩥According to code, what is the minimum required width of a footing in
soil rated at 2000 PSF for a single story building with 8 inch thick
masonry walls? Answer: 12 inches
⩥What is the minimum footing width of a one story light-frame
construction building? Answer: 12 inches
, ⩥Which of the following would cause crazing (superficial cracking) on
the surface of concrete? Answer: Early drying due to late curing or
excessive water on surface.
⩥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 and garage slabs less the fireplace area?
Answer: 23 cubic yards.
⩥According to code, the minimum thickness of a concrete slab that is
supported directly on the ground shall be ___________ inches. Answer:
3.5
⩥According to the code, plain concrete for basement walls and
foundations shall be what minimum compressive strength (psi)? Answer:
2500 psi
⩥the frost line is 24 inches below the surface. What is the required depth
of a footing? Answer: Below the frost line.
⩥A lot shall be graded to drain surface water away from foundation
walls for a minimum of ___________ feet. Answer: 10
⩥What is the minimum overlap of a vapor barrier in an unvented crawl
space. Answer: 6 inches
