AZ ROC TRADE EXAM B-3 LICENSE
ACTUAL EXAM PAPER 2026 QUESTIONS
WITH SOLUTIONS VERIFIED ANSWERS
●● 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.
ACTUAL EXAM PAPER 2026 QUESTIONS
WITH SOLUTIONS VERIFIED ANSWERS
●● 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.
