Az ROC TRAde exAm B-3 LiCense exAm LATesT 2026
ACTuAL QuesTiOns And VeRiFied AnsweRs (LATesT 2026 /
2027 updATe) A+ GRAde 100% GuARAnTee VeRiFied By
expeRTs
Nails used for installing Hardboard panel siding vertically must accommodate the
sheathing and penetrate the framing a minimum of how much? - ANSWER-1-1/2 inches
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
The minimum dept of footings below the undisturbed ground surface shall be_______. -
ANSWER-12 inches
According to code, footings shall be stepped when? - ANSWER-If the ground surface
slopes more than on unit vertical to ten units horizontal or where necessary to change
the top footing surface elevation.
ACTuAL QuesTiOns And VeRiFied AnsweRs (LATesT 2026 /
2027 updATe) A+ GRAde 100% GuARAnTee VeRiFied By
expeRTs
Nails used for installing Hardboard panel siding vertically must accommodate the
sheathing and penetrate the framing a minimum of how much? - ANSWER-1-1/2 inches
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
The minimum dept of footings below the undisturbed ground surface shall be_______. -
ANSWER-12 inches
According to code, footings shall be stepped when? - ANSWER-If the ground surface
slopes more than on unit vertical to ten units horizontal or where necessary to change
the top footing surface elevation.
