Az ROC Trade Exam B-3 License Exam 2026 100% Verified
Graded A+ Fully Solved
Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and
penetrate the framing a minimum of how much? Answer1-1/2 inches
When framing openings in floors with a header and trimmer joists, what maximum header joist span is
allowed with a single member header? Answer4 feet
Above the handrail and below the head, what is the minimum clear opening on a stairwell? Answer36
inches
When installing vinyl siding, how much overlap should you allow for thermal expansion? Answer1 inch
What is the first step you should take when applying specialty finishes? AnswerRead the manufacturers
use instructions.
What is the appropriate gap between gypsum board and a tub surround? Answer1/4 inch
Sprayed fire resistant materials are identified by ____________ and thickness required for a given
rating. AnswerDensity.
What is the most important factor in determining the "R" value of blown in insulation? AnswerDensity.
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? Answer30 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? Answerinches.
,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. AnswerFire Alarm Control Unit.
On graded sites, the top of any exterior foundation shall extend above the elevation of: AnswerThe
street gutter at point of discharge.
What is the thickness of a footing for a single story frame residence? Answer6 inches.
Which of the following is the most important when deciding the depth of a footing? AnswerDepth 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? Answer1/3 acre.
Which of the following can be used as backfill outside a foundation without being compacted?
AnswerControlled low strength material.
For soils classified as sandy gravel, foundation pressure shall not exceed how many PSI? Answer3000
Pounds per Square Foot.
Which of the following shall not be assumed to have a load bearing capacity for foundations?
AnswerOrganic Silt
The soil report states that the soil is sandy-gravel. What is the soil's load-bearing value? Answer3,000
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? Answer12 inches
What is the minimum footing width of a one story light-frame construction building? Answer12 inches
, Which of the following would cause crazing (superficial cracking) on the surface of concrete?
AnswerEarly 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?
Answer23 cubic yards.
According to code, the minimum thickness of a concrete slab that is supported directly on the ground
shall be ___________ inches. Answer3.5
According to the code, plain concrete for basement walls and foundations shall be what minimum
compressive strength (psi)? Answer2500 psi
the frost line is 24 inches below the surface. What is the required depth of a footing? AnswerBelow the
frost line.
A lot shall be graded to drain surface water away from foundation walls for a minimum of ___________
feet. Answer10
What is the minimum overlap of a vapor barrier in an unvented crawl space. Answer6 inches
The minimum dept of footings below the undisturbed ground surface shall be_______. Answer12 inches
According to code, footings shall be stepped when? AnswerIf the ground surface slopes more than on
unit vertical to ten units horizontal or where necessary to change the top footing surface elevation.
What is the minimum concrete psi that is required for basement walls or slabs not exposed to weather?
Answer2500 psi
Refer to the illustration of a 2 story house w/ lap siddng 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.
Graded A+ Fully Solved
Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and
penetrate the framing a minimum of how much? Answer1-1/2 inches
When framing openings in floors with a header and trimmer joists, what maximum header joist span is
allowed with a single member header? Answer4 feet
Above the handrail and below the head, what is the minimum clear opening on a stairwell? Answer36
inches
When installing vinyl siding, how much overlap should you allow for thermal expansion? Answer1 inch
What is the first step you should take when applying specialty finishes? AnswerRead the manufacturers
use instructions.
What is the appropriate gap between gypsum board and a tub surround? Answer1/4 inch
Sprayed fire resistant materials are identified by ____________ and thickness required for a given
rating. AnswerDensity.
What is the most important factor in determining the "R" value of blown in insulation? AnswerDensity.
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? Answer30 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? Answerinches.
,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. AnswerFire Alarm Control Unit.
On graded sites, the top of any exterior foundation shall extend above the elevation of: AnswerThe
street gutter at point of discharge.
What is the thickness of a footing for a single story frame residence? Answer6 inches.
Which of the following is the most important when deciding the depth of a footing? AnswerDepth 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? Answer1/3 acre.
Which of the following can be used as backfill outside a foundation without being compacted?
AnswerControlled low strength material.
For soils classified as sandy gravel, foundation pressure shall not exceed how many PSI? Answer3000
Pounds per Square Foot.
Which of the following shall not be assumed to have a load bearing capacity for foundations?
AnswerOrganic Silt
The soil report states that the soil is sandy-gravel. What is the soil's load-bearing value? Answer3,000
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? Answer12 inches
What is the minimum footing width of a one story light-frame construction building? Answer12 inches
, Which of the following would cause crazing (superficial cracking) on the surface of concrete?
AnswerEarly 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?
Answer23 cubic yards.
According to code, the minimum thickness of a concrete slab that is supported directly on the ground
shall be ___________ inches. Answer3.5
According to the code, plain concrete for basement walls and foundations shall be what minimum
compressive strength (psi)? Answer2500 psi
the frost line is 24 inches below the surface. What is the required depth of a footing? AnswerBelow the
frost line.
A lot shall be graded to drain surface water away from foundation walls for a minimum of ___________
feet. Answer10
What is the minimum overlap of a vapor barrier in an unvented crawl space. Answer6 inches
The minimum dept of footings below the undisturbed ground surface shall be_______. Answer12 inches
According to code, footings shall be stepped when? AnswerIf the ground surface slopes more than on
unit vertical to ten units horizontal or where necessary to change the top footing surface elevation.
What is the minimum concrete psi that is required for basement walls or slabs not exposed to weather?
Answer2500 psi
Refer to the illustration of a 2 story house w/ lap siddng 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.
