AZ ROC TRADE EXAM B-3 LICENSE EXAM|
COMPLETE STUDY GUIDE WITH DETAILED
QUESTIONS AND 100% RIGHT/AUTHENTIC
ANSWERS|GUARANTEED PASS|ALREADY
GRADED A|LATEST UPDATED VERSION
2025
Nails used for installing Hardboard panel siding vertically must accommodate the
sheathing and penetrate the framing a minimum of how much? - CORRECT
ANSWERS.✔️✔️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? - CORRECT
ANSWERS.✔️✔️4 feet
Above the handrail and below the head, what is the minimum clear opening on a
stairwell? - CORRECT ANSWERS.✔️✔️36 inches
When installing vinyl siding, how much overlap should you allow for thermal
expansion? - CORRECT ANSWERS.✔️✔️1 inch
What is the first step you should take when applying specialty finishes? - CORRECT
ANSWERS.✔️✔️Read the manufacturers use instructions.
What is the appropriate gap between gypsum board and a tub surround? -
CORRECT ANSWERS.✔️✔️1/4 inch
SUCCESS
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Sprayed fire resistant materials are identified by ____________ and thickness
required for a given rating. - CORRECT ANSWERS.✔️✔️Density.
What is the most important factor in determining the "R" value of blown in
insulation? - CORRECT ANSWERS.✔️✔️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? -
CORRECT ANSWERS.✔️✔️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? - CORRECT
ANSWERS.✔️✔️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. - CORRECT
ANSWERS.✔️✔️Fire Alarm Control Unit.
On graded sites, the top of any exterior foundation shall extend above the
elevation of: - CORRECT ANSWERS.✔️✔️The street gutter at point of discharge.
What is the thickness of a footing for a single story frame residence? - CORRECT
ANSWERS.✔️✔️6 inches.
Which of the following is the most important when deciding the depth of a
footing? - CORRECT ANSWERS.✔️✔️Depth of the frost line.
SUCCESS
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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? - CORRECT
ANSWERS.✔️✔️1/3 acre.
Which of the following can be used as backfill outside a foundation without being
compacted? - CORRECT ANSWERS.✔️✔C ️ ontrolled low strength material.
For soils classified as sandy gravel, foundation pressure shall not exceed how
many PSI? - CORRECT ANSWERS.✔️✔️3000 Pounds per Square Foot.
Which of the following shall not be assumed to have a load bearing capacity for
foundations? - CORRECT ANSWERS.✔️✔️Organic Silt
The soil report states that the soil is sandy-gravel. What is the soil's load-bearing
value? - CORRECT ANSWERS.✔️✔️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? - CORRECT
ANSWERS.✔️✔️12 inches
What is the minimum footing width of a one story light-frame construction
building? - CORRECT ANSWERS.✔️✔️12 inches
Which of the following would cause crazing (superficial cracking) on the surface of
concrete? - CORRECT ANSWERS.✔️✔️Early drying due to late curing or excessive
water on surface.
SUCCESS
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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? - CORRECT ANSWERS.✔️✔️23 cubic
yards.
According to code, the minimum thickness of a concrete slab that is supported
directly on the ground shall be ___________ inches. - CORRECT
ANSWERS.✔️✔️3.5
According to the code, plain concrete for basement walls and foundations shall be
what minimum compressive strength (psi)? - CORRECT ANSWERS.✔️✔️2500 psi
the frost line is 24 inches below the surface. What is the required depth of a
footing? - CORRECT ANSWERS.✔️✔️Below the frost line.
A lot shall be graded to drain surface water away from foundation walls for a
minimum of ___________ feet. - CORRECT ANSWERS.✔️✔️10
What is the minimum overlap of a vapor barrier in an unvented crawl space. -
CORRECT ANSWERS.✔️✔️6 inches
The minimum dept of footings below the undisturbed ground surface shall
be_______. - CORRECT ANSWERS.✔️✔️12 inches
According to code, footings shall be stepped when? - CORRECT ANSWERS.✔️✔️If
the ground surface slopes more than on unit vertical to ten units horizontal or
where necessary to change the top footing surface elevation.
SUCCESS