AZ ROC Trade Exam B-3 License
Questions and Answers Latest
Nails used for installing Hardboard panel siding vertically
must accommodate the sheathing and penetrate the framing
a minimum of how much?
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?
4 feet
Above the handrail and below the head, what is the minimum
clear opening on a stairwell?
36 inches
When installing vinyl siding, how much overlap should you
allow for thermal expansion?
1 inch
What is the first step you should take when applying
specialty finishes?
Read the manufacturers use instructions.
What is the appropriate gap between gypsum board and a
tub surround?
1/4 inch
Sprayed fire resistant materials are identified by
____________ and thickness required for a given rating.
Density.
What is the most important factor in determining the "R"
value of blown in insulation?
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?
,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?
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.
Fire Alarm Control Unit.
On graded sites, the top of any exterior foundation shall
extend above the elevation of:
The street gutter at point of discharge.
What is the thickness of a footing for a single story frame
residence?
6 inches.
Which of the following is the most important when deciding
the depth of a footing?
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?
1/3 acre.
Which of the following can be used as backfill outside a
foundation without being compacted?
Controlled low strength material.
For soils classified as sandy gravel, foundation pressure
shall not exceed how many PSI?
3000 Pounds per Square Foot.
Which of the following shall not be assumed to have a load
bearing capacity for foundations?
Organic Silt
The soil report states that the soil is sandy-gravel. What is
the soil's load-bearing value?
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?
12 inches
What is the minimum footing width of a one story light-frame
construction building?
12 inches
Which of the following would cause crazing (superficial
cracking) on the surface of concrete?
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?
23 cubic yards.
According to code, the minimum thickness of a concrete slab
that is supported directly on the ground shall be
___________ inches.
3.5
According to the code, plain concrete for basement walls and
foundations shall be what minimum compressive strength
(psi)?
2500 psi
the frost line is 24 inches below the surface. What is the
required depth of a footing?
Below the frost line.
A lot shall be graded to drain surface water away from
foundation walls for a minimum of ___________ feet.
10
What is the minimum overlap of a vapor barrier in an
unvented crawl space.
6 inches
The minimum dept of footings below the undisturbed ground
surface shall be_______.
12 inches
Questions and Answers Latest
Nails used for installing Hardboard panel siding vertically
must accommodate the sheathing and penetrate the framing
a minimum of how much?
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?
4 feet
Above the handrail and below the head, what is the minimum
clear opening on a stairwell?
36 inches
When installing vinyl siding, how much overlap should you
allow for thermal expansion?
1 inch
What is the first step you should take when applying
specialty finishes?
Read the manufacturers use instructions.
What is the appropriate gap between gypsum board and a
tub surround?
1/4 inch
Sprayed fire resistant materials are identified by
____________ and thickness required for a given rating.
Density.
What is the most important factor in determining the "R"
value of blown in insulation?
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?
,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?
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.
Fire Alarm Control Unit.
On graded sites, the top of any exterior foundation shall
extend above the elevation of:
The street gutter at point of discharge.
What is the thickness of a footing for a single story frame
residence?
6 inches.
Which of the following is the most important when deciding
the depth of a footing?
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?
1/3 acre.
Which of the following can be used as backfill outside a
foundation without being compacted?
Controlled low strength material.
For soils classified as sandy gravel, foundation pressure
shall not exceed how many PSI?
3000 Pounds per Square Foot.
Which of the following shall not be assumed to have a load
bearing capacity for foundations?
Organic Silt
The soil report states that the soil is sandy-gravel. What is
the soil's load-bearing value?
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?
12 inches
What is the minimum footing width of a one story light-frame
construction building?
12 inches
Which of the following would cause crazing (superficial
cracking) on the surface of concrete?
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?
23 cubic yards.
According to code, the minimum thickness of a concrete slab
that is supported directly on the ground shall be
___________ inches.
3.5
According to the code, plain concrete for basement walls and
foundations shall be what minimum compressive strength
(psi)?
2500 psi
the frost line is 24 inches below the surface. What is the
required depth of a footing?
Below the frost line.
A lot shall be graded to drain surface water away from
foundation walls for a minimum of ___________ feet.
10
What is the minimum overlap of a vapor barrier in an
unvented crawl space.
6 inches
The minimum dept of footings below the undisturbed ground
surface shall be_______.
12 inches
