100+ Free AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Practice Questions

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Key Facts: AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Exam

PSI Services LLC

Exam Provider

AZ ROC Candidate Information Bulletin

100 Scored Items

Total Scored Questions

PSI Content Outline

240 Minutes (4 Hours)

Time Limit

PSI Content Outline

70% (70 / 100)

Passing Score

AZ ROC Regulations

$66

Exam Fee

PSI Candidate Bulletin

Open-Book Computerized

Format

PSI Testing Protocol

Prepare for the Arizona ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry trade exam with 100 practice questions matching official PSI topic weights (Sitework 17%, Concrete 17%, Masonry 9%, Metal Framing 6%, Carpentry 17%, Thermal/Moisture 12%, Doors/Windows 7%, Finishes 9%, Safety 6%). Official exam consists of 100 scored questions, 240 minutes time limit, 70% passing score, open-book delivery by PSI, costing $66. Note: local practice MCQs serve as an English-language study adaptation to reinforce technical building codes, trade calculations, and reference lookup speed.

Sample AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Practice Questions

Try these sample questions to test your AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A residential building site plan specifies a finished floor elevation (FFE) of 1,250.50 ft. The existing ground elevation at the building pad is 1,248.00 ft. The combined thickness of the crushed aggregate base and concrete slab is 1.00 ft. What is the required depth of fill needed to bring the subgrade to proper elevation before placing aggregate base?

A.1.50 feet of fill

B.2.50 feet of fill

C.1.00 foot of fill

D.2.00 feet of fill

Explanation: Subgrade elevation equals FFE minus base/slab thickness: 1,250.50 ft - 1.00 ft = 1,249.50 ft. The required fill depth is subgrade elevation minus existing ground elevation: 1,249.50 ft - 1,248.00 ft = 1.50 feet of fill.

2When setting up batter boards to lay out a rectangular foundation using the 3-4-5 right triangle method, if one leg measured along the building line is 12 feet and the perpendicular leg is 16 feet, what must the diagonal distance measure to ensure a true 90-degree corner?

A.18 feet

B.20 feet

C.24 feet

D.25 feet

Explanation: Using the Pythagorean theorem (a^2 + b^2 = c^2) with a multiplier of 4: 3*4=12 ft and 4*4=16 ft. The diagonal c = sqrt(12^2 + 16^2) = sqrt(144 + 256) = sqrt(400) = 20 feet.

3Per IRC R401.4 and standard geotechnical specifications, engineered fill placed under building footings and structural slabs-on-grade must be compacted to what minimum percentage of Maximum Dry Density (MDD) as determined by the Modified Proctor test (ASTM D1557)?

A.85% Modified Proctor density

B.90% Modified Proctor density

C.95% Modified Proctor density

D.100% Modified Proctor density

Explanation: IRC R401.4 and geotechnical standards require structural engineered fill supporting foundations to be placed in loose lifts (typically 6-8 inches) and compacted to at least 95% of Maximum Dry Density per ASTM D1557 (Modified Proctor).

4Per IRC R401.3, what is the minimum required slope for finish grade away from residential foundation walls, and over what minimum horizontal distance must this fall occur (unless paved or constrained)?

A.2 inches of fall in the first 5 feet

B.4 inches of fall in the first 8 feet

C.12 inches of fall in the first 10 feet

D.6 inches of fall in the first 10 feet

Explanation: IRC R401.3 specifies that the ground immediately adjacent to foundation walls must slope downward away from the building at a minimum of 6 inches of fall within the first 10 feet (a 5% slope).

5A excavation contractor is digging a continuous footing trench with a total perimeter length of 120 feet, a width of 2.0 feet, and a depth of 1.5 feet. If the excavated soil experiences a swell factor of 15%, what is the total volume of loose soil that must be hauled off-site in cubic yards?

A.15.33 cubic yards

B.13.33 cubic yards

C.17.25 cubic yards

D.20.00 cubic yards

Explanation: In-bank volume = 120 ft * 2 ft * 1.5 ft = 360 cu ft. In cubic yards = 360 / 27 = 13.33 cu yd. Accounting for 15% swell: 13.33 cu yd * 1.15 = 15.33 cubic yards.

6When preparing a subgrade over unstable expansive clay soils, what is the primary structural function of installing a woven geotextile fabric beneath the aggregate base layer?

A.To act as a complete waterproof membrane prohibiting subsoil moisture migration

B.To separate aggregate base from soft subgrade soil and prevent intermixing while providing tensile stabilization

C.To serve as a chemical termiticide barrier beneath interior concrete floor slabs

D.To accelerate frost heave underneath exterior concrete driveway slabs

Explanation: Geotextile fabric acts as a separation and stabilization layer. It prevents coarse aggregate base particles from sinking into soft subgrade clay while allowing water to pass through, maintaining structural load distribution.

7According to IRC R405.1, when installing a perimeter foundation drainage system (French drain) around basement or retaining walls, how must the perforated drain pipe be installed relative to footings and filter material?

A.Directly on bare soil 12 inches above the footing with holes facing upward

B.Encased in solid concrete below the invert level of the sewer main

C.On a bed of washed gravel or crushed stone at or below footing level, with perforations facing down and covered by filter gravel

D.Vertically against the foundation wall extending to finish surface grade

Explanation: IRC R405.1 requires subsurface drainage piping to be placed on a gravel bed at or below the bottom of the wall footing. Perforations must face downward into the gravel, and the pipe must be surrounded by crushed stone wrapped in filter fabric.

8What is the standard installation requirement for trenching and toeing-in a silt fence fabric to control site sediment runoff during earth disturbing activities?

A.Lay the fabric flat on top of ground vegetation without stakes

B.Attach fabric to stakes placed 15 feet apart with top edge touching ground

C.Staple fabric to wooden posts set flush with finish floor level

D.Dig a 6-inch deep trench, embed the bottom fabric flap horizontally into the trench, backfill, and compact

Explanation: Proper silt fence installation requires excavating a 6-inch deep trench along the fence line, placing the lower 6 inches of geotextile fabric into the trench (toed-in), and thoroughly backfilling and compacting soil over it.

9Per IRC R403.1.8, when building on expansive soils with a plasticity index (PI) of 15 or greater, which specialized foundation system design is typically required unless traditional footings are designed by a registered design professional?

A.Post-tensioned slab-on-grade or deep continuous stem wall extending below moisture zone

B.Unreinforced shallow gravel trench footings without concrete

C.Precast hollow core plank floor supported on unanchored wooden posts

D.Standard 6-inch thick unreinforced concrete patio slab

Explanation: Expansive soils expand when wet and shrink when dry. IRC R403.1.8 requires foundations on expansive soils to be engineered (such as post-tensioned slabs or stiffened mat foundations) to resist soil movement without structural cracking.

10Under Arizona Underground Facilities Law (Arizona Blue Stake / 811), what is the minimum hand-digging safety clearance zone distance required on either side of marked underground utility lines before power excavating equipment can be used?

A.12 inches

B.24 inches

C.36 inches

D.48 inches

Explanation: Arizona Revised Statutes (ARS § 40-360.21) require a tolerance zone of 24 inches on outside edges of marked underground utilities. Mechanized equipment cannot be used within this 24-inch safety zone until hand-digging exposes the utility.

About the AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Exam

The Arizona ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Examination is the combined trade licensing exam administered by PSI for contractors in Arizona. The AZ ROC consolidated the former Class B General Residential, Class B-3 General Remodeling and Repair, and Class CR-61 Carpentry trade examinations into a single unified 100-question open-book examination. The exam tests comprehensive knowledge across 9 core subject areas: Sitework (17%), Concrete (17%), Masonry (9%), Metal Framing (6%), Carpentry (17%), Thermal and Moisture Protection (12%), Doors and Windows (7%), Finishes (9%), and OSHA Safety (6%). Candidate preparation requires mastery of model building codes (IBC/IRC), structural wood and concrete design standards (NDS, ACI), finishes (GA-216, TCNA), and federal safety standards (OSHA 1926).

Assessment

100 multiple-choice questions administered via computer in an open-book format at PSI testing centers; 240-minute time limit; 70% passing score required.

Time Limit

240 minutes

Passing Score

70%

Exam Fee

$66 (Arizona ROC / PSI Services LLC)

AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Exam Content Outline

17%

Sitework

Site preparation, grading, excavation, soil compaction, drainage, and layout.

17%

Concrete

Formwork, reinforcement, mix design, slump, curing, placement, and footings.

Masonry

CMU units, mortar types, grouting, reinforcement, and lintels.

Metal Framing

Light-gauge steel studs, tracks, joists, bridging, and fasteners.

17%

Carpentry

Floor joists, wall studs, headers, roof trusses, rafters, sheathing, and stairs.

12%

Thermal and Moisture Protection

Insulation R-values, vapor retarders, roofing shingles/tile, flashing, and waterproofing.

Doors and Windows

Window flashing, egress dimensions, safety glazing, and fire-rated doors.

Finishes

Gypsum board GA-216 standards, stucco 3-coat, tile installations, and wall finishes.

Safety

OSHA 1926 fall protection, ladder rules, trench excavation safety, and PPE.

How to Pass the AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Exam

What You Need to Know

Passing score: 70%
Assessment: 100 multiple-choice questions administered via computer in an open-book format at PSI testing centers; 240-minute time limit; 70% passing score required.
Time limit: 240 minutes
Exam fee: $66

Keys to Passing

Work through all 100 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Study Tips from Top Performers

1Tab and highlight your reference books (IRC, IBC, OSHA 1926, GA-216, ACI 318) using permanent reference tabs for rapid lookup during the 240-minute open-book exam.

2Practice structural framing calculations, including joist/rafter spans, header load calculations, stair riser/tread geometry, and concrete volume/slump rules.

3Memorize key OSHA 1926 safety thresholds: 6 feet for fall protection trigger height, 4 feet / 5 feet for trenching protective systems, and 3 feet for ladder extension above landing.

4Focus heavily on the top-weighted sections (Sitework, Concrete, and Carpentry account for 51 out of 100 questions).

5Pace yourself at an average of 2.4 minutes per question so you have ample time to verify code sections and tabbed references.

Frequently Asked Questions

What trades are covered under the combined AZ ROC B/B-3/CR-61 exam?

The combined examination covers Class B (General Residential Contractor), Class B-3 (General Remodeling and Repair), and Class CR-61 (Carpentry) licenses under the Arizona Registrar of Contractors. Candidates passing this exam fulfill the trade exam requirement for any of these three license classifications.

How many questions are on the AZ ROC B/B-3/CR-61 exam and what is the passing score?

The official PSI exam contains 100 scored multiple-choice questions. Candidates are allowed 240 minutes (4 hours) to complete the test and must score at least 70% (70 correct out of 100) to pass.

Is the AZ ROC B/B-3/CR-61 exam open-book?

Yes, the examination is open-book. Candidates are permitted to bring approved, bound reference materials (such as the IRC, IBC, OSHA 1926, ACI standards, GA-216, and trade references) into the PSI testing center, provided they are permanently bound and highlighted/tabbed according to PSI rules.

How much does the trade examination cost and where is it taken?

The trade examination fee is $66, payable to PSI Services LLC. Tests are administered via computer at authorized PSI test centers throughout Arizona and nationwide.

What is the breakdown of topics on the exam?

The 100 questions are weighted as follows: Sitework (17 questions), Concrete (17 questions), Carpentry (17 questions), Thermal and Moisture Protection (12 questions), Masonry (9 questions), Finishes (9 questions), Doors and Windows (7 questions), Metal Framing (6 questions), and Safety (6 questions).

100+ Free AZ ROC B/B-3/CR-61 General Residential, Remodeling and Carpentry Practice Questions

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