100+ Free AZ ROC CR-31 Masonry Practice Questions

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2026 Statistics

Key Facts: AZ ROC CR-31 Masonry Exam

60 Questions

Official Question Count

PSI Candidate Information Bulletin

150 Minutes

Time Limit

PSI CR-31 Content Outline

70%

Passing Score

Arizona Registrar of Contractors

$66

Exam Fee

PSI Services LLC

Open Book Computerized MCQ

Exam Format

PSI / AZ ROC Guidelines

100 Questions

Practice Question Bank

OpenExamPrep Practice Bank

The Arizona ROC CR-31 Masonry trade examination is 60 multiple-choice questions in 150 minutes, open book, delivered online or at a PSI test center, with a 70% passing score and a $66 registration fee. This free practice bank is an independent English-language study aid of 100 questions with worked calculations and code-referenced explanations; it is not the official exam and does not reproduce PSI items.

Sample AZ ROC CR-31 Masonry Practice Questions

Try these sample questions to test your AZ ROC CR-31 Masonry exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A masonry contractor is estimating the quantity of standard 8x8x16 nominal concrete masonry units (CMU) required for a wall measuring 50 feet long by 10 feet high. Allowing a 5% waste factor, how many CMU blocks should be ordered?

A.591 blocks

B.563 blocks

C.500 blocks

D.625 blocks

Explanation: Wall surface area = 50 ft x 10 ft = 500 sq ft. Standard 8x8x16 CMU wall estimation uses a multiplier of 1.125 blocks per sq ft (112.5 blocks per 100 sq ft). Baseline blocks = 500 sq ft x 1.125 = 562.5 blocks. Adding 5% waste: 562.5 x 1.05 = 590.625, which rounds up to 591 blocks.

2According to standard masonry estimating rules of thumb, approximately how many cubic feet of mortar are required to lay 800 standard 8x8x16 CMU blocks with face shell mortar bedding?

A.28 cu ft

B.16 cu ft

C.42 cu ft

D.56 cu ft

Explanation: Standard estimating guidelines state that laying 100 CMU blocks requires approximately 3.5 cubic feet of mortar for face shell bedding. For 800 blocks: (800 / 100) x 3.5 cu ft = 28 cubic feet of mortar.

3A contractor must solid-grout an 8-inch thick CMU wall having a surface area of 400 square feet. Assuming a grout volume requirement of 0.35 cubic feet per square foot of wall area, how many cubic yards of grout should be ordered?

A.5.2 cu yd

B.4.1 cu yd

C.6.8 cu yd

D.14.0 cu yd

Explanation: Total grout volume in cubic feet = 400 sq ft x 0.35 cu ft/sq ft = 140 cu ft. Convert to cubic yards by dividing by 27: 140 / 27 = 5.185 cu yd, which rounds to 5.2 cu yd.

4How many standard modular bricks (with 3/8-inch mortar joints) are required to build a single-wythe wall measuring 20 feet long by 8 feet high, including a 5% waste factor?

A.1,134 bricks

B.1,080 bricks

C.960 bricks

D.1,296 bricks

Explanation: Wall area = 20 ft x 8 ft = 160 sq ft. Standard modular brick estimation uses 6.75 bricks per sq ft. Net bricks = 160 x 6.75 = 1,080 bricks. Including a 5% waste factor: 1,080 x 1.05 = 1,134 bricks.

5A continuous bond beam requires 3 horizontal runs of #5 rebar along a wall length of 120 feet. If each run requires 4 lap splices of 24 inches each, what is the total estimated weight of rebar required? (#5 rebar weighs 1.043 lbs/ft).

A.401 lbs

B.375 lbs

C.445 lbs

D.313 lbs

Explanation: Splice length per run = 4 splices x 2 ft = 8 ft. Total length per run = 120 ft + 8 ft = 128 ft. Total linear feet for 3 runs = 3 x 128 ft = 384 ft. Total weight = 384 ft x 1.043 lbs/ft = 400.51 lbs, which rounds to 401 lbs.

6A partially grouted 8-inch CMU wall measuring 600 square feet has cores grouted at 32 inches on center. If grouting cores at 32 inches o.c. requires 0.18 cubic feet of grout per square foot of wall area, how many cubic yards of grout are required?

A.4.0 cu yd

B.3.2 cu yd

C.5.4 cu yd

D.7.8 cu yd

Explanation: Total grout volume in cubic feet = 600 sq ft x 0.18 cu ft/sq ft = 108 cu ft. Cubic yards = 108 / 27 = 4.0 cu yd.

7A 10-foot high by 80-foot long CMU wall requires continuous horizontal joint reinforcement placed every 16 inches vertically (every 2nd course). Allowing 10% extra for lap splices and waste, how many linear feet of joint reinforcement are required?

A.616 linear ft

B.560 linear ft

C.680 linear ft

D.492 linear ft

Explanation: A 10-ft wall has 15 block courses (120 inches / 8 inches). Placing joint reinforcement every 2nd course yields 7 reinforced bed joint levels. Base length = 7 x 80 ft = 560 linear ft. Including 10% extra for laps and waste: 560 x 1.10 = 616 linear ft.

8Standard estimating guidelines state that laying 1,000 standard modular clay bricks requires approximately how many cubic feet of mortar?

A.7.0 cu ft

B.3.5 cu ft

C.12.0 cu ft

D.15.5 cu ft

Explanation: Laying 1,000 standard modular bricks with 3/8-inch mortar joints requires approximately 7.0 cubic feet of mortar (or about 8.5 to 9.0 cu ft when allowing for waste).

9A job specification calls for a 1:3 ratio by volume of Type S masonry cement to damp masonry sand. If a job requires 12 cubic feet of total mortar batch, how many 1-cubic-foot bags of masonry cement and cubic feet of sand are required?

A.4 bags cement and 12 cu ft sand

B.3 bags cement and 9 cu ft sand

C.6 bags cement and 18 cu ft sand

D.2 bags cement and 6 cu ft sand

Explanation: Mortar yield is determined by sand volume because cement fills the void spaces in sand. In a 1:3 proportion mix, 1 cubic foot bag of masonry cement mixed with 3 cubic feet of damp sand yields approximately 3 cubic feet of wet mortar. To produce 12 cu ft of mortar: 12 / 3 = 4 bags of masonry cement and 4 x 3 = 12 cu ft of sand.

10A contractor is installing pre-cast U-lintel blocks over 4 door openings, each having a clear span of 6 feet (total lintel length 8 feet per opening). If each 8-inch U-block lintel holds 0.45 cubic feet of grout per linear foot, what total grout volume is needed for all 4 lintels?

A.14.4 cu ft

B.10.8 cu ft

C.18.0 cu ft

D.21.6 cu ft

Explanation: Total length of lintels = 4 lintels x 8 ft = 32 linear feet. Grout volume = 32 ft x 0.45 cu ft/ft = 14.4 cubic feet.

About the AZ ROC CR-31 Masonry Exam

The Arizona ROC CR-31 Masonry Examination is a 60-question, 150-minute open-book trade examination administered by PSI Services LLC for the Arizona Registrar of Contractors, and may be taken online or at a PSI test center. The exam tests masonry construction knowledge including block and brick unit takeoffs, mortar (ASTM C270) and grout (ASTM C476) mix designs, rebar clear cover and lap splices per TMS 402/602, low-lift and high-lift grouting procedures, cold/hot weather controls, movement joint placement, and OSHA 1926 Subpart Q masonry safety standards.

Questions

60 scored questions

Time Limit

150 minutes

Passing Score

70%

Exam Fee

$66 (Arizona ROC / PSI Services LLC)

AZ ROC CR-31 Masonry Exam Content Outline

Estimating and Plan Reading

5 of 60 items. Material takeoffs for block, brick, mortar and grout, rebar quantities, waste factors, and reading masonry plans and elevations.

30%

Unit Masonry

18 of 60 items. CMU and clay brick units, bond patterns, face shell bedding, joint tooling, cavity and veneer walls, lintels, arches, movement joints, and stone masonry.

22%

Mortar and Grout

13 of 60 items. ASTM C270 mortar types and proportions, retempering limits, ASTM C476 grout, slump, low-lift and high-lift grouting, cleanouts, and consolidation.

17%

Accessories and Specialties

10 of 60 items. Reinforcing steel, joint reinforcement, veneer anchors and ties, flashing and weeps, anchor bolts, and embedded specialty items.

Tools

5 of 60 items. Layout and leveling tools including batter boards, story poles, mason's line, trowels, jointers, saws, and mixing equipment.

Restoration and Cleaning

3 of 60 items. Efflorescence, acid and proprietary cleaners, pre-wetting, repointing, and repair of existing masonry.

10%

Safety

6 of 60 items. OSHA 29 CFR 1926 requirements including the masonry limited access zone, wall bracing, scaffolds, excavation protection, rebar impalement, and silica controls.

How to Pass the AZ ROC CR-31 Masonry Exam

What You Need to Know

Passing score: 70%
Exam length: 60 questions
Time limit: 150 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 CR-31 Masonry Study Tips from Top Performers

1Master CMU estimating formulas: multiply total wall surface area (sq ft) by 1.125 to determine the baseline number of 8x8x16 nominal CMU blocks before waste.

2Memorize ASTM C270 mortar types: Type M (high strength 2,500 psi), Type S (high flexural bond 1,800 psi), Type N (general exterior veneer 750 psi), and Type O (non-load-bearing interior 350 psi). Remember the mnemonic 'M-a-S-o-N-w-O-r-K'.

3Know grout requirements per ASTM C476: required slump is 8 to 11 inches to flow into core voids without segregating. Use coarse grout when grout space width is 2 inches or larger.

4Understand TMS 402 rebar lap splices: minimum lap length is l_d = 0.002 d_b f_y, but never less than 12 inches or 48 bar diameters.

5Memorize OSHA 1926 Subpart Q rules: Limited Access Zone width equals the height of the wall plus 4 feet. Temporary bracing is required for any unsupported masonry wall over 8 feet tall until permanent lateral support is installed.

Frequently Asked Questions

How many questions are on the official Arizona ROC CR-31 Masonry exam?

The official PSI CR-31 Masonry content outline lists 60 multiple-choice questions with 150 minutes allowed.

What passing score is required for the AZ ROC CR-31 exam?

A minimum passing score of 70% (42 correct out of 60 questions) is required to pass the trade exam.

Is the Arizona ROC CR-31 Masonry exam open book?

Yes, the examination is open-book. Approved references (such as TMS 402/602, Modern Masonry, Concrete Masonry Handbook, and OSHA 29 CFR 1926) may be brought into the PSI test center.

What topics carry the highest weight on the exam?

Unit Masonry carries the highest weight at 18 of 60 items (30%), followed by Mortar and Grout at 13 items (22%) and Accessories and Specialties at 10 items (17%).

Where can I schedule the AZ ROC CR-31 Masonry exam?

Examinations are scheduled online through PSI Services LLC at https://test-takers.psiexams.com/azcon or by phone with PSI candidate services.

100+ Free AZ ROC CR-31 Masonry Practice Questions

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