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100+ Free AZ ROC R-22 House Moving Practice Questions

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2026 Statistics

Key Facts: AZ ROC R-22 House Moving Exam

30 Questions

Official Question Count

PSI R-22 content outline

75 Minutes

Time Limit

PSI R-22 content outline

70%

Passing Score

PSI R-22 content outline

Demolition 8 and Structural Moving 8

Largest Subject Areas

PSI R-22 content outline

$66

Trade Exam Fee

roc.az.gov/licensing-fees

$61

Statutes and Rules Exam Fee

roc.az.gov/licensing-fees

The Arizona ROC R-22 House Moving Examination is 30 scored multiple-choice questions in 75 minutes, open book, at a 70% passing score with a $66 PSI exam fee. This free bank is an English-language multiple-choice study aid weighted to the official PSI subject areas; it is not the official exam and does not reproduce PSI items.

Sample AZ ROC R-22 House Moving Practice Questions

Try these sample questions to test your AZ ROC R-22 House Moving exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1When elevating a 120-ton two-story wood-frame building, why is a unified hydraulic jacking system with a single central manifold preferred over independently controlled hand jacks?
A.It allows proportional fluid distribution to maintain a level lift plane and prevent structural racking or twisting.
B.It increases the maximum lifting speed by eliminating internal fluid friction in individual cylinders.
C.It reduces the total force required to lift the building by multiplying hydraulic pressure at each jack.
D.It allows operators to use jacks of different stroke lengths without requiring safety shutoff valves.
Explanation: A unified hydraulic jacking system utilizes a central manifold with flow dividers or independent valve controls to distribute hydraulic fluid uniformly across all points. This ensures all jacking points rise at the exact same rate, keeping the structure level and preventing differential movement that causes structural racking, drywall cracking, or frame twist.
2Under standard structural moving safety practices, what is the maximum recommended height-to-width ratio for a standard temporary wooden cribbing tower without external guy wires or mechanical stabilization?
A.3:1
B.5:1
C.2:1
D.4:1
Explanation: The maximum safe height-to-width ratio for temporary box cribbing towers is 3:1 (height to short-side base width). If a crib stack is built using 4-foot long timbers (giving a 4-foot base width), the maximum height without additional stabilization or tying is 12 feet.
3A structural mover constructs a standard 2x2 box crib tower using sound 6x6 inch (nominal) hardwood timbers (actual dimensions 5.5 in x 5.5 in). If the allowable compression stress perpendicular to the grain for the wood species is 500 psi, what is the safe working load capacity of the cribbing tower based on the 4 bearing contact points?
A.60,500 lbs (approx. 30.25 tons)
B.121,000 lbs (approx. 60.5 tons)
C.30,250 lbs (approx. 15.1 tons)
D.90,750 lbs (approx. 45.4 tons)
Explanation: Calculate contact area per bearing junction: 5.5 inches x 5.5 inches = 30.25 sq in. A standard 2x2 box crib (2 timbers parallel per layer) creates 4 contact points per layer interface. Total bearing area = 4 x 30.25 sq in = 121 sq in. Safe load capacity = 121 sq in x 500 psi = 60,500 lbs (30.25 tons).
4An R-22 contractor is estimating the weight of a single-story 30 ft by 50 ft wood-frame residence with plaster walls, hardwood flooring, and an asphalt-shingled gable roof. Using a standard structural moving rule of thumb of 60 lbs per square foot of floor area for plaster wood-frame construction, what is the total estimated weight of the house frame?
A.90,000 lbs (45 tons)
B.150,000 lbs (75 tons)
C.60,000 lbs (30 tons)
D.120,000 lbs (60 tons)
Explanation: Floor area = 30 ft x 50 ft = 1,500 sq ft. Estimated weight = 1,500 sq ft x 60 lbs/sq ft = 90,000 lbs. Dividing by 2,000 lbs/ton gives 45 tons.
5A house moving crew is using four hydraulic rams to lift a total building load of 160,000 lbs. Each ram has an effective piston area of 7.07 square inches. Assuming the weight is equally distributed among all four rams, what hydraulic pressure (PSI) must the pump supply to hold the load?
A.5,658 PSI
B.22,631 PSI
C.3,536 PSI
D.11,315 PSI
Explanation: First find the load per ram: 160,000 lbs / 4 rams = 40,000 lbs per ram. Hydraulic pressure P = Force / Area = 40,000 lbs / 7.07 sq in = 5,657.7 PSI, which rounds to 5,658 PSI.
6A steel needle beam supports a concentrated point load of 30,000 lbs at the center of a 20-foot span between support cribs. What is the maximum bending moment induced in the beam by this load?
A.150,000 lb-ft
B.300,000 lb-ft
C.600,000 lb-ft
D.75,000 lb-ft
Explanation: For a simple beam with a single center point load P over span L, Maximum Bending Moment M = (P x L) / 4. Here, M = (30,000 lbs x 20 ft) / 4 = 600,000 / 4 = 150,000 lb-ft.
7If a steel needle beam experiences a maximum bending moment of 180,000 lb-ft (2,160,000 lb-in) and the allowable bending stress for ASTM A36 steel in temporary loading is 24,000 psi, what is the minimum required Section Modulus (S) of the steel beam?
A.90.0 in³
B.7.5 in³
C.180.0 in³
D.45.0 in³
Explanation: Required Section Modulus S = Bending Moment (M in lb-in) / Allowable Bending Stress (Fb in psi). Convert moment to lb-in: 180,000 lb-ft x 12 in/ft = 2,160,000 lb-in. S = 2,160,000 lb-in / 24,000 psi = 90.0 in³.
8What is the primary function of cross beams (runner beams) when placed beneath needle main beams during a structural move?
A.To collect loads from multiple needle beams and transfer them onto transport dollies or crib towers.
B.To prevent lateral expansion of exterior foundation walls during lift setup.
C.To serve as temporary diagonal bracing for the roof truss assemblies.
D.To attach the hydraulic steering rams directly to the floor joists.
Explanation: Cross beams (also called longitudinal main girders or runners) run perpendicular beneath the series of transverse needle beams. Their primary purpose is to collect the distributed loads from all needle beams and concentrate those loads onto the transport dollies or cribbing stacks.
9A house mover uses 4 transport dollies to move an 80-ton building structure. Each dolly is equipped with 4 dual-wheel axles (8 tires per dolly). What is the average load supported by each individual tire?
A.5,000 lbs
B.10,000 lbs
C.20,000 lbs
D.2,500 lbs
Explanation: Total weight = 80 tons x 2,000 lbs/ton = 160,000 lbs. Total tires across 4 dollies = 4 dollies x 8 tires/dolly = 32 tires. Load per tire = 160,000 lbs / 32 tires = 5,000 lbs.
10Why are multi-axle heavy transport dollies designed with interconnected hydraulic suspension cylinders (hydraulic equalization)?
A.To automatically distribute weight evenly across all tires when traveling over uneven road surfaces or dips.
B.To allow individual wheels to lock automatically if a tire blowout occurs.
C.To increase the towing speed of the transport tractor beyond highway limits.
D.To eliminate the need for steering linkages on rear dollies.
Explanation: Hydraulic equalization connects suspension cylinders across axles so fluid flows between cylinders when one axle crosses a bump or dip. This maintains equal tire loading across all axles, preventing overload on individual tires or frame racking during transit.

About the AZ ROC R-22 House Moving Exam

The Arizona ROC R-22 House Moving Examination is the open-book, computer-delivered PSI trade exam for the Arizona Registrar of Contractors R-22 classification. The classification allows the licensee to disconnect utilities, but connection of utilities and construction of foundations are not permitted. The official outline runs 30 scored questions in 75 minutes at a 70% passing score: Demolition of Associated Structures 8, Structural Moving 8, Safety of Work Areas 6, Hazardous Materials 4, and OSHA Safety 4.

Assessment

One 30-question open-book multiple-choice trade examination, 75 minutes, 70% to pass, across five subject areas: Demolition of Associated Structures 8, Structural Moving 8, Safety of Work Areas 6, Hazardous Materials 4, and OSHA Safety 4.

Time Limit

75 minutes

Passing Score

70%

Exam Fee

$66 (Arizona ROC / PSI Services LLC)

AZ ROC R-22 House Moving Exam Content Outline

26.7%

Demolition of Associated Structures

Detaching porches, decks, chimneys, garages and slabs, sill-plate and anchor-bolt release, OSHA Subpart T engineering survey and top-down demolition, and bracing structures left in place.

26.7%

Structural Moving

Needle and carrying beam selection and placement, unified hydraulic jacking, box cribbing and wedging, center-of-gravity control, transport dollies and steering, and route clearances.

20%

Safety of Work Areas (Guards, Canopies, Catch Platforms, and Utilities)

Site guarding, canopies and catch platforms, open foundation protection, Arizona 811 locates and tolerance zone, overhead line clearances, and ADOT oversize permits and escorts.

13.3%

Hazardous Materials

Asbestos NESHAP inspection, notification and disposal, lead RRP and OSHA lead exposure limits, PCB ballasts and mercury devices, underground storage tanks, and Maricopa County dust rules.

13.3%

OSHA Safety

29 CFR 1926 rigging inspection and sling loading, fall protection and anchorages, excavation soil classification and protective systems, hard hats and PPE, and hydraulic injection hazards.

How to Pass the AZ ROC R-22 House Moving Exam

What You Need to Know

  • Passing score: 70%
  • Assessment: One 30-question open-book multiple-choice trade examination, 75 minutes, 70% to pass, across five subject areas: Demolition of Associated Structures 8, Structural Moving 8, Safety of Work Areas 6, Hazardous Materials 4, and OSHA Safety 4.
  • Time limit: 75 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 R-22 House Moving Study Tips from Top Performers

1Demolition of Associated Structures and Structural Moving are 8 items each - together they are more than half the exam.
2Read the IASM Procedural Guidelines for Structural Movers and Steps to Elevation white paper; they are the only structural-moving-specific references PSI lists.
3Arizona-specific rules recur: Arizona 811 two-working-day notice, the 24-inch tolerance zone, and ADOT oversize limits of 8 ft 6 in wide and 13 ft 6 in high.
4Know OSHA clearance distances from energized lines - 10 ft up to 50 kV, 15 ft over 50 to 200 kV, 20 ft over 200 to 350 kV.
5Hazardous Materials is 4 items: asbestos NESHAP notification, the pre-1978 lead RRP rule, PCB ballasts and mercury devices.

Frequently Asked Questions

How many questions are on the Arizona ROC R-22 House Moving exam?

The PSI R-22 content outline lists 30 scored multiple-choice questions with 75 minutes of testing time and a 70% passing score.

What work does the R-22 classification allow?

R-22 allows the licensee to disconnect utilities in the course of moving a structure. Connecting utilities and constructing foundations are not permitted under R-22 and must be performed by an appropriately licensed contractor.

Which references may I bring to the R-22 exam?

PSI lists the Arizona 811 Blue Stake brochure, Arizona Administrative Code Title 18 Chapter 9, Arizona Contractor Licensing Law Title 32 Chapter 10, 29 CFR Part 1926, the Demolition Safety Manual, the IASM Procedural Guidelines for Structural Movers, and the IASM Steps to Elevation white paper.

Does the R-22 exam cover demolition?

Yes. Demolition of Associated Structures is the joint-largest area at 8 of 30 items, covering detachment of porches, chimneys, garages and slabs and OSHA Subpart T demolition requirements.

How much does the R-22 exam cost?

The trade exam fee is $66 paid to PSI, plus $61 for the mandatory Arizona Statutes and Rules Training Course and Exam paid to Gmetrix.