Commercial Contractor Practice
Exam | Questions, Verified
Answers & Detailed Rationales |
Complete Contractor License
Exam Prep Study Guide |
Updated 2026
1. What is the primary scope of an Arizona B-1 General
Commercial Contractor?
A. Only residential remodeling
B. Only electrical construction
C. General commercial construction, alteration, and repair
within the B-1 scope
D. Only highway and bridge construction
Correct Answer: General commercial construction,
alteration, and repair within the B-1 scope
Rationale: The B-1 classification authorizes
construction, alteration, and repair associated with
structures for the support, shelter, and enclosure of
persons, animals, or movable property, subject to the
limitations of the classification.
2. Which trade must generally be subcontracted by a B-
1 contractor when the work requires a separate
specialty license?
A. Painting
B. Electrical
C. Carpentry
D. General framing
,Correct Answer: Electrical
Rationale: Electrical work must be performed by an
appropriately licensed electrical contractor rather than
being performed directly under the B-1 classification.
3. Which document generally establishes the technical
requirements and quality standards for construction
materials?
A. Payroll register
B. Specifications
C. Purchase order only
D. Daily time sheet
Correct Answer: Specifications
Rationale: Specifications establish detailed
requirements for materials, workmanship, installation,
testing, and quality that supplement the construction
drawings.
4. What is the main purpose of construction drawings?
A. To establish employee wages
B. To graphically communicate the design and construction
requirements
C. To replace the contract
D. To determine the contractor's tax rate
Correct Answer: To graphically communicate the design
and construction requirements
Rationale: Drawings communicate dimensions,
locations, details, assemblies, and other information
necessary to construct the project.
5. A drawing scale of 1/4 inch = 1 foot means that 1 inch
on the drawing represents:
,A. 1 foot
B. 2 feet
C. 4 feet
D. 8 feet
Correct Answer: 4 feet
Rationale: Four quarter-inch increments equal one inch,
so one inch represents four feet at a 1/4-inch-to-1-foot
scale.
6. What is the primary purpose of a construction
schedule?
A. To eliminate inspections
B. To coordinate the sequence and timing of project activities
C. To determine building occupancy
D. To replace the specifications
Correct Answer: To coordinate the sequence and timing
of project activities
Rationale: A schedule establishes when activities should
occur and helps coordinate labor, materials, equipment,
subcontractors, inspections, and project milestones.
7. What does a critical path identify?
A. The least expensive materials
B. Activities that determine the minimum project duration
C. Only subcontractor activities
D. The project's insurance premiums
Correct Answer: Activities that determine the minimum
project duration
Rationale: The critical path consists of activities whose
schedule controls the project's overall completion date.
Delays to critical activities can delay the project unless
corrective action is taken.
, 8. What is the primary purpose of a change order?
A. To formally document an authorized change to the contract
work
B. To replace the contractor's license
C. To eliminate all inspections
D. To establish the contractor's bond amount
Correct Answer: To formally document an authorized
change to the contract work
Rationale: A properly authorized change order records
changes in scope, price, time, or other contract
requirements.
9. What is retainage?
A. A type of insurance
B. Money withheld from progress payments until specified
conditions are met
C. A subcontractor's license
D. A material delivery ticket
Correct Answer: Money withheld from progress
payments until specified conditions are met
Rationale: Retainage is commonly withheld from
payments to provide financial protection for completion
and correction of work, subject to the contract and
applicable law.
10. What is the purpose of a bid estimate?
A. To determine the expected cost of performing the work
B. To establish the building's occupancy classification
C. To replace construction plans
D. To determine employee classifications