ARIZONA A-4 DRILLING
CONTRACTOR LICENSE EXAM
2026/2027 | 300 REAL QUESTIONS &
VERIFIED ANSWERS WITH
RATIONALES | ALREADY GRADED
A+ | INSTANT PDF DOWNLOAD
Section 1: A-4 License Scope & ROC Regulations (Questions 1-
40)
1. According to Arizona law, who is required to possess an A-4 Drilling
Contractor license?
A. Any person who operates a drilling rig on their own property.
B. Any business or individual that contracts to drill, bore, or deepen a water well.
C. Only pump installers.
D. Employees of a drilling company working under supervision.
B. Any business or individual that contracts to drill, bore, or deepen a water well.
RATIONALE: Under Arizona Revised Statutes §45-601, any person or business that
contracts to drill, bore, or deepen a water well must be licensed as a drilling contractor.
Employees working under a licensed contractor are not required to hold an individual
license.
2. What is the primary purpose of a drilling contractor license classification in
Arizona?
A. To regulate property ownership
B. To control material pricing
C. To ensure contractors meet required skill and safety standards
D. To eliminate competition
C. To ensure contractors meet required skill and safety standards. RATIONALE: Arizona
contractor classifications help ensure that licensed contractors have the knowledge,
experience, and qualifications necessary to perform specialized construction work safely
and legally.
,3. Under the Arizona A-4 Drilling classification (AAC R4-9-102), licensees are
permitted to perform all of the following EXCEPT:
A. Abandoning wells
B. Constructing monitor wells
C. Piers and foundations erection
D. Repairing pumps and pumping equipment
C. Piers and foundations erection. RATIONALE: A-4 covers drilling or boring wells
(water, gas, oil), constructing/repairing dry or monitor wells, rigs, substructures, and
pumps—but does not include piers and foundations, which falls under the A-7
classification.
4. Horizontal drilling under the A-4 classification includes which of the
following?
A. Installing oil surfacing
B. Horizontal boring for utility installation
C. Constructing swimming pools
D. Trenching
B. Horizontal boring for utility installation. RATIONALE: A-4 includes both horizontal
and vertical drilling/boring; horizontal boring is in scope, while surfacing, pools, and
trenching belong to other license classifications.
5. The erection of rigs, derricks, and related substructures is permitted under
which license?
A. A-4
B. A-5
C. B-1
D. C-53
A. A-4. RATIONALE: The A-4 classification explicitly includes the erection of rigs,
derricks, and related substructures as part of its scope of work.
6. Which activity below is outside the A-4 scope but within the A-5
classification?
A. Boring a test well
B. Constructing a monitor well
C. Compacting soil for an oil-surfaced road
D. Repairing pump systems
C. Compacting soil for an oil-surfaced road. RATIONALE: Soil compaction and oil
surfacing are part of the A-5 Excavating, Grading and Oil Surfacing scope—not drilling
operations under A-4.
7. What is the primary regulatory authority governing water well drilling in
Arizona?
A. Arizona Department of Environmental Quality (ADEQ)
B. Arizona Corporation Commission
,C. Arizona Department of Water Resources (ADWR)
D. Arizona State Mine Inspector
C. Arizona Department of Water Resources (ADWR). RATIONALE: The Arizona
Department of Water Resources is the primary state agency responsible for regulating
water well drilling, construction, and permitting in Arizona.
8. What is the primary purpose of a "Notice of Intent to Drill" (NOI) in Arizona?
A. To inform the neighbors of noise.
B. To obtain legal authorization from the ADWR before beginning any well
construction.
C. To register the drilling rig for highway use.
D. To apply for an electrical permit for the pump.
B. To obtain legal authorization from the ADWR before beginning any well
construction. RATIONALE: In Arizona, the ADWR must approve an NOI (55-number) to
ensure the well location and purpose comply with state water management laws.
9. Which agency regulates drilling contractors in Arizona?
A. Arizona Department of Water Resources (ADWR)
B. Arizona Registrar of Contractors (ROC)
C. Arizona Department of Environmental Quality (ADEQ)
D. Arizona Corporation Commission
B. Arizona Registrar of Contractors (ROC). RATIONALE: The Arizona Registrar of
Contractors is the state agency responsible for licensing and regulating contractors,
including drilling contractors.
10. What is the role of the Arizona Registrar of Contractors (ROC) in A-4
licensing?
A. They have no role in A-4 licensing
B. They issue well drilling permits
C. They administer the contractor license exams and issue licenses
D. They regulate water rights
C. They administer the contractor license exams and issue licenses. RATIONALE: The
ROC administers the licensing exams, reviews experience requirements, and issues
contractor licenses in Arizona.
11. What is the minimum experience requirement for the A-4 Drilling license?
A. 1 year
B. 2 years
C. 4 years
D. 10 years
C. 4 years. RATIONALE: The Arizona Registrar of Contractors requires 4 years of
verifiable hands-on or managerial experience for the A-4 Drilling license.
, 12. Which two exams are required for the A-4 Drilling license?
A. Business Management (B) + ADWR Trade Exam (W)
B. Statutes and Rules + Trade Exam
C. Business Law + Safety Exam
D. General Engineering + Drilling Exam
A. Business Management (B) + ADWR Trade Exam (W). RATIONALE: Applicants for the
A-4 Drilling license must pass both the Business Management exam and the ADWR
Trade exam.
13. What is the passing score for the A-4 Drilling trade exam?
A. 60%
B. 70%
C. 80%
D. 90%
B. 70%. RATIONALE: The passing score for the A-4 Drilling exam is 70%.
14. How many scored questions are on the A-4 Drilling trade exam?
A. 30
B. 50
C. 75
D. 100
A. 30. RATIONALE: The A-4 Drilling Examination consists of 30 scored multiple-choice
questions.
15. What is the time limit for the A-4 Drilling exam?
A. 45 minutes
B. 60 minutes
C. 75 minutes
D. 120 minutes
C. 75 minutes. RATIONALE: The A-4 Drilling exam has a 75-minute time limit.
16. Is the A-4 Drilling exam open book?
A. Yes
B. No
C. Only for the statutes portion
D. Only for the trade portion
A. Yes. RATIONALE: The A-4 Drilling exam is an open-book exam, allowing candidates
to reference approved materials.
17. What is the exam fee for the A-4 Drilling exam?
A. $33
B. $66
C. $100
CONTRACTOR LICENSE EXAM
2026/2027 | 300 REAL QUESTIONS &
VERIFIED ANSWERS WITH
RATIONALES | ALREADY GRADED
A+ | INSTANT PDF DOWNLOAD
Section 1: A-4 License Scope & ROC Regulations (Questions 1-
40)
1. According to Arizona law, who is required to possess an A-4 Drilling
Contractor license?
A. Any person who operates a drilling rig on their own property.
B. Any business or individual that contracts to drill, bore, or deepen a water well.
C. Only pump installers.
D. Employees of a drilling company working under supervision.
B. Any business or individual that contracts to drill, bore, or deepen a water well.
RATIONALE: Under Arizona Revised Statutes §45-601, any person or business that
contracts to drill, bore, or deepen a water well must be licensed as a drilling contractor.
Employees working under a licensed contractor are not required to hold an individual
license.
2. What is the primary purpose of a drilling contractor license classification in
Arizona?
A. To regulate property ownership
B. To control material pricing
C. To ensure contractors meet required skill and safety standards
D. To eliminate competition
C. To ensure contractors meet required skill and safety standards. RATIONALE: Arizona
contractor classifications help ensure that licensed contractors have the knowledge,
experience, and qualifications necessary to perform specialized construction work safely
and legally.
,3. Under the Arizona A-4 Drilling classification (AAC R4-9-102), licensees are
permitted to perform all of the following EXCEPT:
A. Abandoning wells
B. Constructing monitor wells
C. Piers and foundations erection
D. Repairing pumps and pumping equipment
C. Piers and foundations erection. RATIONALE: A-4 covers drilling or boring wells
(water, gas, oil), constructing/repairing dry or monitor wells, rigs, substructures, and
pumps—but does not include piers and foundations, which falls under the A-7
classification.
4. Horizontal drilling under the A-4 classification includes which of the
following?
A. Installing oil surfacing
B. Horizontal boring for utility installation
C. Constructing swimming pools
D. Trenching
B. Horizontal boring for utility installation. RATIONALE: A-4 includes both horizontal
and vertical drilling/boring; horizontal boring is in scope, while surfacing, pools, and
trenching belong to other license classifications.
5. The erection of rigs, derricks, and related substructures is permitted under
which license?
A. A-4
B. A-5
C. B-1
D. C-53
A. A-4. RATIONALE: The A-4 classification explicitly includes the erection of rigs,
derricks, and related substructures as part of its scope of work.
6. Which activity below is outside the A-4 scope but within the A-5
classification?
A. Boring a test well
B. Constructing a monitor well
C. Compacting soil for an oil-surfaced road
D. Repairing pump systems
C. Compacting soil for an oil-surfaced road. RATIONALE: Soil compaction and oil
surfacing are part of the A-5 Excavating, Grading and Oil Surfacing scope—not drilling
operations under A-4.
7. What is the primary regulatory authority governing water well drilling in
Arizona?
A. Arizona Department of Environmental Quality (ADEQ)
B. Arizona Corporation Commission
,C. Arizona Department of Water Resources (ADWR)
D. Arizona State Mine Inspector
C. Arizona Department of Water Resources (ADWR). RATIONALE: The Arizona
Department of Water Resources is the primary state agency responsible for regulating
water well drilling, construction, and permitting in Arizona.
8. What is the primary purpose of a "Notice of Intent to Drill" (NOI) in Arizona?
A. To inform the neighbors of noise.
B. To obtain legal authorization from the ADWR before beginning any well
construction.
C. To register the drilling rig for highway use.
D. To apply for an electrical permit for the pump.
B. To obtain legal authorization from the ADWR before beginning any well
construction. RATIONALE: In Arizona, the ADWR must approve an NOI (55-number) to
ensure the well location and purpose comply with state water management laws.
9. Which agency regulates drilling contractors in Arizona?
A. Arizona Department of Water Resources (ADWR)
B. Arizona Registrar of Contractors (ROC)
C. Arizona Department of Environmental Quality (ADEQ)
D. Arizona Corporation Commission
B. Arizona Registrar of Contractors (ROC). RATIONALE: The Arizona Registrar of
Contractors is the state agency responsible for licensing and regulating contractors,
including drilling contractors.
10. What is the role of the Arizona Registrar of Contractors (ROC) in A-4
licensing?
A. They have no role in A-4 licensing
B. They issue well drilling permits
C. They administer the contractor license exams and issue licenses
D. They regulate water rights
C. They administer the contractor license exams and issue licenses. RATIONALE: The
ROC administers the licensing exams, reviews experience requirements, and issues
contractor licenses in Arizona.
11. What is the minimum experience requirement for the A-4 Drilling license?
A. 1 year
B. 2 years
C. 4 years
D. 10 years
C. 4 years. RATIONALE: The Arizona Registrar of Contractors requires 4 years of
verifiable hands-on or managerial experience for the A-4 Drilling license.
, 12. Which two exams are required for the A-4 Drilling license?
A. Business Management (B) + ADWR Trade Exam (W)
B. Statutes and Rules + Trade Exam
C. Business Law + Safety Exam
D. General Engineering + Drilling Exam
A. Business Management (B) + ADWR Trade Exam (W). RATIONALE: Applicants for the
A-4 Drilling license must pass both the Business Management exam and the ADWR
Trade exam.
13. What is the passing score for the A-4 Drilling trade exam?
A. 60%
B. 70%
C. 80%
D. 90%
B. 70%. RATIONALE: The passing score for the A-4 Drilling exam is 70%.
14. How many scored questions are on the A-4 Drilling trade exam?
A. 30
B. 50
C. 75
D. 100
A. 30. RATIONALE: The A-4 Drilling Examination consists of 30 scored multiple-choice
questions.
15. What is the time limit for the A-4 Drilling exam?
A. 45 minutes
B. 60 minutes
C. 75 minutes
D. 120 minutes
C. 75 minutes. RATIONALE: The A-4 Drilling exam has a 75-minute time limit.
16. Is the A-4 Drilling exam open book?
A. Yes
B. No
C. Only for the statutes portion
D. Only for the trade portion
A. Yes. RATIONALE: The A-4 Drilling exam is an open-book exam, allowing candidates
to reference approved materials.
17. What is the exam fee for the A-4 Drilling exam?
A. $33
B. $66
C. $100
