Arizona AZ B General Residential
Contractor Practice Exam |
Questions, Verified Answers &
Detailed Rationales | Complete
Contractor License Exam Prep
Study Guide | Updated 2026
1. What is the primary purpose of the Arizona Registrar of
Contractors (ROC)?
A. To set mortgage interest rates
B. To license and regulate contractors
C. To issue building permits for every municipality
D. To perform all residential inspections
Answer: B. To license and regulate contractors
Rationale: The Arizona Registrar of Contractors licenses
and regulates contractors and administers applicable
contractor licensing requirements.
2. Which Arizona residential classification generally covers a
contractor performing broad residential construction work?
A. R-60
B. R-62
C. B General Residential Contractor
D. R-34
Answer: C. B General Residential Contractor
Rationale: The B classification is the General Residential
Contractor classification and covers broad residential
construction within its authorized scope.
3. Which item is generally the responsibility of the contractor
before beginning work?
,A. Obtaining required permits and complying with applicable
codes
B. Setting the homeowner's property tax rate
C. Establishing the utility company's rates
D. Issuing the homeowner's insurance policy
Answer: A. Obtaining required permits and complying
with applicable codes
Rationale: Contractors must determine applicable
permit requirements and perform work in compliance
with applicable laws, codes, and regulations.
4. Why should a contractor verify the plans and
specifications before submitting a bid?
A. To eliminate the need for a contract
B. To identify scope, quantities, conflicts, and requirements
C. To avoid paying subcontractors
D. To guarantee material prices indefinitely
Answer: B. To identify scope, quantities, conflicts, and
requirements
Rationale: Reviewing plans and specifications before
bidding helps identify the work required and reduces
omissions, conflicts, and unexpected costs.
5. What is the best description of a construction change
order?
A. A verbal promise to finish sooner
B. A written modification to the contract scope, price, or time
C. A building permit
D. A supplier invoice
Answer: B. A written modification to the contract scope,
price, or time
Rationale: A properly documented change order
establishes the agreed change to the original contract
and should address affected cost and schedule.
, 6. A contractor estimates direct labor at $20,000 and direct
materials at $35,000. What are the direct costs?
A. $15,000
B. $35,000
C. $55,000
D. $70,000
Answer: C. $55,000
Rationale: Direct costs are $20,000 + $35,000 =
$55,000.
7. What is overhead?
A. Only material waste
B. General business expenses that cannot be assigned directly
to one job
C. Only employee wages
D. The customer's down payment
Answer: B. General business expenses that cannot be
assigned directly to one job
Rationale: Office rent, administrative expenses,
insurance, accounting, and similar business costs are
commonly treated as overhead.
8. A contractor has $80,000 in direct job costs and wants a
25% markup on cost. What selling price results?
A. $90,000
B. $96,000
C. $100,000
D. $105,000
Answer: C. $100,000
Rationale: A 25% markup is $80,000 × 0.25 = $20,000,
producing a selling price of $100,000.
9. What is the difference between markup and gross profit
margin?
, A. They are always identical
B. Markup is based on cost, while margin is based on selling
price
C. Margin is always based on labor only
D. Markup is based only on materials
Answer: B. Markup is based on cost, while margin is
based on selling price
Rationale: Markup is the amount added to cost; gross
profit margin expresses gross profit as a percentage of
the selling price.
10. Which document typically establishes the agreed
scope, price, and obligations of the parties?
A. Purchase order only
B. Construction contract
C. Material safety data sheet
D. Inspection sticker
Answer: B. Construction contract
Rationale: The construction contract establishes the
contractual relationship and should clearly identify the
work and obligations of the parties.
11. Why should allowances be clearly identified in a
residential contract?
A. They eliminate all changes
B. They identify amounts reserved for items whose final cost or
selection may not yet be known
C. They replace the need for plans
D. They guarantee subcontractor prices
Answer: B. They identify amounts reserved for items
whose final cost or selection may not yet be known
Rationale: Allowances provide a stated budget for items
such as fixtures or finishes that may be selected later.
Contractor Practice Exam |
Questions, Verified Answers &
Detailed Rationales | Complete
Contractor License Exam Prep
Study Guide | Updated 2026
1. What is the primary purpose of the Arizona Registrar of
Contractors (ROC)?
A. To set mortgage interest rates
B. To license and regulate contractors
C. To issue building permits for every municipality
D. To perform all residential inspections
Answer: B. To license and regulate contractors
Rationale: The Arizona Registrar of Contractors licenses
and regulates contractors and administers applicable
contractor licensing requirements.
2. Which Arizona residential classification generally covers a
contractor performing broad residential construction work?
A. R-60
B. R-62
C. B General Residential Contractor
D. R-34
Answer: C. B General Residential Contractor
Rationale: The B classification is the General Residential
Contractor classification and covers broad residential
construction within its authorized scope.
3. Which item is generally the responsibility of the contractor
before beginning work?
,A. Obtaining required permits and complying with applicable
codes
B. Setting the homeowner's property tax rate
C. Establishing the utility company's rates
D. Issuing the homeowner's insurance policy
Answer: A. Obtaining required permits and complying
with applicable codes
Rationale: Contractors must determine applicable
permit requirements and perform work in compliance
with applicable laws, codes, and regulations.
4. Why should a contractor verify the plans and
specifications before submitting a bid?
A. To eliminate the need for a contract
B. To identify scope, quantities, conflicts, and requirements
C. To avoid paying subcontractors
D. To guarantee material prices indefinitely
Answer: B. To identify scope, quantities, conflicts, and
requirements
Rationale: Reviewing plans and specifications before
bidding helps identify the work required and reduces
omissions, conflicts, and unexpected costs.
5. What is the best description of a construction change
order?
A. A verbal promise to finish sooner
B. A written modification to the contract scope, price, or time
C. A building permit
D. A supplier invoice
Answer: B. A written modification to the contract scope,
price, or time
Rationale: A properly documented change order
establishes the agreed change to the original contract
and should address affected cost and schedule.
, 6. A contractor estimates direct labor at $20,000 and direct
materials at $35,000. What are the direct costs?
A. $15,000
B. $35,000
C. $55,000
D. $70,000
Answer: C. $55,000
Rationale: Direct costs are $20,000 + $35,000 =
$55,000.
7. What is overhead?
A. Only material waste
B. General business expenses that cannot be assigned directly
to one job
C. Only employee wages
D. The customer's down payment
Answer: B. General business expenses that cannot be
assigned directly to one job
Rationale: Office rent, administrative expenses,
insurance, accounting, and similar business costs are
commonly treated as overhead.
8. A contractor has $80,000 in direct job costs and wants a
25% markup on cost. What selling price results?
A. $90,000
B. $96,000
C. $100,000
D. $105,000
Answer: C. $100,000
Rationale: A 25% markup is $80,000 × 0.25 = $20,000,
producing a selling price of $100,000.
9. What is the difference between markup and gross profit
margin?
, A. They are always identical
B. Markup is based on cost, while margin is based on selling
price
C. Margin is always based on labor only
D. Markup is based only on materials
Answer: B. Markup is based on cost, while margin is
based on selling price
Rationale: Markup is the amount added to cost; gross
profit margin expresses gross profit as a percentage of
the selling price.
10. Which document typically establishes the agreed
scope, price, and obligations of the parties?
A. Purchase order only
B. Construction contract
C. Material safety data sheet
D. Inspection sticker
Answer: B. Construction contract
Rationale: The construction contract establishes the
contractual relationship and should clearly identify the
work and obligations of the parties.
11. Why should allowances be clearly identified in a
residential contract?
A. They eliminate all changes
B. They identify amounts reserved for items whose final cost or
selection may not yet be known
C. They replace the need for plans
D. They guarantee subcontractor prices
Answer: B. They identify amounts reserved for items
whose final cost or selection may not yet be known
Rationale: Allowances provide a stated budget for items
such as fixtures or finishes that may be selected later.
