Class B Exam Practice Questions And

Arizona General Commercial Contractor (Class B) Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• A Class B contractor in Arizona is required to maintain which type of

insurance?

• Health insurance
• Liability insurance
• Workers’ compensation insurance
• Vehicle insurance

Rationale: Class B contractors must have workers’ compensation

insurance for employees to comply with state law and protect against workplace injuries. 1 / 4

• When a contractor is paid a deposit exceeding $1,000 for home

improvements, Arizona law requires:

• Full completion of work before using funds
• A written contract
• Only verbal agreement
• No requirement

Rationale: Arizona statutes require a written contract for deposits

over $1,000 to protect both parties and clearly define scope and payment terms.

3. The purpose of a building permit is to:

• Increase construction costs
• Ensure compliance with building codes
• Guarantee project completion
• Avoid inspections

Rationale: Permits ensure that construction adheres to safety,

zoning, and structural regulations.

4. In Arizona, the Arizona Registrar of Contractors oversees:

• Federal construction projects
• Tax collection
• Licensing and regulation of contractors
• Insurance policies

Rationale: The Registrar of Contractors licenses, regulates, and

enforces compliance for contractors in the state. 2 / 4

• Which of the following materials is considered combustible?
• Concrete
• Steel
• Wood
• Brick

Rationale: Wood is combustible and must be treated or used with fire

safety precautions.

• What is the standard slope for residential roof drainage?
• 1/16 inch per foot
• 1/4 inch per foot
• 1 inch per foot
• 1/2 inch per foot

Rationale: The typical minimum slope for proper roof drainage in

residential construction is 1/4 inch per foot.

7. OSHA requires fall protection for workers at heights of:

• 2 feet
• 4 feet
• 6 feet
• 10 feet

Rationale: OSHA mandates fall protection for construction workers

at 6 feet or higher to prevent injuries.

8. The term “liquidated damages” refers to:

• Cash payment at project start 3 / 4

• Contractor’s profit
• Pre-determined damages for project delays
• Insurance claims

Rationale: Liquidated damages are a contractual method to

compensate the owner for delays without proving actual loss.

9. The proper sequence of construction scheduling is:

• Framing → Site Prep → Foundation → Finishing
• Site Prep → Foundation → Framing → Finishing
• Foundation → Finishing → Framing → Site Prep
• Framing → Finishing → Site Prep → Foundation

Rationale: Construction starts with site preparation, followed by

foundation, structural framing, and then finishing work.

• A contractor discovers underground electrical lines during

excavation. What is the first action?

• Continue digging
• Notify the owner
• Stop work and contact utility company
• Use alternative tools

Rationale: Safety regulations require stopping work and notifying

utilities to prevent hazards.

11. The primary purpose of a lien is to:

• Reduce taxes
• Secure payment for labor or materials
• / 4