B-1 Practice Test Questions And

Arizona General Commercial Contractor (B-1) Practice Test Questions And Correct Answers (Verified Answers) Plus Rationales 2025 Q&A | Instant Download Pdf

• What is the maximum allowable slope for a trench excavation over 5

feet deep in Type C soil without shoring or shielding?

A. 1/2:1

B. 3/4:1

C. 1.5:1

D. 2:1

The OSHA standard for Type C soil (the least stable) requires a slope

of 1.5:1 (34 degrees) for safe excavation.

• Which document officially transfers ownership of a project from the

contractor to the owner?

• Punch list
• Final inspection report
• Certificate of substantial completion
• Warranty

The certificate of substantial completion marks the point where the owner assumes responsibility, including insurance, for the project. 1 / 3

• According to the Arizona Registrar of Contractors, a commercial

general contractor B-1 license allows work on:

• Single-family residences only
• Any residential structure
• Electrical work only
• Any structure not intended for residential use

B-1 covers commercial projects; residential projects are covered under other classifications like B or B-2.

• When pouring concrete in hot, dry Arizona weather, what should be

done to avoid rapid drying and cracking?

• Add extra sand
• Use curing compound or keep the concrete moist
• Delay finishing
• Use less cement

In arid climates, evaporation is high. Moist curing or compounds help concrete cure properly without cracking.

• Who is responsible for jobsite safety under OSHA regulations?
• OSHA inspector
• Owner
• Employer/Contractor
• Architect

OSHA holds the employer or general contractor responsible for implementing and enforcing safety measures.

• What is the primary purpose of a performance bond?
• Ensure the contractor completes the project
• Guarantee payment to suppliers
• Protect against weather delays
• Reduce labor costs 2 / 3

A performance bond guarantees the owner that the contractor will fulfill contractual obligations.

• What must a contractor in Arizona do before starting any excavation?
• Post a sign
• File a bond
• Contact Arizona 811 (Blue Stake)
• Notify the fire department

Arizona 811 (Blue Stake) must be notified to locate underground utilities before digging.

• Which of the following components is NOT typically included in a

commercial contract?

• Scope of work
• Payment terms
• Change order procedures
• Equipment warranty from suppliers

While equipment warranties may be referenced, they are usually not part of the contract language itself.

• In a commercial construction setting, what is the purpose of a punch

list?

• Identify work that needs correction before final acceptance
• List the subcontractors
• Track employee attendance
• Estimate future work

Punch lists identify incomplete or defective items that must be fixed before final payment.

• Which type of insurance is used to protect against third-party

bodily injury or property damage claims?

• Builder’s risk
• General liability
• / 3