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ArticleFree HVAC Contractor Practice Test by State 2026: 3,400+ Questions24 min read
Exam Review

Key Facts: OK HVAC Contractor Exam

90

Trade Exam Questions

CIB

75%

Passing Score

CIB

4 hrs

Exam Duration

CIB

$5K

Surety Bond

CIB

4 yrs

Experience Required

3 as journeyman

6 hrs

CE per 36 Months

CIB

Sample OK HVAC Contractor Practice Questions

Try these sample questions to review concepts for the OK HVAC Contractor exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What state agency regulates mechanical contractor licensing in Oklahoma?
A.Oklahoma Department of Labor
B.Oklahoma Construction Industries Board (CIB)
C.Oklahoma Corporation Commission
D.Oklahoma Department of Commerce
Explanation: The Oklahoma Construction Industries Board (CIB) regulates mechanical contractor licensing, including HVAC. CIB issues licenses, administers exams, and enforces compliance with the Mechanical Licensing Act.
2What is the minimum age requirement for an Oklahoma Mechanical Contractor license?
A.18 years
B.19 years
C.21 years
D.25 years
Explanation: Oklahoma requires mechanical contractor applicants to be at least 19 years of age. This is higher than the 18-year minimum in many other states.
3How many years of experience are required for an Oklahoma Mechanical Contractor license?
A.2 years
B.3 years
C.4 years
D.6 years
Explanation: Oklahoma requires at least 4 years of experience in the mechanical trade, including at least 3 years as a journeyman, to qualify for a Mechanical Contractor license.
4What surety bond amount is required for Oklahoma Mechanical Contractors?
A.$2,500
B.$5,000
C.$10,000
D.$25,000
Explanation: Oklahoma requires Mechanical Contractors to carry a $5,000 surety bond as a condition of licensure. This bond protects consumers against financial losses from the contractor's failure to comply with licensing laws.
5How many questions are on the Oklahoma Mechanical Contractor trade exam?
A.60 questions
B.75 questions
C.90 questions
D.100 questions
Explanation: The Oklahoma Mechanical Contractor exam consists of 90 questions with a 240-minute (4-hour) time limit. A score of 75% is required to pass.
6What is the passing score for the Oklahoma Mechanical Contractor exam?
A.65%
B.70%
C.75%
D.80%
Explanation: A minimum score of 75% is required to pass the Oklahoma Mechanical Contractor exam. The exam is open-book with approved references that may be tabbed and highlighted.
7Is the Oklahoma Mechanical Contractor exam open or closed book?
A.Closed book
B.Open book with approved references
C.Computer adaptive
D.Oral examination
Explanation: The Oklahoma Mechanical Contractor exam is open book. Candidates may bring approved reference materials that may be tabbed and highlighted during the exam.
8What is the Oklahoma CIB application fee for a Mechanical Contractor license?
A.$150
B.$230
C.$330
D.$500
Explanation: The Oklahoma CIB charges a $330 application fee for a Mechanical Contractor license. This fee covers processing the application, background check, and initial license issuance.
9What minimum liability insurance is required for Oklahoma Mechanical Contractors?
A.$25,000
B.$50,000
C.$100,000
D.$500,000
Explanation: Oklahoma requires Mechanical Contractors to carry at least $50,000 in liability insurance. This minimum is lower than many other states but must be maintained continuously.
10What continuing education requirement applies to Oklahoma Mechanical Contractors?
A.No CE required
B.6 hours within preceding 36 months of license expiration
C.24 hours annually
D.40 hours per renewal
Explanation: Oklahoma requires all Journeymen and Contractors to complete 6 hours of continuing education within the 36 months preceding their license expiration date. CE courses must be CIB-approved.

About the OK HVAC Contractor Exam

The Oklahoma Mechanical Contractor exam tests knowledge of CIB regulations, $5K surety bond, electrical controls, natural gas, air distribution, refrigeration/AC, heating systems, and safety.

Exam sponsor: Oklahoma Construction Industries Board. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

90 questions

Time Limit

4 hours

Passing Score

75%

Exam / Certification Fees

$330 application fee

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

State Laws & Regulations

CIB licensing, bonding, insurance, permits, and continuing education

30%

Trade Knowledge

Heating, cooling, air distribution, load calculations, and system design

20%

Mechanical Codes

Gas piping, venting, combustion air, equipment installation, and energy code

15%

Safety Regulations

EPA regulations, OSHA, severe weather, and electrical safety

15%

Business Management

Contract law, lien rights, estimating, and business operations

Preparing for the OK HVAC Contractor Exam

What You Need to Know

  • Passing score: 75%
  • Exam length: 90 questions
  • Time limit: 4 hours
  • Exam / certification fees: $330 application fee Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

OK HVAC Contractor: Suggested Study Strategy

1Study Oklahoma CIB regulations including licensing, bonding, and CE requirements
2Learn the six exam topic areas: electrical, gas, air distribution, refrigeration, heating, safety
3Review severe weather considerations for outdoor equipment protection
4Understand Oklahoma's climate zones (3A south, 4A north) for load calculations
5Practice OK lien law (90-day filing deadline) and contract requirements

Frequently Asked Questions

What is the Oklahoma Mechanical Contractor exam?

A 90-question open-book trade exam covering electrical controls, natural gas, air distribution, refrigeration/AC, heating, and safety. A Business and Law exam is also required.

What experience is needed?

4 years of experience with at least 3 years as a journeyman. Minimum age is 19.

What bond and insurance are required?

$5,000 surety bond and $50,000 minimum liability insurance.

What CE is required?

6 hours of approved CE within the 36 months preceding license expiration.