100+ Free OH Boiler Operator Practice Questions
Pass your Ohio High Pressure Boiler Operator Licensing Exam exam on the first try — instant access, no signup required.
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Key Facts: OH Boiler Operator Exam
70%
Passing Score
OH State Fire Marshal
700 hours
Experience Required
OH State Fire Marshal
75-hour
Training Course Credit
OH State Fire Marshal
100
Practice Questions
OpenExamPrep
Ohio requires boiler operators to have 700 hours of experience plus pass a state-administered exam through the Division of State Fire Marshal. A 75-hour approved training course provides credit toward the experience requirement. Multiple license grades are available including High Pressure, Low Pressure, and Hobby/Historical Boiler Operator. Ohio follows the ASME Boiler and Pressure Vessel Code.
About the OH Boiler Operator Exam
The Ohio Boiler Operator exam is administered by the Department of Commerce, Division of State Fire Marshal. Ohio requires 700 hours of experience operating or maintaining a high-pressure boiler, with credit available through a state-approved 75-hour training course. The exam tests knowledge of boiler operation, safety, water treatment, combustion, and Ohio-specific regulations. Multiple license grades are available.
Questions
100 scored questions
Time Limit
2 hours
Passing Score
70%
Exam Fee
Varies by license grade (OH Dept of Commerce, Division of State Fire Marshal)
OH Boiler Operator Exam Content Outline
Boiler Operations
Startup, shutdown, combustion control, steam systems, and efficiency
Boiler Safety
Safety valves, LWCO, emergency procedures, flame safeguards, and BMS
Water Treatment
Feedwater chemistry, blowdown, pH control, and corrosion prevention
Maintenance & Inspection
Daily inspections, tube maintenance, refractory, and hydrostatic testing
OH Regulations
State Fire Marshal licensing, 700-hour requirement, 75-hour course, and ASME adoption
How to Pass the OH Boiler Operator Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 2 hours
- Exam fee: Varies by license grade
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
OH Boiler Operator Study Tips from Top Performers
Frequently Asked Questions
How much experience is needed for an Ohio boiler operator license?
Ohio requires 700 hours of experience operating or maintaining a high-pressure boiler. Candidates can also earn credit toward this requirement by completing an approved 75-hour training course offered through the Division of State Fire Marshal.
What is the 75-hour training course in Ohio?
The 75-hour training course is approved by the Division of State Fire Marshal and covers boiler theory, operation, safety, and maintenance. Completing this course provides credit toward the 700-hour experience requirement and helps candidates prepare for the licensing exam.
What license grades does Ohio offer?
Ohio offers multiple boiler operator license grades through the Division of State Fire Marshal, including High Pressure Boiler Operator, Low Pressure Boiler Operator, and Hobby/Historical Boiler Operator. Each grade has specific experience and exam requirements.
How often are boilers inspected in Ohio?
High-pressure boilers in Ohio are generally inspected annually by state-commissioned inspectors or authorized insurance company inspectors. The Division of State Fire Marshal oversees the inspection program and issues operating certificates.