100+ Free MA Boiler Operator Practice Questions
Pass your Massachusetts Stationary Engineer / Boiler Operator License Exam exam on the first try — instant access, no signup required.
Loading questions...
Key Facts: MA Boiler Operator Exam
$50
Exam Fee
MA Dept of Public Safety
5 License Types
Engineer + Fireman
MA Boiler and Pressure Vessel Program
70%
Passing Score
MA exam requirements
100
Practice Questions
OpenExamPrep question bank
The Massachusetts boiler operator exam is administered directly by the Department of Public Safety through the Boiler and Pressure Vessel Program — not a third-party testing company. Massachusetts issues four engineer grades (1st through 4th Class) plus fireman licenses. The exam fee is $50 per attempt. The 1st Class engineer license authorizes operation of any boiler plant. Power boilers require annual inspection. Massachusetts has some of the strictest boiler licensing requirements in the country.
About the MA Boiler Operator Exam
Massachusetts boiler operator licensing exam administered directly by the Department of Public Safety, Boiler and Pressure Vessel Program. Massachusetts has strict licensing grades including 1st through 4th Class engineer and fireman licenses. The $50 exam covers boiler operations, safety devices, water treatment, combustion, maintenance, and Massachusetts-specific regulations.
Questions
100 scored questions
Time Limit
2 hours
Passing Score
70%
Exam Fee
$50 (Massachusetts Department of Public Safety, Boiler and Pressure Vessel Program)
MA Boiler Operator Exam Content Outline
Boiler Operations & Combustion
Startup/shutdown procedures, combustion efficiency, air-to-fuel ratio, draft systems, and operating controls
Safety Devices & Emergency Procedures
Safety valves, low-water cutoffs, flame safeguards, emergency procedures, and high-limit controls
Water Treatment & Chemistry
Feedwater treatment, pH control, TDS management, oxygen scavenging, scale prevention, and blowdown procedures
Maintenance & Inspections
Boiler maintenance, refractory repair, tube inspections, hydrostatic testing, and lay-up procedures
Massachusetts Regulations & Licensing
MA engineer and fireman license grades, experience requirements, Department of Public Safety rules, inspection schedules, and ASME compliance
How to Pass the MA Boiler Operator Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 2 hours
- Exam fee: $50
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
MA Boiler Operator Study Tips from Top Performers
Frequently Asked Questions
How much does the Massachusetts boiler operator exam cost?
The Massachusetts boiler operator licensing examination costs $50 per attempt. This fee is paid to the Department of Public Safety, Boiler and Pressure Vessel Program. Additional costs may include application fees and study materials. The exam is administered directly by the state, not a third-party testing company.
What license grades does Massachusetts issue for boiler operators?
Massachusetts issues four grades of stationary engineer licenses (1st through 4th Class) plus fireman licenses. The 1st Class engineer is the highest grade, authorizing operation of any boiler plant. The fireman license is an entry-level credential for low-pressure boiler operation and assisting licensed engineers.
Who administers the Massachusetts boiler operator exam?
Unlike many states that use third-party testing companies, Massachusetts directly administers boiler operator exams through the Department of Public Safety, Boiler and Pressure Vessel Program. This is part of the state's comprehensive approach to boiler operator competency and safety.
What experience is required for the Massachusetts 4th Class engineer license?
The Massachusetts 4th Class engineer license requires a minimum period of practical boiler operating experience under a licensed engineer, or equivalent training approved by the Department of Public Safety. Specific requirements are set by the state and ensure hands-on knowledge before testing.