Construction Trade Exam Research Area

Stationary Engineer - Grade 4

Apply for the License

State Board of Stationary Engineers
500 N. Calvert St., Room 201
Baltimore, MD  21202
Phone: (410) 230-6231
Contractor Licensing Web Site

Exam Administrator

PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas# of
General Knowledge and Problem Solving 20
Basic Electricity 5
Boiler Types and Equipment 5
Burners and Fuel Train 5
Pumps and Valves 5
Inspections and Maintenance 5
Water Treatment 5
Emergency Operations 5
Auxiliary Equipment 5

Total number of test questions: 60
Time allowed (minutes): 120


Books NOT Allowed in the Exam

1. Boiler Operator's Guide, 4th Edition, Anthony L Kohan Buy at Amazon
2. Lessons in Electric Circuits Volume 1 - DC (Chapters 1, 2, 3, 5 & 8), 5th Edition, Tony Kuphalt Web Page Link
3. Lessons in Electric Circuits Volume 2 - AC (Chapter 1), 5th Edition,Tony Kuphalt Web Page Link
4. Maryland Boiler and Pressure Vessel Safety Act, Public Safety Title 12, Subtitle 9, MDDOL Web Page Link
5. Maryland Boiler and Pressure Vessel Safety Regulations, Title 9, Subtitle 12, Chapter 1 of the Maryland Public Safety Regulations Web Page Link
6. Maryland Business Occupations and Professions Article, Title 6.5 (in the look up page choose article "Business Occupations and Professions. In "section" choose "6.5-101") Web Page Link
7. Maryland Code of Regulations (COMAR), Title 9, Subtitle 17 Web Page Link
Study materials are currently NOT available for this exam

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