Licensing Exams by Trade Name - Home Link

Washington DC

(313) First Class Stationary Boilers

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District of Columbia
Board of Industrial Trades

1100 4th St SW
Washington, DC  20024
Phone:  (202) 442-4400
Exam Provider
PSI Services LLC
DCOPLA Program

3210 E. Tropicana
Las Vegas, NV 89121
Phone:  (800) 733-2929
Exam Type
Exam Content
Content Areas% of
Turbines, Design Auxiliaries & Operations15
Boiler Operations, Maintenance & Safety9
Waste to Energy Plants & Environmental / Pollution Control7
Water Treatment8
Boiler Combustion & Fuels7
Boiler Accessories & Auxiliary Equipment8
Engineering Calculations7
Controls - Pneumatic & Electronic7
Pumps, Feed, Hydronic, & Condensate Systems8
Refrigeration, Air Conditioning & Cooling Towers8
Boiler Design & Principles8
Total number of test questions:
Time allowed (hours):
Books Allowed in the Exam
Boiler Operator's Workbook, 4th Edition, R. Dean Williams
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Stationary Engineering, 4th Edition, Harold J. Frost, Daryl R. Frederick, M. Steingress
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High Pressure Boilers, 5th Edition, Frederick Steingress, Harold Frost
Buy at Amazon
Steam Plant Operation, 10th Edition, Everett B. Woodruff, Herbert B. Lammers, Thomas F. Lammers
Buy at Amazon
Boiler Operator's Guide, 4th Edition, Anthony L Kohan
Buy at Amazon
Refrigeration & Air Conditioning Technology, 7th Edition, Delmar Publishing
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Low Pressure Boilers, 5th Edition, Frederick M. Steingress
Buy at Builders Book
Ugly's Electrical References, 2014, George V. Hart
Buy at Amazon
Electric Motor Control for Integrated Systems, 4th Edition, Gary J. Rockis, Glen A. Mazur
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HVAC Control Systems, 3rd Edition,Ronnie J. Auvil
Buy at Amazon

With the exception of Ugly's Electrical References, any edition of the above books are acceptable

A practice exam is currently NOT AVAILABLE

This page is being provided for research and links to books sources only.  We do not have an expected date for availability.  This page may have changed since your last visit.  Please refresh to see current info (F5 on your keyboard).

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