Licensing Exams by Trade Name - Home Link

Washington DC

(311) Master A/C and
Refrigeration Mechanical Unlimited

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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) 733-9267
Exam Type
OPEN  BOOK
Exam Content
Subject Areas% of
Questions
Theory, Systems Types, Terminology, and General Requirements30
Refrigerant and Condensate Piping12
Evaporators, Compressors, Condensers, Chillers, Cooling Towers, Heat Pumps, Heating and AC Appliances15
Conditioned Air, Supply, Return, Makeup, Combustion Air, Air Ducts, Dampers and Insulation7
Electrical Fundamentals and Controls9
Refrigerants10
Operationing Procedures, including Safety9
Maintenance and Repairs8
Total number of test questions:
80
Time allowed (hours):
2.0
Books Allowed in the Exam
1.
International Mechanical Code, 2012, ICC
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2.
Modern Refrigeration and Air Conditioning, 18th Edition, 2004, Althous, Turnquist, Bowditch, Bracciano
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