Licensing Exams by Trade Name - Home Link

Washington DC

(311) Master A/C & 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
DCRA Refrigeration Licensing

3210 E. Tropicana
Las Vegas, NV 89121
Phone:  (800) 733-2929
Exam Type
OPEN  BOOK
Exam Content
Content Areas% of
Questions
Theory, Systems Types, Terminology, & General Requirements30
Refrigerant & Condensate Piping12
Evaporators, Compressors, Condensers, Chillers, Cooling Towers, Heat Pumps, Heating & AC Appliances15
Conditioned Air, Supply, Return, Makeup, Combustion Air, Air Ducts, Dampers & Insulation7
Electrical Fundamentals & Controls9
Refrigerants10
Operationing Procedures, including Safety9
Maintenance & 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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