Construction Trade Exam Research Area

Washington DC
Sixth Class Stationary Boilers
ICC Exam # 335

Licensing Agency

Washington DC
Department of Consumer and Regulatory Affairs

1100 4th St SW
Washington, DC  20024
Phone:  (202) 442-4400
DC Licensing Link

Exam Administrator

International Code Council
900 Montclair Rd.
Birmingham, AL 35213
(888) 422-7233, ext. 5524
Candidate Information Web Page

Exam Type

CLOSED  BOOK

Exam Content

Subject Areas % of
Questions
Boiler Operation and Safety 10
Fuel and Draft System 10
Steam Systems 10
Boiler Water Treatment 10
Engineering Calculations 10
Boiler Fittings / Accessories 10
Hydronic Systems 10
Feedwater Systems 10
Controls 10
Boiler Design and Principles 10

Total number of test questions: 70
Time allowed (hours): 2.5

Books Permitted in the Exam

1. Low Pressure Boilers, Frederick M. Steingress, ATP. Buy at Amazon
NOTE:  Any edition of the above book is acceptable

Recommended Study Materials

Washington DC • Sixth Class Stationary Boilers

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Copyright Notice

Aug-2017