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National Standard Residential Mechanical

ICC Exam Outline Samples

32 National Standard Residential Mechanical Class C

70 multiple-choice questions

Open book—3-hour time limit
Content Area

% of Total

Reference
General Requirements 32% International Residential Code®
Appliances and Equipment 6%
Duct Systems 15%
Combustion Air 23%
Chimneys and Vents 10%
Fuel Supply Systems 14%
Total 100%