29 National Standard Master Mechanical
Content Area % of Total Reference

100 multiple-choice questions
Open book—4-hour time limit

General Requirements

33%

 International Mechanical Code®

Appliances and Equipment

10%

 International Fuel Gas Code®

Exhaust and Ventilation Systems

8%

 National Electrical Code

Duct Systems

12%

Combustion Air

8%

Chimneys and Vents

7%

Fuel Supply Systems

7%

Special Requirements

4%

Electrical

9%

Water

2%

Total

100%