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District of Columbia-HVAC Heating and Air Conditioning Online Practice Test

Practice tests are comprised of independent chapters, each testing you on the specific subjects within the trade.

Table of Contents

# Title Questions
1 Basic Blueprint Reading and Plans 14
2 Basic Estimating and Mathematics 21
3 Compressors, Ducts, Furnaces and Exhaust Hoods 40
4 Compressors, Refrigerants, Valves, Air Conditioning and Thermostats 40
5 Distribution Systems 26
6 Employees, Contractors, Insurance, Safety and Fire Extinguishers 19
7 Evaporators, Lubricants, Pipelines and Water Pressure 35
8 Friction 13
9 Gas Pipes, Vents and Pumps 17
10 Installation and Ductwork 16
11 Installation and Troubleshooting 40
12 Motor Controls and Occupancies 13
13 OSHA Safety, Asbestos and Code of Federal Regulations, Title 29, Part 1926 26
14 Pipe Configurations and Pipe Systems 19
15 Pump Description 17
16 Solar Collector Installation 14
17 Solar Thermal Panel Wiring, Installation and Equipment 17
18 Solar Thermal Systems, Panels, Collectors and Formulas 31
19 Solar Thermal, Electric Currents and Formulas 29
20 Speed and Curves 18
21 System Applications 20
22 System Design Data 19
23 Temperatures, Furnaces, Valves and Hydronics 21
24 Two Pipe Cooling and Heating Systems 17
25 USA Dig Alert 18
26 Water Use in HVAC Systems 20
Total = 580


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