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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 Temperatures, Furnaces, Valves and Hydronics 21
2 Compressors, Ducts, Furnaces and Exhaust Hoods 40
3 Compressors, Refrigerants, Valves, Air Conditioning and Thermostats 40
4 Evaporators, Lubricants, Pipelines and Water Pressure 36
5 Water Use in HVAC Systems 20
8 Solar Thermal Panel Wiring, Installation and Equipment 22
9 Solar Collector Installation 15
10 Solar Thermal Systems, Panels, Collectors and Formulas 31
11 Solar Thermal, Electric Currents and Formulas 38
12 Pipe Configurations and Pipe Systems 19
13 Gas Pipes, Vents and Pumps 17
14 Two Pipe Cooling and Heating Systems 17
15 Distribution Systems 26
16 System Applications 20
17 System Design Data 19
18 Pump Description 17
19 Installation and Ductwork 17
20 Motor Controls and Occupancies 13
21 Speed and Curves 18
22 Friction 13
23 Insulation 0
24 Excavating, Clearing Site and Trenching 19
25 Paving, Subsurface, Drainage and Hot-Mix Paving 40
26 Installation and Troubleshooting 40
27 OSHA Safety, Dig Alert, Asbestos and Code of Federal Regulations, Title 29, Part 1926 53
28 Employees, Contractors, Insurance, Safety and Fire Extinguishers 20
29 Basic Blueprint Reading and Plans 16
30 Basic Estimating and Mathematics 28
Total = 675


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