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North Carolina-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 Bid Preparation, Estimating, Blueprint Reading and Plans 31
2 Compressors, Ducts, Furnaces and Exhaust Hoods 40
3 Compressors, Refrigerants, Valves, Air Conditioning and Thermostats 40
4 Distribution Systems 26
5 Employees, Contractors, Insurance and Safety 11
6 Evaporators, Lubricants, Pipelines and Water Pressure 34
7 Excavating, Clearing Site and Trenching 18
8 Friction 13
9 Gas Pipes, Vents and Pumps 17
10 General Regulations and Fire Extinguishers 24
11 Installation and Ductwork 16
12 Installation and Troubleshooting 40
13 Motor Controls and Occupancies 13
14 OSHA Safety, Asbestos and Code of Federal Regulations, Title 29, Part 1926 24
15 Pipe Configurations and Pipe Systems 19
16 Pump Description 17
17 Solar Collector Installation 14
18 Solar Thermal Panel Wiring, Installation and Equipment 17
19 Solar Thermal Systems, Panels, Collectors and Formulas 31
20 Solar Thermal, Electric Currents and Formulas 29
21 Speed and Curves 18
22 System Applications 20
23 System Design Data 19
24 Temperatures, Furnaces, Valves and Hydronics 21
25 Two Pipe Cooling and Heating Systems 17
26 USA Dig Alert 22
27 Water Use in HVAC Systems 20
Total = 611


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