Practice tests are comprised of independent chapters, each testing you on the specific subjects within the trade.
        
            
            
                | # | Title | Questions | 
            
                    
                        
                        | 1 | Basic Estimating, Blueprint Reading, Calculations and Formulas | 20 | 
                
                    
                        
                        | 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 | 35 | 
                
                    
                        
                        | 7 | Excavating, Clearing Site and Trenching | 18 | 
                
                    
                        
                        | 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 | Paving, Subsurface, Drainage and Hot-Mix Paving | 35 | 
                
                    
                        
                        | 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 | 21 | 
                
                    
                        
                        | 27 | Water Use in HVAC Systems | 20 | 
                
                                
                |  | Total = | 613 |