Practice tests are comprised of independent chapters, each testing you on the specific subjects within the trade.
        
            
            
                | 
                    #
                 | 
                
                    Title
                 | 
                
                    Questions
                 | 
            
            
                    
                        
                        | 
                            1
                         | 
                        
                            Basic Bid Preparation, Estimating and Blueprint Reading 
                         | 
                        
                            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 
                         | 
                        
                            35
                         | 
                    
                
                    
                        
                        | 
                            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 
                         | 
                        
                            26
                         | 
                    
                
                    
                        
                        | 
                            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
                 |