UA STAR | Commercial Refrigeration Technician Exam | Practice Questions & Answers with Explanations

🎵 INTRO 🎶: https://beacons.ai/aeur YOUTUBE: https://www.youtube.com/@precisionetica RUMBLE: https://rumble.com/c/c-3394702 TWITTER/X : https://x.com/Precisionetica TWITCH: https://www.twitch.tv/precisionetica TIP JAR: https://www.paypal.me/Precisionetica Intro music used with permission. #Tradecertification #HVACExam #refrigeration #EPA608 #HVACtraining #HVACLicense #Tradeschool #Tradecertification #hvac #hvactraining #hvaclife #hvactechnician #hvacschool #hvaccontractor #hvacsolutions #hvactools #hvacpros #hvacairsystem #refrigerationsystem #hvacrtechnician #hvacr #hvacrepair #certifiedtechnicians UA STAR Commercial Refrigeration Technician Exam A: Refrigeration Fundamentals A-1 -Refrigeration Principles A-2- Refrigerants and Oils A-3 - Refrigerant Safety A-4 - Refrigerant Handling and Transportation Regulations B: Refrigeration System Operation B-5 - Piping B-6 - Compressor B-7- Condensers B-8 - Expansion Devices B-9 — Evaporators B-10 - Start-up and Commission Systems C: Basic Electricity C-11 - Electrical Theory C-12 - Measuring Instruments C-13 - Electrical Circuits (Series and Parallel) C-14 - Electric Service D: Controls D-16 - Automatic Controls and Devices D- 17 - Electrical Troubleshooting E: Rack Systems E-18 - Demonstrate General Knowledge of Rack Systems E-19 - Install and Maintain Oil Control Systems E-20 - Add Liquid Subcooling E-21 - Perform Basic Service on “Rack” System F: Self-contained Units F-22 - Metering Devices F-22 - Metering Devices F-23 - Charging Procedures F- 24- Preventative Maintenance on Self-contained Unit G: Ice Machines G-25 - Clean and Sanitize the Machine G-26 - Service Ice Machine H: Auxiliary Systems H-27 - Hot Water Heat Reclaim Systems H-28 - Defrost Systems I: Business and Customer Relations | -29 — Establish Customer Relations l-31 — Keep Records, Document Work Performed l-32 — Exhibit Professionalism

🎵 INTRO 🎶: https://beacons.ai/aeur YOUTUBE: https://www.youtube.com/@precisionetica RUMBLE: https://rumble.com/c/c-3394702 TWITTER/X : https://x.com/Precisionetica TWITCH: https://www.twitch.tv/precisionetica TIP JAR: https://www.paypal.me/Precisionetica Intro music used with permission. #HVACtraining #HVACExam #refrigeration #EPA608 #HVACtraining #Tradecertification #HVACLicense #Tradeschool #Tradecertification #hvac #hvactraining #hvaclife #hvactechnician #hvacschool #hvaccontractor #hvacsolutions #hvactools #hvacpros #hvacairsystem #refrigerationsystem #hvacrtechnician #hvacr #hvacrepair #certifiedtechnicians UA STAR Commercial Refrigeration Technician Exam A: Refrigeration Fundamentals A-1 -Refrigeration Principles A-2- Refrigerants and Oils A-3 - Refrigerant Safety A-4 - Refrigerant Handling and Transportation Regulations B: Refrigeration System Operation B-5 - Piping B-6 - Compressor B-7- Condensers B-8 - Expansion Devices B-9 — Evaporators B-10 - Start-up and Commission Systems C: Basic Electricity C-11 - Electrical Theory C-12 - Measuring Instruments C-13 - Electrical Circuits (Series and Parallel) C-14 - Electric Service D: Controls D-16 - Automatic Controls and Devices D- 17 - Electrical Troubleshooting E: Rack Systems E-18 - Demonstrate General Knowledge of Rack Systems E-19 - Install and Maintain Oil Control Systems E-20 - Add Liquid Subcooling E-21 - Perform Basic Service on “Rack” System F: Self-contained Units F-22 - Metering Devices F-22 - Metering Devices F-23 - Charging Procedures F- 24- Preventative Maintenance on Self-contained Unit G: Ice Machines G-25 - Clean and Sanitize the Machine G-26 - Service Ice Machine H: Auxiliary Systems H-27 - Hot Water Heat Reclaim Systems H-28 - Defrost Systems I: Business and Customer Relations | -29 — Establish Customer Relations l-31 — Keep Records, Document Work Performed l-32 — Exhibit Professionalism

🎵 INTRO 🎶: https://beacons.ai/aeur YOUTUBE: https://www.youtube.com/@precisionetica RUMBLE: https://rumble.com/c/c-3394702 TWITTER/X : https://x.com/Precisionetica TWITCH: https://www.twitch.tv/precisionetica TIP JAR: https://www.paypal.me/Precisionetica Intro music used with permission. #EPA608 #HVACExam #refrigeration #HVACtraining #HVACLicense #Tradeschool #Tradecertification #hvac #hvactraining #hvaclife #hvactechnician #hvacschool #hvaccontractor #hvacsolutions #hvactools #hvacpros #hvacairsystem #refrigerationsystem #hvacrtechnician #hvacr #hvacrepair #certifiedtechnicians UA STAR Commercial Refrigeration Technician Exam A: Refrigeration Fundamentals A-1 -Refrigeration Principles A-2- Refrigerants and Oils A-3 - Refrigerant Safety A-4 - Refrigerant Handling and Transportation Regulations B: Refrigeration System Operation B-5 - Piping B-6 - Compressor B-7- Condensers B-8 - Expansion Devices B-9 — Evaporators B-10 - Start-up and Commission Systems C: Basic Electricity C-11 - Electrical Theory C-12 - Measuring Instruments C-13 - Electrical Circuits (Series and Parallel) C-14 - Electric Service D: Controls D-16 - Automatic Controls and Devices D- 17 - Electrical Troubleshooting E: Rack Systems E-18 - Demonstrate General Knowledge of Rack Systems E-19 - Install and Maintain Oil Control Systems E-20 - Add Liquid Sub-cooling E-21 - Perform Basic Service on “Rack” System F: Self-contained Units F-22 - Metering Devices F-22 - Metering Devices F-23 - Charging Procedures F- 24- Preventative Maintenance on Self-contained Unit G: Ice Machines G-25 - Clean and Sanitize the Machine G-26 - Service Ice Machine H: Auxiliary Systems H-27 - Hot Water Heat Reclaim Systems H-28 - Defrost Systems I: Business and Customer Relations | -29 — Establish Customer Relations l-31 — Keep Records, Document Work Performed l-32 — Exhibit Professionalism

🎵 INTRO 🎶: https://beacons.ai/aeur YOUTUBE: https://www.youtube.com/@precisionetica RUMBLE: https://rumble.com/c/c-3394702 TWITTER/X : https://x.com/Precisionetica TWITCH: https://www.twitch.tv/precisionetica TIP JAR: https://www.paypal.me/Precisionetica Intro music used with permission. #EPA608 #HVACExam #refrigeration #HVACtraining #HVACLicense #Tradeschool #Tradecertification #hvac #hvactraining #hvaclife #hvactechnician #hvacschool #hvaccontractor #hvacsolutions #hvactools #hvacpros #hvacairsystem #refrigerationsystem #hvacrtechnician #hvacr #hvacrepair #certifiedtechnicians UA STAR Commercial Refrigeration Technician Exam A: Refrigeration Fundamentals A-1 -Refrigeration Principles A-2- Refrigerants and Oils A-3 - Refrigerant Safety A-4 - Refrigerant Handling and Transportation Regulations B: Refrigeration System Operation B-5 - Piping B-6 - Compressor B-7- Condensers B-8 - Expansion Devices B-9 — Evaporators B-10 - Start-up and Commission Systems C: Basic Electricity C-11 - Electrical Theory C-12 - Measuring Instruments C-13 - Electrical Circuits (Series and Parallel) C-14 - Electric Service D: Controls D-16 - Automatic Controls and Devices D- 17 - Electrical Troubleshooting E: Rack Systems E-18 - Demonstrate General Knowledge of Rack Systems E-19 - Install and Maintain Oil Control Systems E-20 - Add Liquid Sub-cooling E-21 - Perform Basic Service on “Rack” System F: Self-contained Units F-22 - Metering Devices F-22 - Metering Devices F-23 - Charging Procedures F- 24- Preventative Maintenance on Self-contained Unit G: Ice Machines G-25 - Clean and Sanitize the Machine G-26 - Service Ice Machine H: Auxiliary Systems H-27 - Hot Water Heat Reclaim Systems H-28 - Defrost Systems I: Business and Customer Relations | -29 — Establish Customer Relations l-31 — Keep Records, Document Work Performed l-32 — Exhibit Professionalism

🎵 INTRO: https://beacons.ai/aeur YOUTUBE: https://www.youtube.com/@precisionetica RUMBLE: https://rumble.com/c/c-3394702 TWITTER/X : https://x.com/Precisionetica TWITCH: https://www.twitch.tv/precisionetica TIP JAR: https://www.paypal.me/Precisionetica Intro music used with permission. #Tradecertification #HVACExam #refrigeration #EPA608 #HVACtraining #HVACLicense #Tradeschool #Tradecertification #hvac #hvactraining #hvaclife #hvactechnician #hvacschool #hvaccontractor #hvacsolutions #hvactools #hvacpros #hvacairsystem #refrigerationsystem #hvacrtechnician #hvacr #hvacrepair #certifiedtechnicians Hvac certification,Refrigeration Certification,EPA practice,Hvac practice exam,EPA 608 answer key,HVAC test questions,section 608,EPA 608 exam,EPA practice exam,nate exam,ice exam,rses exam,hvac practice exam,hvac training,epa exam,HVAC Technician Certification,HVAC Technician,HVAC,EPA Refrigerant Certification,R-22,R-410A,Hvac exam,HVAC industry,air conditioning exam,section 608 practice test,trade certification test,HVAC Licensing,hvac exam UA STAR Commercial Refrigeration Technician Exam A: Refrigeration Fundamentals A-1 -Refrigeration Principles A-2- Refrigerants and Oils A-3 - Refrigerant Safety A-4 - Refrigerant Handling and Transportation Regulations B: Refrigeration System Operation B-5 - Piping B-6 - Compressor B-7- Condensers B-8 - Expansion Devices B-9 — Evaporators B-10 - Start-up and Commission Systems C: Basic Electricity C-11 - Electrical Theory C-12 - Measuring Instruments C-13 - Electrical Circuits (Series and Parallel) C-14 - Electric Service D: Controls D-16 - Automatic Controls and Devices D- 17 - Electrical Troubleshooting E: Rack Systems E-18 - Demonstrate General Knowledge of Rack Systems E-19 - Install and Maintain Oil Control Systems E-20 - Add Liquid Subcooling E-21 - Perform Basic Service on “Rack” System F: Self-contained Units F-22 - Metering Devices F-22 - Metering Devices F-23 - Charging Procedures F- 24- Preventative Maintenance on Self-contained Unit G: Ice Machines G-25 - Clean and Sanitize the Machine G-26 - Service Ice Machine H: Auxiliary Systems H-27 - Hot Water Heat Reclaim Systems H-28 - Defrost Systems I: Business and Customer Relations | -29 — Establish Customer Relations l-31 — Keep Records, Document Work Performed l-32 — Exhibit Professionalism

🎵 INTRO 🎶: https://beacons.ai/aeur YOUTUBE: https://www.youtube.com/@precisionetica RUMBLE: https://rumble.com/c/c-3394702 TWITTER/X : https://x.com/Precisionetica TWITCH: https://www.twitch.tv/precisionetica TIP JAR: https://www.paypal.me/Precisionetica Intro music used with permission. #EPA608 #HVACExam #refrigeration #HVACtraining #HVACLicense #Tradeschool #Tradecertification #hvac #hvactraining #hvaclife #hvactechnician #hvacschool #hvaccontractor #hvacsolutions #hvactools #hvacpros #hvacairsystem #refrigerationsystem #hvacrtechnician #hvacr #hvacrepair #certifiedtechnicians UA STAR Commercial Refrigeration Technician Exam A: Refrigeration Fundamentals A-1 -Refrigeration Principles A-2- Refrigerants and Oils A-3 - Refrigerant Safety A-4 - Refrigerant Handling and Transportation Regulations B: Refrigeration System Operation B-5 - Piping B-6 - Compressor B-7- Condensers B-8 - Expansion Devices B-9 — Evaporators B-10 - Start-up and Commission Systems C: Basic Electricity C-11 - Electrical Theory C-12 - Measuring Instruments C-13 - Electrical Circuits (Series and Parallel) C-14 - Electric Service D: Controls D-16 - Automatic Controls and Devices D- 17 - Electrical Troubleshooting E: Rack Systems E-18 - Demonstrate General Knowledge of Rack Systems E-19 - Install and Maintain Oil Control Systems E-20 - Add Liquid Sub-cooling E-21 - Perform Basic Service on “Rack” System F: Self-contained Units F-22 - Metering Devices F-22 - Metering Devices F-23 - Charging Procedures F- 24- Preventative Maintenance on Self-contained Unit G: Ice Machines G-25 - Clean and Sanitize the Machine G-26 - Service Ice Machine H: Auxiliary Systems H-27 - Hot Water Heat Reclaim Systems H-28 - Defrost Systems I: Business and Customer Relations | -29 — Establish Customer Relations l-31 — Keep Records, Document Work Performed l-32 — Exhibit Professionalism