[B-6] COMPRESSORS | Refrigeration System Operation | Q & A+ Explanations | UA STAR Commercial Exam

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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