CFESA Refrigeration Chapter 24 Practice Questions and Answer

CFESA Refrigeration Chapter 24 Practice Questions and Answers What is different about servicing Hydrocarbon (HC) refrigeration systems? - Answer️️ -Refrigerant is flammable and potentially explosive. The two most common Hydrocarbon refrigerants are? - Answer️️ -R290B and R600B Where must every replacement part for a Hydrocarbon refrigeration system be purchased? - Answer️️ -The OEM equipment manufacturer. You can recover refrigerant with your recovery unit. True or- False - Answer️️ -False Every Hydrocarbon refrigeration compressor will have what markings on it? - Answer️️ -The refrigerant used and warning labels. What is different about HC compressor starting components? - Answer️️ - The all electrically sealed to prevent any arcing. How must HC refrigerants be removed from the refrigeration system? - Answer️️ -Purged from the system to a safe place outdoors. Do hydrocarbon refrigerants need to be recovered? - Answer️️ -They do not. They are exempt by the EPA. ©SOPHIABENNETT@ Sunday, August 25, 2024 2:42 PM 2 What kind of leak detector is used to detect HC refrigerants? - Answer️️ - High quality combustible leak detector. The HC leak detector only needs to be used when leak testing. Tor F - Answer️️ -False It needs to be on the entire time the system is opened until it has been totally purged out, and whenever there is any refrigerant in the system! If you suspect a problem in the sealed system how