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CFESA Refrigeration Chapter 24 Questions and Correct Answers | Latest Update

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CFESA Refrigeration Chapter 24 Questions and Correct Answers | Latest Update

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CFESA Refrigeration Chapter 24 Questions and
Correct Answers | Latest Update
What is different about servicing Hydrocarbon (HC) refrigeration
systems?

Ans: Refrigerant is flammable and potentially explosive.

The two most common Hydrocarbon refrigerants are?

Ans: R290B and R600B
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Where must every replacement part for a Hydrocarbon refrigeration
system
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be purchased?

Ans: The OEM equipment manufacturer.
2026




You can recover refrigerant with your recovery unit. True or- False

Ans: False
©




Every Hydrocarbon refrigeration compressor will have what markings on
it?

Ans: The refrigerant used and warning labels.

What is different about HC compressor starting components?

Ans: The all electrically sealed to prevent any arcing.

How must HC refrigerants be removed from the refrigeration system?

Ans: Purged from the system to a safe place outdoors.

Do hydrocarbon refrigerants need to be recovered?

Ans: They do not. They are exempt by the EPA.

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