CFESA Refrigeration Chapter 24 Questions And Answers Rated A+ New Update Assured Satisfaction
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Course
CFESA Refrigeration
Institution
CFESA Refrigeration
You will need to purchase separate jaws for the Looking installation tool according to the tubing size. T or
F - True
Before opening a HC sealed system after the refrigerant has been removed
you must? - Purge is for a minimum 5 minutes with nitrogen.
What is different about HC compressor starti...
CFESA Refrigeration Chapter 24
You will need to purchase separate jaws for the Looking installation tool according to the tubing size. T or
F- True
Before opening a HC sealed system after the refrigerant has been removed
you must? - Purge is for a minimum 5 minutes with nitrogen.
What is different about HC compressor starting components? - The all electrically sealed to
prevent any arcing.
What is different about servicing Hydrocarbon (HC) refrigeration systems? - Refrigerant is
flammable and potentially explosive.
The two most common Hydrocarbon refrigerants are? - R290B and R600B
Where must every replacement part for a Hydrocarbon refrigeration system
be purchased? - The OEM equipment manufacturer.
You can recover refrigerant with your recovery unit. True or- False - False
Every Hydrocarbon refrigeration compressor will have what markings on it? - The refrigerant used
and warning labels.
How must HC refrigerants be removed from the refrigeration system? - Purged from the system to
a safe place outdoors.
Do hydrocarbon refrigerants need to be recovered? - They do not. They are exempt by the EPA.
What kind of leak detector is used to detect HC refrigerants? - High quality combustible leak
detector.
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