Questions with 100% Correct
Answers
How often should refrigerant recovery equipment be checked for oil level and refrigerant
leaks? - Answer-On a daily basis.
What type of recovery equipment captures refrigerant into a non-pressurized container?
- Answer-System Dependent/Passive
What type of containers are used in a system dependent/passive recovery device? -
Answer-Special charcoal activated plastic bag containers.
What are 3 ways system dependent/passive recovery devices captures refrigerant? -
Answer-Assistance of: (1) compressor, (2) external heat source, (3) vacuum pump.
A standard vacuum pump can only be used as a recovery device with what type of
container? - Answer-A non-pressurized container
When using system dependent recovery equipment with an operating compressor, run
the compressor and recover from which side? - Answer-High side
When using system dependent recovery equipment with an non-operating compressor,
it may be necessary to have access to what? - Answer-The high and low side
How can you release trapped refrigerant from the compressor oil on a non-operating
compressor? - Answer-Heat and tap the compressor several times and/or use a
vacuum pump
The EPA requires technicians to have at least one of these available in the shop in the
case they cannot recover refrigerant at the proper rates - Answer-Self-contained
recovery device
System dependent devices may only be used on appliances containing how much
refrigerant? - Answer-15 lbs or less
Small appliances are equipped with a straight piece of tubing that can be used for what?
- Answer-To install a piercing type access fitting