answers A+ Grade 2026\2027
The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______.
- correct answer Restricted to technicians who are EPA certified and refrigerant recovery
A small Pliance is defined as a system that is
- correct answer Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5
pounds or less
A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if
the total charge is below 15 pounds.
- correct answer System dependent
You must have a self-contained recovery machine available unless you only work on
- correct answer Small appliances
Recovery devices for use with small appliances must be capable of
- correct answer Recovering 90% of the refrigerant when the compressor is operating
The hydrocarbon refrigerant approved for retrofit into existing household refrigerators is
- correct answer None. Hydrocarbons are not approved for any retrofit applications
New household refrigerators with a charge of less than 57 grams (2 ounces weight) can use any of the
following refrigerants, except.
- correct answer R-1235yf
And exempt refrigerant is any refrigerant that has a 0 Ozone depletion potential (0 ODP) any global
warming potential (GWP) equal to or lower than carbon dioxide, that is a GWP of _________ or less.
- correct answer 1
, What is not a small appliance?
- correct answer An MVAC-like system that holds 3 pounds of R-22
Any system with a charger less than ________ pounds can you system dependent recovery equipment.
- correct answer 15
Anytime pressurized nitrogen is put into the system, the nitrogen gas
- correct answer Maybe vented to the ambient air
When a tank of mixed refrigerant is sent to a reclaimer, they can
- correct answer Either refuse to except the refrigerant or charge extra for processing it
A passive system dependent recovery process
- correct answer Recovered refrigerant in a non-pressurized container
What is the pressure of a storage cylinder of R-134A, that is stored in a room where the temperature is
100°F?
- correct answer 124 PSIG
What is the pressure of a storage cylinder of R-404A, that is stored in a room where the temperature is
100°F?
- correct answer 237 psig
Any refrigerant that is vented off the top of the charging cylinder
- correct answer Must be recovered
Recovery of refrigerant cannot begin if the initial pressure in the system is
- correct answer 0 psig
What is the pressure of the storage cylinder of R-410a, that is stored in a room where the temperature is
100°F?
- correct answer 319 psig