EPA 608 CORE PRACTICE TEST QUESTIONS
AND CORRECT ANSWERS
To process refrigerant to a level that is equal to new product specifications as -
ANSWER - Reclaiming
The low side test pressure data plate value should be used by a technician to
determine a safe pressure for - ANSWER - Leak testing
Silicone elastomers are not compatible with what refrigerant - ANSWER - HFC
How many molecules does an ozone molecule contain? - ANSWER - 3 oxygen
atoms
Recover any remaining refrigerant and then render the cylinder useless, then
recycle the metal is the proper disposal method for; - ANSWER - disposable
cylinders
Which refrigerant is an HCFC? - ANSWER - R-22
Which refrigerant is an HFC - ANSWER - R-410a
Which refrigerant is a CFC - ANSWER - R-12
Which refrigerant has GWP of 1? - ANSWER - R-134a
, Reusable refrigerant containers that are normally under pressure above 15 psig,
must be hydrostatically tested and date stamped every: - ANSWER - 5 years
The compressor - ANSWER - changes a low pressure gas to a high pressure gas
What changes high pressure gas to high pressure liquid - ANSWER - The
condenser
Crop loss, eye disease, and skin cancer have been attributed to; - ANSWER -
Ozone depletion
Which type of refrigerant contains no chlorine? - ANSWER - HFC/R-23
The three R's - ANSWER - Recover, Recycle, Reclaim
Definition of recover? - ANSWER - remove refrigerant in any condition from an
appliance and store it in an external container without necessarily testing or
processing it in any way."
Definition of recycle - ANSWER - —cleaning the recovered refrigerant. —by using
oil separation
—should only be used on the same owner's equipment .
Definition of reclaim - ANSWER - complicated process, often performed by the
manufacturer or a certified company which has the specialized machines needed
AND CORRECT ANSWERS
To process refrigerant to a level that is equal to new product specifications as -
ANSWER - Reclaiming
The low side test pressure data plate value should be used by a technician to
determine a safe pressure for - ANSWER - Leak testing
Silicone elastomers are not compatible with what refrigerant - ANSWER - HFC
How many molecules does an ozone molecule contain? - ANSWER - 3 oxygen
atoms
Recover any remaining refrigerant and then render the cylinder useless, then
recycle the metal is the proper disposal method for; - ANSWER - disposable
cylinders
Which refrigerant is an HCFC? - ANSWER - R-22
Which refrigerant is an HFC - ANSWER - R-410a
Which refrigerant is a CFC - ANSWER - R-12
Which refrigerant has GWP of 1? - ANSWER - R-134a
, Reusable refrigerant containers that are normally under pressure above 15 psig,
must be hydrostatically tested and date stamped every: - ANSWER - 5 years
The compressor - ANSWER - changes a low pressure gas to a high pressure gas
What changes high pressure gas to high pressure liquid - ANSWER - The
condenser
Crop loss, eye disease, and skin cancer have been attributed to; - ANSWER -
Ozone depletion
Which type of refrigerant contains no chlorine? - ANSWER - HFC/R-23
The three R's - ANSWER - Recover, Recycle, Reclaim
Definition of recover? - ANSWER - remove refrigerant in any condition from an
appliance and store it in an external container without necessarily testing or
processing it in any way."
Definition of recycle - ANSWER - —cleaning the recovered refrigerant. —by using
oil separation
—should only be used on the same owner's equipment .
Definition of reclaim - ANSWER - complicated process, often performed by the
manufacturer or a certified company which has the specialized machines needed
