EPA 608 (TYPE II) EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
When a new system has been assembled, the first thing to do is? - ANS Pressurize the system
with an inert gas & leak check.
After installation of a field-piped R-410A split heat pulp, the unit should first be? -
ANS Pressurized with nitrogen then leak checked.
The EPA regulations require that any appliances containing more than 50 pounds of refrigerant
(except for commercial & industrial process refrigeration) must be repaired when the leak rate
exceeds _________ of the charge per year? - ANS 15%
R-410A requires recovery tanks rated for at least? - ANS 400 psig
After refrigerant liquid has been recovered from a system, any remaining vapor is? -
ANS Condensed by the recovery system.
Your recovery/recycling machine has R-502 refrigerant in it. You now have to recover refrigerant
from a unit with R-22. What must be done before the R-22 refrigerant can be
recovered/recycled? - ANS Recover as much R-502 from the recovery unit as possible, change
filter, & evacuate.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, In a refrigeration system with a TXV (or other type of throttling device), the component directly
following the condenser is the? - ANS Receiver
When charging an R-410A system that uses a water-cooled condenser, you must first charge
with vapor to a pressure of at least________, before switching to liquid charging. - ANS 120
psig
Recovered refrigerant may contain what? - ANS 1.) Acids
2.) Moisture
3.) Oils
Your recovery/recycling machine has R-22 refrigerant in it. You now have to recover refrigerant
from a unit with R-410A. What must be done before your recovery unit can be used to recover
R-410A? - ANS 1.) The recovery unit must be EPA certified for use with R-410A.
2.) The recovery tank must be designed for the pressure of R-410A.
3.) The filter & lubricant in the recovery unit must be changed, & the recovery unit evacuated.
To recover liquid refrigerant, you must connect one hose to the? - ANS Liquid Line.
The proper charging method for blended (non-azeotropic) refrigerants (400 Series) is to use a
remove the charge from the cylinder as a? - ANS Liquid
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS 100% PASS
When a new system has been assembled, the first thing to do is? - ANS Pressurize the system
with an inert gas & leak check.
After installation of a field-piped R-410A split heat pulp, the unit should first be? -
ANS Pressurized with nitrogen then leak checked.
The EPA regulations require that any appliances containing more than 50 pounds of refrigerant
(except for commercial & industrial process refrigeration) must be repaired when the leak rate
exceeds _________ of the charge per year? - ANS 15%
R-410A requires recovery tanks rated for at least? - ANS 400 psig
After refrigerant liquid has been recovered from a system, any remaining vapor is? -
ANS Condensed by the recovery system.
Your recovery/recycling machine has R-502 refrigerant in it. You now have to recover refrigerant
from a unit with R-22. What must be done before the R-22 refrigerant can be
recovered/recycled? - ANS Recover as much R-502 from the recovery unit as possible, change
filter, & evacuate.
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, In a refrigeration system with a TXV (or other type of throttling device), the component directly
following the condenser is the? - ANS Receiver
When charging an R-410A system that uses a water-cooled condenser, you must first charge
with vapor to a pressure of at least________, before switching to liquid charging. - ANS 120
psig
Recovered refrigerant may contain what? - ANS 1.) Acids
2.) Moisture
3.) Oils
Your recovery/recycling machine has R-22 refrigerant in it. You now have to recover refrigerant
from a unit with R-410A. What must be done before your recovery unit can be used to recover
R-410A? - ANS 1.) The recovery unit must be EPA certified for use with R-410A.
2.) The recovery tank must be designed for the pressure of R-410A.
3.) The filter & lubricant in the recovery unit must be changed, & the recovery unit evacuated.
To recover liquid refrigerant, you must connect one hose to the? - ANS Liquid Line.
The proper charging method for blended (non-azeotropic) refrigerants (400 Series) is to use a
remove the charge from the cylinder as a? - ANS Liquid
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
