EPA 608 (TYPE II) Exam Questions and
Answers Graded A+
When a new system has been assembled, the first thing to do is? - Correct answer-
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? -
Correct answer-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? - Correct
answer-15%
R-410A requires recovery tanks rated for at least? - Correct answer-400 psig
After refrigerant liquid has been recovered from a system, any remaining vapor is?
- Correct answer-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
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, refrigerant can be recovered/recycled? - Correct answer-Recover as much R-502
from the recovery unit as possible, change filter, & evacuate.
In a refrigeration system with a TXV (or other type of throttling device), the
component directly following the condenser is the? - Correct answer-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. - Correct answer-120 psig
Recovered refrigerant may contain what? - Correct answer-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? - Correct answer-1.) The recovery
unit must be EPA certified for use with R-410A.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Answers Graded A+
When a new system has been assembled, the first thing to do is? - Correct answer-
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? -
Correct answer-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? - Correct
answer-15%
R-410A requires recovery tanks rated for at least? - Correct answer-400 psig
After refrigerant liquid has been recovered from a system, any remaining vapor is?
- Correct answer-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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, refrigerant can be recovered/recycled? - Correct answer-Recover as much R-502
from the recovery unit as possible, change filter, & evacuate.
In a refrigeration system with a TXV (or other type of throttling device), the
component directly following the condenser is the? - Correct answer-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. - Correct answer-120 psig
Recovered refrigerant may contain what? - Correct answer-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? - Correct answer-1.) The recovery
unit must be EPA certified for use with R-410A.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
