EPA Certification Exam/ 90+ Qs and
Ans/ Newly Updated
Which refrigerant contains no chlorine? - Answer: R-134a
The Molecule found in the stratosphere that indicates stratospheric ozone
depletion is taking place is: - Answer: Chlorine monoxide
The following actions would violate the clean air act (CAA): - Answer: Knowingly
releasing Class 1 Class 2 substances
failing to keep or falsifying required records
, failing to tech the required evacuation levels before opening a systems to the
atmosphere for service
One time (disposable) refrigerant cylinders are used for: - Answer: Virgin
refrigerant
The rule of thumb for refilling approved cylinders is a maximum of _____ percent
liquid? - Answer: 80%
The time it takes to properly evacuate and dehydrate a system prior to charging
with refrigerant is determined by the: - Answer: Total volume of the system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
A system that fails to hold a vacuum after the evacuation process: - Answer: May
contain moisture
May have a leak
To recover refrigerant is to: - Answer: Remove refrigerant is any condition from a
system in either an active or passive manner, and store it in an external container
without necessarily testing or processing.
The process that reduces contaminate in used refrigerant by oil separation with
single and multiple passes through devices such as replaceable filter core driers,
which reduces moisture, acidity, and particulate matter is: - Answer: Recycling
Ans/ Newly Updated
Which refrigerant contains no chlorine? - Answer: R-134a
The Molecule found in the stratosphere that indicates stratospheric ozone
depletion is taking place is: - Answer: Chlorine monoxide
The following actions would violate the clean air act (CAA): - Answer: Knowingly
releasing Class 1 Class 2 substances
failing to keep or falsifying required records
, failing to tech the required evacuation levels before opening a systems to the
atmosphere for service
One time (disposable) refrigerant cylinders are used for: - Answer: Virgin
refrigerant
The rule of thumb for refilling approved cylinders is a maximum of _____ percent
liquid? - Answer: 80%
The time it takes to properly evacuate and dehydrate a system prior to charging
with refrigerant is determined by the: - Answer: Total volume of the system
Amount of non-condensibles (moisture) in the system
Ambient Temperature
A system that fails to hold a vacuum after the evacuation process: - Answer: May
contain moisture
May have a leak
To recover refrigerant is to: - Answer: Remove refrigerant is any condition from a
system in either an active or passive manner, and store it in an external container
without necessarily testing or processing.
The process that reduces contaminate in used refrigerant by oil separation with
single and multiple passes through devices such as replaceable filter core driers,
which reduces moisture, acidity, and particulate matter is: - Answer: Recycling
