EPA Certification Exam Perfectly Solved 2024
Which Refrigerants contain the most chlorine? -Correct Ans-CFC's
As of what date did it become unlawful to intentionally release Class 1 and Class 2
refrigerants to the atmosphere? -Correct Ans-July 1, 1992
Which Refrigerants have the lowest zone depletion potential? -Correct Ans-HFC's
The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the
stratosphere is: -Correct Ans-Chlorine
Stratospheric ozone consists of: -Correct Ans-Three oxygen atoms
Stratospheric ozone depletion is a _________ problem: -Correct Ans-Global
The Gas in the stratosphere that protects us from ultraviolet radiation is: -Correct Ans-
Ozone
Which refrigerant is a CFC? -Correct Ans-R-12
Which refrigerant is an HCFC? -Correct Ans-R-123 & R-22
Which refrigerant is an HFC? -Correct Ans-R-134a
Which refrigerant contains no chlorine? -Correct Ans-R-134a
, The Molecule found in the stratosphere that indicates stratospheric ozone depletion is
taking place is: -Correct Ans-Chlorine monoxide
The following actions would violate the clean air act (CAA): -Correct Ans-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: -Correct Ans-Virgin refrigerant
The rule of thumb for refilling approved cylinders is a maximum of _____ percent liquid?
-Correct Ans-80%
The time it takes to properly evacuate and dehydrate a system prior to charging with
refrigerant is determined by the: -Correct Ans-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: -Correct Ans-May
contain moisture
May have a leak
To recover refrigerant is to: -Correct Ans-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.
Which Refrigerants contain the most chlorine? -Correct Ans-CFC's
As of what date did it become unlawful to intentionally release Class 1 and Class 2
refrigerants to the atmosphere? -Correct Ans-July 1, 1992
Which Refrigerants have the lowest zone depletion potential? -Correct Ans-HFC's
The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the
stratosphere is: -Correct Ans-Chlorine
Stratospheric ozone consists of: -Correct Ans-Three oxygen atoms
Stratospheric ozone depletion is a _________ problem: -Correct Ans-Global
The Gas in the stratosphere that protects us from ultraviolet radiation is: -Correct Ans-
Ozone
Which refrigerant is a CFC? -Correct Ans-R-12
Which refrigerant is an HCFC? -Correct Ans-R-123 & R-22
Which refrigerant is an HFC? -Correct Ans-R-134a
Which refrigerant contains no chlorine? -Correct Ans-R-134a
, The Molecule found in the stratosphere that indicates stratospheric ozone depletion is
taking place is: -Correct Ans-Chlorine monoxide
The following actions would violate the clean air act (CAA): -Correct Ans-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: -Correct Ans-Virgin refrigerant
The rule of thumb for refilling approved cylinders is a maximum of _____ percent liquid?
-Correct Ans-80%
The time it takes to properly evacuate and dehydrate a system prior to charging with
refrigerant is determined by the: -Correct Ans-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: -Correct Ans-May
contain moisture
May have a leak
To recover refrigerant is to: -Correct Ans-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.
