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EPA Certification (2026/2027) EXAM || MOST RECENT
EXAM ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM!!!
The molecule found in CFC's and HCHC's refrigerants that
destroys the ozone in the stratosphere is: - Answer-
Chlorine
Stratospheric ozone consists of: - Answer-Three oxygen
atoms
Stratospheric ozone depletion is a _________ problem: -
Answer-Global
The Gas in the stratosphere that protects us from
ultraviolet radiation is: - Answer-Ozone
Which refrigerant is a CFC? - Answer-R-12
Which refrigerant is an HCFC? - Answer-R-123 & R-22
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Which refrigerant is an HFC? - Answer-R-134a
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
Which Refrigerants contain the most chlorine? - Answer-
CFC's
As of what date did it become unlawful to intentionally
release Class 1 and Class 2 refrigerants to the
atmosphere? - Answer-July 1, 1992
Which Refrigerants have the lowest zone depletion
potential? - Answer-HFC's
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
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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
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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
The synthetic lubricant used with HCFC-based ternary
blends is: - Answer-Alkyl benzene
R-134a is "drop-in" refrigerant for: - Answer-R-134a is not
a Drop-in refrigerant
The refrigerant condition and state entering the condenser
of an air conditioner is a: - Answer-Superheated Vapor
The condition and state entering the condenser of an air
conditioner is a: - Answer-Subcooled liquid
EPA Certification (2026/2027) EXAM || MOST RECENT
EXAM ACTUAL COMPLETE REAL VERIFIED EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ | GUARANTEED
SUCCESS!! NEWEST EXAM!!!
The molecule found in CFC's and HCHC's refrigerants that
destroys the ozone in the stratosphere is: - Answer-
Chlorine
Stratospheric ozone consists of: - Answer-Three oxygen
atoms
Stratospheric ozone depletion is a _________ problem: -
Answer-Global
The Gas in the stratosphere that protects us from
ultraviolet radiation is: - Answer-Ozone
Which refrigerant is a CFC? - Answer-R-12
Which refrigerant is an HCFC? - Answer-R-123 & R-22
,2|Page
Which refrigerant is an HFC? - Answer-R-134a
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
Which Refrigerants contain the most chlorine? - Answer-
CFC's
As of what date did it become unlawful to intentionally
release Class 1 and Class 2 refrigerants to the
atmosphere? - Answer-July 1, 1992
Which Refrigerants have the lowest zone depletion
potential? - Answer-HFC's
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
,3|Page
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
, 4|Page
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
The synthetic lubricant used with HCFC-based ternary
blends is: - Answer-Alkyl benzene
R-134a is "drop-in" refrigerant for: - Answer-R-134a is not
a Drop-in refrigerant
The refrigerant condition and state entering the condenser
of an air conditioner is a: - Answer-Superheated Vapor
The condition and state entering the condenser of an air
conditioner is a: - Answer-Subcooled liquid
