EPA 608 TEST FINAL EXAM 2026 COMPLETE
ACCURATE EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
As of what date did it become July 1, 1992
unlawful to release Class 1
and Class II refrigerants to the
atmosphere?
What is the ozone layer and Protective shield for Earth from the sun's harmful
why is it important to us on ultraviolent (UV) rays in the stratosphere layer that
Earth?
extends about 6 to
30 miles above earth
The atom found in CFC and Chlorine
HCFC refrigerants that
destroys ozone in the
stratosphere is?
What is an ozone molecule Three oxygen atoms (O3)
made of?
Which refrigerant is a R-12
CFC?
What is the name of the Chlorine and bromine atoms emitted into the atmosphere
atom that attacks ozone
molecules?
, Which refrigerant is a R-134A
HFC?
Describe how one Chlorine releases one of the oxygen atoms and forms two O2
Chlorine atom can destroy oxygen molecules, leaving the chlorine molecule free to
100,000 ozone molecules. attack another ozone molecule and repeat the process.
R-134A
Which refrigerant contains no
chlorine?
Name the refrigerant types CFC R-11, R-12, R-500
that belong to CFCs, HCFC R-22, R-123
HCFCs and HFCs HFC R-134a
(All of the above)
The rule of thumb for refilling 80%
approved cylinders is a
maximum of
___ percent
liquid?
2.What do the letters in hydrochlorofluorocarbons
"HCFC" stand for?
To recover refrigerant is to? Remove a refrigerant in any condition from a system in
either an active or passive manner, and store it in an
external container without necessarily testing or
processing
What is ODP? Ozone Depletion Potential
R-134A is a "drop in" R-134A is not a drop-in refrigerant
refrigerant for?
ACCURATE EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
As of what date did it become July 1, 1992
unlawful to release Class 1
and Class II refrigerants to the
atmosphere?
What is the ozone layer and Protective shield for Earth from the sun's harmful
why is it important to us on ultraviolent (UV) rays in the stratosphere layer that
Earth?
extends about 6 to
30 miles above earth
The atom found in CFC and Chlorine
HCFC refrigerants that
destroys ozone in the
stratosphere is?
What is an ozone molecule Three oxygen atoms (O3)
made of?
Which refrigerant is a R-12
CFC?
What is the name of the Chlorine and bromine atoms emitted into the atmosphere
atom that attacks ozone
molecules?
, Which refrigerant is a R-134A
HFC?
Describe how one Chlorine releases one of the oxygen atoms and forms two O2
Chlorine atom can destroy oxygen molecules, leaving the chlorine molecule free to
100,000 ozone molecules. attack another ozone molecule and repeat the process.
R-134A
Which refrigerant contains no
chlorine?
Name the refrigerant types CFC R-11, R-12, R-500
that belong to CFCs, HCFC R-22, R-123
HCFCs and HFCs HFC R-134a
(All of the above)
The rule of thumb for refilling 80%
approved cylinders is a
maximum of
___ percent
liquid?
2.What do the letters in hydrochlorofluorocarbons
"HCFC" stand for?
To recover refrigerant is to? Remove a refrigerant in any condition from a system in
either an active or passive manner, and store it in an
external container without necessarily testing or
processing
What is ODP? Ozone Depletion Potential
R-134A is a "drop in" R-134A is not a drop-in refrigerant
refrigerant for?
