Epa 608 Core Test Sample Questions Complete Exam Set 2025 |Questions And Answers (Multiple Choices)| 100% Accurate

11/06/2025, 08:29 EPA 608 Core Test Sample Questions COMPLETE EXAM SET 2025 |QUESTIONS AND ANSWERS (MULTIPLE CHOICES)| 100…




EPA 608 Core Test Sample Questions COMPLETE
EXAM SET 2025 |QUESTIONS AND ANSWERS
(MULTIPLE CHOICES)| 100% ACCURATE

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Terms in this set (340)


As of what date did it a. July 1, 1992
become unlawful to
release Class 1 and Class II
refrigerants to the
atmosphere?
a. July 1, 1992
b. July 1, 1993
c. November 14, 1994
d. January 1, 1996




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,11/06/2025, 08:29 EPA 608 Core Test Sample Questions COMPLETE EXAM SET 2025 |QUESTIONS AND ANSWERS (MULTIPLE CHOICES)| 100…


What is the ozone layer b. Protective shield for Earth from the sun's harmful
and why is it important to ultraviolent (UV)
us on Earth? rays in the stratosphere layer that extends about 6 to
a. Thin layer of R-22 in the 30 miles above
atmosphere that filters UV. earth
b. Protective shield for
Earth from the sun's
harmful ultraviolent (UV)
rays in the stratosphere
layer that extends about 6
to 30 miles above
earth
c. Thin layer of CFC and
HCFC in the atmosphere
that filters UV.
d. Protective layer that
shields UV in the
Troposphere

The atom found in CFC d. Chlorine
and HCFC refrigerants
that destroys ozone in the
stratosphere is?
a. Fluorine
b. Carbon
c. Hydrogen
d. Chlorine

What is an ozone Three oxygen atoms (O3).
molecule made of?
a. Refrigerant
b. Ammonia
c. Three oxygen atoms
(O3).
d. Oxygen and ammonia.




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Which refrigerant is a d. R-12
CFC?
a. R-134A
b. R-123
c. R-22
d. R-12

What is the name of the c. Chlorine and bromine atoms emitted into the
atom that attacks ozone atmosphere
molecules?
a. CFC atoms
b. HCFC atoms
c. Chlorine and bromine
atoms emitted into the
atmosphere
d. a and b

Which refrigerant is a a. R-134A
HFC?
a. R-134A
b. R-123
c. R-22
d. R-12




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Describe how one a. Chlorine releases one of the oxygen atoms and
Chlorine atom can destroy forms two O2 oxygen molecules, leaving the chlorine
100,000 ozone molecules. molecule free to attack another
a. Chlorine releases one ozone molecule and repeat the process.
of the oxygen atoms and
forms two O2 oxygen
molecules, leaving the
chlorine molecule free to
attack another
ozone molecule and
repeat the process.
b. Chlorine locks up the
ozone molecule and then
and then goes after
another.
c. Chlorine converts the
ozone to bromine and
then attacks more ozone
molecules.
d. Chlorine can bleach
100,000 ozone molecules
before it weakens.

Which refrigerant contains a. R-134A
no chlorine?
a. R-134A
b. R-123
c. R-22
d. R-12

Name the refrigerant d. All of the above are correct
types that belong to CFCs,
HCFCs and HFCs
a. CFC R-11, R-12, R-500
b. HCFC R-22, R-123
c. HFC R-134a
d. All of the above are
correct

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