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EPA 608 CORE TEST SAMPLE QUESTIONS 2025 ACTUAL EXAM COMPLETE 340+ QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) ALREADY GRADED A+ $19.99
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EPA 608 CORE TEST SAMPLE QUESTIONS 2025 ACTUAL EXAM COMPLETE 340+ QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) ALREADY GRADED A+

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EPA 608 CORE TEST SAMPLE QUESTIONS 2025 ACTUAL EXAM COMPLETE 340+ QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) ALREADY GRADED A+ As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 1...

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EPA 608 CORE TEST SAMPLE QUESTIONS
2025 ACTUAL EXAM COMPLETE 340+
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)
ALREADY GRADED A+


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

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



The atom found in CFC and d. Chlorine
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.

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

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

, Describe how one a. Chlorine releases one of the oxygen atoms and forms
Chlorine atom can destroy two O2 oxygen molecules, leaving the chlorine molecule
free to attack another ozone molecule and repeat the
100,000 ozone molecules. a.
process.
Chlorine releases one 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
theozone molecule and then
and then goes after another.
c. Chlorine converts
theozone to bromine and
then attacks more ozone
molecules.
d. Chlorine can
bleach100,000 ozone
molecules before it weakens.




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

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