EPA 608 CERTIFICATION CORE PRACTICE
TEST Questions and Answers
1. As of what date did it become unlawful to release Class 1 and
Class II
refrigerants to the atmosphere?: July 1, 1992.
2. What is the ozone layer and why is it important to us on Earth?:
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.
3. The atom found in CFC and HCFC refrigerants that destroys ozone in
the
stratosphere is?: Chlorine.
4. What is an ozone molecule made of?: Three oxygen atoms (O3).
5. Which refrigerant is a CFC?: R-12.
6. What is the name of the atom that attacks ozone molecules?: Chlorine
and bromine atoms emitted into the atmosphere.
7. Which refrigerant is a HFC?: R-134a.
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TEST Questions and Answers
1. As of what date did it become unlawful to release Class 1 and
Class II
refrigerants to the atmosphere?: July 1, 1992.
2. What is the ozone layer and why is it important to us on Earth?:
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.
3. The atom found in CFC and HCFC refrigerants that destroys ozone in
the
stratosphere is?: Chlorine.
4. What is an ozone molecule made of?: Three oxygen atoms (O3).
5. Which refrigerant is a CFC?: R-12.
6. What is the name of the atom that attacks ozone molecules?: Chlorine
and bromine atoms emitted into the atmosphere.
7. Which refrigerant is a HFC?: R-134a.
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