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EPA 608 Core Test Sample Questions with 100% Correct Answers

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  • EPA 608
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  • EPA 608

EPA 608 Core Test Sample Questions with 100% Correct Answers 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 14, 1994 d. January 1, 1996 - Answer️️ -a. July 1, 1992 What is the ozone layer...

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  • September 15, 2024
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EPA 608 Core Test Sample Questions
with 100% Correct Answers


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 14, 1994

d. January 1, 1996 - Answer✔️✔️-a. July 1, 1992

What is the ozone layer and why is it important to us on 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 and HCFC in the atmosphere that filters UV.

d. Protective layer that shields UV in the Troposphere - Answer✔️✔️-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

The atom found in CFC and HCFC refrigerants that destroys ozone in the

stratosphere is?

a. Fluorine

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, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Monday, September 2, 2024 12:59 PM


b. Carbon

c. Hydrogen

d. Chlorine - Answer✔️✔️-d. Chlorine

What is an ozone molecule made of?

a. Refrigerant

b. Ammonia

c. Three oxygen atoms (O3).

d. Oxygen and ammonia. - Answer✔️✔️-Three oxygen atoms (O3).

Which refrigerant is a CFC?

a. R-134A

b. R-123

c. R-22

d. R-12 - Answer✔️✔️-d. R-12

What is the name of the atom that attacks ozone molecules?

a. CFC atoms

b. HCFC atoms

c. Chlorine and bromine atoms emitted into the atmosphere

d. a and b - Answer✔️✔️-c. Chlorine and bromine atoms emitted into the atmosphere

Which refrigerant is a HFC?

a. R-134A

b. R-123

c. R-22

d. R-12 - Answer✔️✔️-a. R-134A

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Describe how one Chlorine atom can destroy 100,000 ozone molecules.

a. 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 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. - Answer✔️✔️-a.

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.

Which refrigerant contains no chlorine?

a. R-134A

b. R-123

c. R-22

d. R-12 - Answer✔️✔️-a. R-134A

Name the refrigerant 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 - Answer✔️✔️-d. All of the above are correct

The rule of thumb for refilling approved cylinders is a maximum of ___ percent


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