EPA 608 Certification Final Exam 2025: Practice Test & Study Guide (Type I, II, III, Universal)

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EPA CERTIFICATION FINAL EXAM PREP 2025/2026

ACCURATE QUESTIONS WITH CORRECT DETAILED

ANSWERS || 100% GUARANTEED PASS <RECENT

VERSION>

As of what date did it become unlawful to release class 1 and

class II refrigerants to the atmosphere?


NOVEMBER 14, 1994


JULY 1, 1993


JANUARY 1, 1996


JULY - 1, 1992 .......Answer.........JULY - 1, 1992


What is the ozone layer and why is it important to us on Earth ?

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Protective layer that shields UV in the Troposphere


Thin layer of CFC and HCFC in the atmosphere that filters UV


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


Thin layer of r-22 in the atmosphere that filters UV

.......Answer.........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?


Fluorine


Chlorine

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Carbon


Hydrogen .......Answer.........Chlorine


What is an ozone molecule made of ?


Oxygen and ammonia


Three oxygen atoms (03)


Refrigerant


Ammonia .......Answer.........Three oxygen atoms (03)


Which refrigerant is a CFC ?


R-123


R-12


R-134A

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R-22 .......Answer.........R-12


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


HCFC atoms


a and b


CFC atoms


Chlorine and bromine atoms emitted into the atmosphere

.......Answer.........Chlorine and bromine atoms emitted into the

atmosphere


Which refrigerant is a HFC ?


R-134A


R-123


R-12