1
EPA 608 UNIVERSAL PRACTICE COMPREHESIVE
EXAMINATION ACADEMIC YEAR 2026-27 QUESTIONS
CORRECT ANSWER AND RATIONALES
1. As technicians, we must stay up to date on which type of laws?
A) Federal laws only
B) State laws only
C) Local laws only
D) Federal, state, and local laws
Answer: D) Federal, state, and local laws
Rationale: HVAC technicians must comply with all applicable regulations at
every level of government. While Section 608 of the Clean Air Act is federal
law, state and local jurisdictions may have additional or stricter
requirements. Failure to follow any applicable regulation can result in
penalties .
2. For Universal Certification, how many questions will you receive on the exam?
A) 50
B) 75
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C) 100
D) 125
Answer: C) 100
Rationale: The Universal Certification exam consists of 100 total questions:
25 Core questions plus 25 questions for each of the three types (Type I, Type
II, and Type III). Technicians seeking certification for only one specialty will
take 50 questions (25 Core + 25 for their specific type) .
3. What is the passing grade for all EPA Section 608 certifications?
A) 60%
B) 70%
C) 75%
D) 80%
Answer: B) 70%
Rationale: To pass any EPA 608 certification exam (Core, Type I, Type II, Type III,
or Universal), a technician must correctly answer at least 70% of the
questions in each section. For a 25-question section, this means getting at
least 18 questions correct .
4. True or False: Once you pass the EPA exam, the regulations you learn will
,3
never change.
A) True
B) False
Answer: B) False
Rationale: Environmental regulations, refrigerant phase-out schedules, and
EPA requirements evolve over time. Technicians must stay current with
changes through continuing education, industry updates, and periodic
recertification
,4
updates. Regulations that were in effect at the time of passing may be
amended or replaced .
5. Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere?
A) Yes, and they are the primary source
B) Yes, but they are not the primary source
C) No, only human activities release chlorine
D) No, volcanic eruptions release sulfur, not chlorine
Answer: B) Yes, but they are not the primary source
Rationale: While natural events such as volcanic eruptions do release some
chlorine compounds into the atmosphere, the primary source of chlorine in
the stratosphere is human-made chlorofluorocarbons (CFCs) and
hydrochlorofluorocarbons (HCFCs) used as refrigerants, solvents, and
propellants .
6. True or False: Ground-level ozone is what reflects and absorbs harmful UV
rays from the sun.
A) True
B) False
EPA 608 UNIVERSAL PRACTICE COMPREHESIVE
EXAMINATION ACADEMIC YEAR 2026-27 QUESTIONS
CORRECT ANSWER AND RATIONALES
1. As technicians, we must stay up to date on which type of laws?
A) Federal laws only
B) State laws only
C) Local laws only
D) Federal, state, and local laws
Answer: D) Federal, state, and local laws
Rationale: HVAC technicians must comply with all applicable regulations at
every level of government. While Section 608 of the Clean Air Act is federal
law, state and local jurisdictions may have additional or stricter
requirements. Failure to follow any applicable regulation can result in
penalties .
2. For Universal Certification, how many questions will you receive on the exam?
A) 50
B) 75
,2
C) 100
D) 125
Answer: C) 100
Rationale: The Universal Certification exam consists of 100 total questions:
25 Core questions plus 25 questions for each of the three types (Type I, Type
II, and Type III). Technicians seeking certification for only one specialty will
take 50 questions (25 Core + 25 for their specific type) .
3. What is the passing grade for all EPA Section 608 certifications?
A) 60%
B) 70%
C) 75%
D) 80%
Answer: B) 70%
Rationale: To pass any EPA 608 certification exam (Core, Type I, Type II, Type III,
or Universal), a technician must correctly answer at least 70% of the
questions in each section. For a 25-question section, this means getting at
least 18 questions correct .
4. True or False: Once you pass the EPA exam, the regulations you learn will
,3
never change.
A) True
B) False
Answer: B) False
Rationale: Environmental regulations, refrigerant phase-out schedules, and
EPA requirements evolve over time. Technicians must stay current with
changes through continuing education, industry updates, and periodic
recertification
,4
updates. Regulations that were in effect at the time of passing may be
amended or replaced .
5. Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere?
A) Yes, and they are the primary source
B) Yes, but they are not the primary source
C) No, only human activities release chlorine
D) No, volcanic eruptions release sulfur, not chlorine
Answer: B) Yes, but they are not the primary source
Rationale: While natural events such as volcanic eruptions do release some
chlorine compounds into the atmosphere, the primary source of chlorine in
the stratosphere is human-made chlorofluorocarbons (CFCs) and
hydrochlorofluorocarbons (HCFCs) used as refrigerants, solvents, and
propellants .
6. True or False: Ground-level ozone is what reflects and absorbs harmful UV
rays from the sun.
A) True
B) False
