SkillCat EPA 608 EXAM ACTUAL EXAM ALL 244
QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
1. As technicians, we must stay up to date on ________.
A) Only federal laws
B) Federal, state, and local laws
C) Only EPA suggestions
D) International treaties
Correct Answer: B
Rationale: The EPA requires compliance with all
applicable laws. While the Clean Air Act is federal, state
and local municipalities can have stricter regulations
regarding refrigerant handling and safety.
2. For Universal Certification, how many questions does
the exam typically consist of?
A) 50
1
,B) 75
C) 100
D) 150
Correct Answer: C
Rationale: The EPA 608 Universal Certification exam
usually contains 100 questions covering Core, Type I,
Type II, and Type III topics. You must score 70% or higher
in each section to pass.
3. What is the passing grade for all EPA 608
certifications?
A) 65%
B) 70%
C) 75%
D) 80%
Correct Answer: B
Rationale: A score of 70% or higher is required to pass
each section of the EPA 608 exam. If you fail a section,
you only need to retake that specific portion.
2
,4. Is it true or false that regulations regarding refrigerant
handling will stay the same forever?
A) True
B) False
Correct Answer: B
Rationale: Regulations change frequently based on
environmental science and international agreements like
the Montreal Protocol and AIM Act. Technicians must stay
current with updates, especially regarding HFC
phasedowns.
5. Can chlorine from natural resources such as volcanoes
reach the stratosphere?
A) Yes, and it is the primary source
B) No, volcanic chlorine is not reactive
C) Yes, but they are not the primary source
D) No, it stays in the troposphere
Correct Answer: C
Rationale: While natural events do emit chlorine, the
3
, chlorine from CFCs and HCFCs is the primary driver of
ozone depletion because it reaches the stratosphere
intact and is highly reactive.
6. One molecule of chlorine can destroy approximately
how many molecules of ozone?
A) 1,000
B) 10,000
C) 100,000
D) 1,000,000
Correct Answer: C
Rationale: Chlorine acts as a catalyst. A single chlorine
atom can destroy over 100,000 ozone molecules before
it is removed from the stratosphere.
7. Which of the following is a major type of ozone-
depleting substance (ODS)?
A) Hydrocarbons (HCs)
B) Chlorofluorocarbons (CFCs)
C) Carbon Dioxide (CO2)
4
QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
1. As technicians, we must stay up to date on ________.
A) Only federal laws
B) Federal, state, and local laws
C) Only EPA suggestions
D) International treaties
Correct Answer: B
Rationale: The EPA requires compliance with all
applicable laws. While the Clean Air Act is federal, state
and local municipalities can have stricter regulations
regarding refrigerant handling and safety.
2. For Universal Certification, how many questions does
the exam typically consist of?
A) 50
1
,B) 75
C) 100
D) 150
Correct Answer: C
Rationale: The EPA 608 Universal Certification exam
usually contains 100 questions covering Core, Type I,
Type II, and Type III topics. You must score 70% or higher
in each section to pass.
3. What is the passing grade for all EPA 608
certifications?
A) 65%
B) 70%
C) 75%
D) 80%
Correct Answer: B
Rationale: A score of 70% or higher is required to pass
each section of the EPA 608 exam. If you fail a section,
you only need to retake that specific portion.
2
,4. Is it true or false that regulations regarding refrigerant
handling will stay the same forever?
A) True
B) False
Correct Answer: B
Rationale: Regulations change frequently based on
environmental science and international agreements like
the Montreal Protocol and AIM Act. Technicians must stay
current with updates, especially regarding HFC
phasedowns.
5. Can chlorine from natural resources such as volcanoes
reach the stratosphere?
A) Yes, and it is the primary source
B) No, volcanic chlorine is not reactive
C) Yes, but they are not the primary source
D) No, it stays in the troposphere
Correct Answer: C
Rationale: While natural events do emit chlorine, the
3
, chlorine from CFCs and HCFCs is the primary driver of
ozone depletion because it reaches the stratosphere
intact and is highly reactive.
6. One molecule of chlorine can destroy approximately
how many molecules of ozone?
A) 1,000
B) 10,000
C) 100,000
D) 1,000,000
Correct Answer: C
Rationale: Chlorine acts as a catalyst. A single chlorine
atom can destroy over 100,000 ozone molecules before
it is removed from the stratosphere.
7. Which of the following is a major type of ozone-
depleting substance (ODS)?
A) Hydrocarbons (HCs)
B) Chlorofluorocarbons (CFCs)
C) Carbon Dioxide (CO2)
4
