SKILLCAT EPA 608 TYPE 1 REVIEW EXAM | QUESTIONS AND
ANSWERS | VERIFIED AND WELL DETAILED ANSWERS | LATEST
EXAM
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? - CORRECT ANSWER - Yes, but they are not the primary
source.
What absorbs and reflects harmful UV rays from the sun? - CORRECT
ANSWER - Ozone, but ground level ozone does not.
How does ozone depletion affect humans? - CORRECT ANSWER - Increased
risk of skin cancer and cataracts.
Is there evidence that refrigerants are in the stratosphere? - CORRECT
ANSWER - Yes.
What is a true statement about chlorine in the atmosphere? - CORRECT
ANSWER - A single chlorine atom can survive for years.
How many atoms of oxygen does ozone have? - CORRECT ANSWER - 3
Where is the majority of ozone located? - CORRECT ANSWER - In the
stratosphere, not the troposphere.
How many molecules of ozone can three molecules of chlorine destroy? -
CORRECT ANSWER - 300,000.
,What is the major function of ozone in the stratosphere? - CORRECT
ANSWER - To absorb and reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere? - CORRECT
ANSWER - Emissions of refrigerant chemicals like CFCs and HCFCs by
humans.
What molecule is responsible for ozone layer destruction? - CORRECT
ANSWER - Chlorine.
What are the effects of ozone depletion? - CORRECT ANSWER - Decreasing
crop yields.
Which refrigerant chemicals destroy the ozone layer? - CORRECT ANSWER
- CFCs and HCFCs.
Who does ozone depletion affect? - CORRECT ANSWER - People all over
the world.
What does the Clean Air Act state about refrigerants that deplete ozone? -
CORRECT ANSWER - It is a violation to purposely vent them.
Can technicians service equipment containing phased-out refrigerants? -
CORRECT ANSWER - Yes.
Where can technicians obtain refrigerants after they are phased out? -
CORRECT ANSWER - From recovered or reclaimed refrigerant.
Can refrigerant be resold? - CORRECT ANSWER - Yes, if it meets AHRI
Standard 700 specifications.
, What refrigerants must equipment be certified to recover? - CORRECT
ANSWER - CFCs, HCFCs, and HFCs.
Who can you sell R-22 refrigerant to? - CORRECT ANSWER - A technician
or business with Section 608 Certification.
Can recovered R-12 refrigerant be used in another person's device? -
CORRECT ANSWER - Yes, if it has been reclaimed to AHRI Standard 700
specifications.
When were all CFCs phased out in the United States? - CORRECT ANSWER
- 1995
When were R-22 and R-142b phased out in the United States? - CORRECT
ANSWER - 2020
When will all HCFCs be phased out in the United States? - CORRECT
ANSWER - 2030
What records must be kept for R-22? - CORRECT ANSWER - Type, dates,
and quantity of refrigerant.
What is Section 608 of the Clean Air Act? - CORRECT ANSWER - Federal
Law.
What must state and local regulations do in relation to federal CAA regulations?
- CORRECT ANSWER - They must be followed and may be stricter.
What does the Venting Prohibition require before opening or servicing
equipment? - CORRECT ANSWER - Recover affected refrigerant.
ANSWERS | VERIFIED AND WELL DETAILED ANSWERS | LATEST
EXAM
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? - CORRECT ANSWER - Yes, but they are not the primary
source.
What absorbs and reflects harmful UV rays from the sun? - CORRECT
ANSWER - Ozone, but ground level ozone does not.
How does ozone depletion affect humans? - CORRECT ANSWER - Increased
risk of skin cancer and cataracts.
Is there evidence that refrigerants are in the stratosphere? - CORRECT
ANSWER - Yes.
What is a true statement about chlorine in the atmosphere? - CORRECT
ANSWER - A single chlorine atom can survive for years.
How many atoms of oxygen does ozone have? - CORRECT ANSWER - 3
Where is the majority of ozone located? - CORRECT ANSWER - In the
stratosphere, not the troposphere.
How many molecules of ozone can three molecules of chlorine destroy? -
CORRECT ANSWER - 300,000.
,What is the major function of ozone in the stratosphere? - CORRECT
ANSWER - To absorb and reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere? - CORRECT
ANSWER - Emissions of refrigerant chemicals like CFCs and HCFCs by
humans.
What molecule is responsible for ozone layer destruction? - CORRECT
ANSWER - Chlorine.
What are the effects of ozone depletion? - CORRECT ANSWER - Decreasing
crop yields.
Which refrigerant chemicals destroy the ozone layer? - CORRECT ANSWER
- CFCs and HCFCs.
Who does ozone depletion affect? - CORRECT ANSWER - People all over
the world.
What does the Clean Air Act state about refrigerants that deplete ozone? -
CORRECT ANSWER - It is a violation to purposely vent them.
Can technicians service equipment containing phased-out refrigerants? -
CORRECT ANSWER - Yes.
Where can technicians obtain refrigerants after they are phased out? -
CORRECT ANSWER - From recovered or reclaimed refrigerant.
Can refrigerant be resold? - CORRECT ANSWER - Yes, if it meets AHRI
Standard 700 specifications.
, What refrigerants must equipment be certified to recover? - CORRECT
ANSWER - CFCs, HCFCs, and HFCs.
Who can you sell R-22 refrigerant to? - CORRECT ANSWER - A technician
or business with Section 608 Certification.
Can recovered R-12 refrigerant be used in another person's device? -
CORRECT ANSWER - Yes, if it has been reclaimed to AHRI Standard 700
specifications.
When were all CFCs phased out in the United States? - CORRECT ANSWER
- 1995
When were R-22 and R-142b phased out in the United States? - CORRECT
ANSWER - 2020
When will all HCFCs be phased out in the United States? - CORRECT
ANSWER - 2030
What records must be kept for R-22? - CORRECT ANSWER - Type, dates,
and quantity of refrigerant.
What is Section 608 of the Clean Air Act? - CORRECT ANSWER - Federal
Law.
What must state and local regulations do in relation to federal CAA regulations?
- CORRECT ANSWER - They must be followed and may be stricter.
What does the Venting Prohibition require before opening or servicing
equipment? - CORRECT ANSWER - Recover affected refrigerant.
