CANS EXAM NEW QUESTIONS AND
ANSWERS LATEST SOLUTION 2026/2027
EDITION
◎ For EPA 608 Universal Certification, how many questions will you receive? ANSWER: - 100
◎ If you need to get type III certification, what will be on your exam? ANSWER: - 50 questions,
25 core and 25 type III questions.
◎ What is the passing grade for all EPA certifications? ANSWER: - 70%
◎ Once you Pass the EPA exam, the regulations you learn will never change. ANSWER: - False
◎ Do natural events like volcanic eruptions contribute to chlorine in the stratosphere?
ANSWER: - Yes, but are not the primary source
◎ True or False: Ground level ozone is what absorbs and reflects harmful UV rays from the sun.
ANSWER: - False
◎ In which of the following ways does ozone depletion affect humans? ANSWER: - Increased
risk of skin cancer and cataracts
◎ Is there evidence that refrigerants are in the stratosphere? ANSWER: - YES
◎ Which of the following statements is TRUE about chlorine? ANSWER: - A single chlorine atom
can survive in the atmosphere for years.
◎ Ozone has __ atoms of oxygen. ANSWER: - 3
◎ The majority of ozone is located in the Troposphere. t or f? ANSWER: - False
◎ How many molecules of ozone can three molecules of chlorine destroy? ANSWER: - 300,000
(100,000 per chlorine molecule)
◎ What is the major function of ozone in the stratosphere? ANSWER: - Absorb and reflect UV
rays from the sun.
,◎ What is the primary source of chlorine in the stratosphere? ANSWER: - Emissions of
refrigerant chemicals such as CFCs and HCFCs by humans.
◎ What molecule destroys the ozone layer? ANSWER: - Chlorine
◎ Which of the following an effects of ozone depletion? ANSWER: - Decreasing crop yields
◎ Which refrigerant chemicals are responsible for the destruction of the ozone layer? ANSWER:
- CFCs and HCFCs
◎ Who does ozone depletion affect? ANSWER: - people all over the world
◎ After refrigerant is phased out, can a technician still service the equipment containing that
refrigerant? ANSWER: - YES
◎ After being phased out, where can technicians obtain refrigerant to service equipment that
contains that refrigerant? ANSWER: - From recovered and reclaimed refrigerant.
◎ Can refrigerant be resold? ANSWER: - Yes, but only if it has been reclaimed to AHRI Standard
700 specifications
◎ Equipment has to be certified to epa standards in order to recover which refrigerants
ANSWER: - CFCs, HCFCs, HFCs
◎ If you are selling R-22 refrigerant, who can you sell to? ANSWER: - A technician with Section
608 certification and a business that employs a technician with Section 608 certification.
◎ If you recover R-12 refrigerant, can you use the recovered refrigerant in another device
owned by a different person? ANSWER: - Yes, but only if it has been reclaimed to AHRI Standard
700 specifications.
◎ In the United States, when were all CFCs phased out by? ANSWER: - 1995
◎ In the United States, when were R-22 and R-142b phased out? ANSWER: - 2020
◎ In the United States, when will all HCFCs be phased out? ANSWER: - 2030
◎ Which of the following records must be kept for an R-22?
,A. Type of refrigerant
B. Dates
C. Quantity of refrigerant
D. Model of appliance ANSWER: - Type of refrigerant, dates, and Quantity
◎ Section 608 of the Clean Air Act is: ANSWER: - federal law
◎ State and Local Regulations ____ (select all that apply)
A. Have to be followed in addition to federal CAA regulations
B. Have to be followed instead of federal CAA regulations
C. May be stricter than federal CAA regulations
D. Are a suggestion ANSWER: - A. And C.
◎ The Venting Prohibition requires that you recover affected refrigerant before (Select all that
apply):
A. Opening equipment
B. Servicing equipment
C. Disposing of equipment
D. Manufacturing equipment ANSWER: - Opening equipment, servicing equipment, disposing
equipment
◎ Under Section 608 Regulations, who is responsible for ensuring that all refrigerant is removed
before disposing of equipment that contains it? ANSWER: - The final person in the disposal
chain.
◎ What appliances do Section 608 regulations apply to?
Freezers
, Desiccant dehumidifiers
Both
None ANSWER: - Freezers
◎ What does SNAP stand for? ANSWER: - Significant New Alternatives Policy
◎ What is the fine for violating the Clean Air Act (as of 2017)? ANSWER: - $44,539 per day per
violation
◎ What is the Montreal Protocol? ANSWER: - An international agreement between 197
countries
◎ What is the purpose of Section 608? (Select all that apply)
Answer
A. To protect the ozone layer
B. To regulate use of chemicals that deplete ozone
C. To raise money through fines
D. Economic reasons ANSWER: - A and B
◎ What is the purpose of SNAP? (Select all that apply)
Answer
A. To evaluate alternative refrigerants
B. To further the goals of the CAA
C. To consider effects of substitute refrigerants on humans
D. To consider effects of substitute refrigerants on the environment ANSWER: - All of them
◎ What do you do if you discover that you have added Refrigerant B to a system that contained
Refrigerant A?
Consider that Refrigerant A is ozone-depleting. ANSWER: - Recover the mixture in a separate
recovery cylinder.
◎ What needs to be done before disposing of equipment that contains CFCs, HCFCs, or their
substitutes? ANSWER: - Recover the equipment
◎ What other appliances do Section 608 regulations apply to?
ANSWERS LATEST SOLUTION 2026/2027
EDITION
◎ For EPA 608 Universal Certification, how many questions will you receive? ANSWER: - 100
◎ If you need to get type III certification, what will be on your exam? ANSWER: - 50 questions,
25 core and 25 type III questions.
◎ What is the passing grade for all EPA certifications? ANSWER: - 70%
◎ Once you Pass the EPA exam, the regulations you learn will never change. ANSWER: - False
◎ Do natural events like volcanic eruptions contribute to chlorine in the stratosphere?
ANSWER: - Yes, but are not the primary source
◎ True or False: Ground level ozone is what absorbs and reflects harmful UV rays from the sun.
ANSWER: - False
◎ In which of the following ways does ozone depletion affect humans? ANSWER: - Increased
risk of skin cancer and cataracts
◎ Is there evidence that refrigerants are in the stratosphere? ANSWER: - YES
◎ Which of the following statements is TRUE about chlorine? ANSWER: - A single chlorine atom
can survive in the atmosphere for years.
◎ Ozone has __ atoms of oxygen. ANSWER: - 3
◎ The majority of ozone is located in the Troposphere. t or f? ANSWER: - False
◎ How many molecules of ozone can three molecules of chlorine destroy? ANSWER: - 300,000
(100,000 per chlorine molecule)
◎ What is the major function of ozone in the stratosphere? ANSWER: - Absorb and reflect UV
rays from the sun.
,◎ What is the primary source of chlorine in the stratosphere? ANSWER: - Emissions of
refrigerant chemicals such as CFCs and HCFCs by humans.
◎ What molecule destroys the ozone layer? ANSWER: - Chlorine
◎ Which of the following an effects of ozone depletion? ANSWER: - Decreasing crop yields
◎ Which refrigerant chemicals are responsible for the destruction of the ozone layer? ANSWER:
- CFCs and HCFCs
◎ Who does ozone depletion affect? ANSWER: - people all over the world
◎ After refrigerant is phased out, can a technician still service the equipment containing that
refrigerant? ANSWER: - YES
◎ After being phased out, where can technicians obtain refrigerant to service equipment that
contains that refrigerant? ANSWER: - From recovered and reclaimed refrigerant.
◎ Can refrigerant be resold? ANSWER: - Yes, but only if it has been reclaimed to AHRI Standard
700 specifications
◎ Equipment has to be certified to epa standards in order to recover which refrigerants
ANSWER: - CFCs, HCFCs, HFCs
◎ If you are selling R-22 refrigerant, who can you sell to? ANSWER: - A technician with Section
608 certification and a business that employs a technician with Section 608 certification.
◎ If you recover R-12 refrigerant, can you use the recovered refrigerant in another device
owned by a different person? ANSWER: - Yes, but only if it has been reclaimed to AHRI Standard
700 specifications.
◎ In the United States, when were all CFCs phased out by? ANSWER: - 1995
◎ In the United States, when were R-22 and R-142b phased out? ANSWER: - 2020
◎ In the United States, when will all HCFCs be phased out? ANSWER: - 2030
◎ Which of the following records must be kept for an R-22?
,A. Type of refrigerant
B. Dates
C. Quantity of refrigerant
D. Model of appliance ANSWER: - Type of refrigerant, dates, and Quantity
◎ Section 608 of the Clean Air Act is: ANSWER: - federal law
◎ State and Local Regulations ____ (select all that apply)
A. Have to be followed in addition to federal CAA regulations
B. Have to be followed instead of federal CAA regulations
C. May be stricter than federal CAA regulations
D. Are a suggestion ANSWER: - A. And C.
◎ The Venting Prohibition requires that you recover affected refrigerant before (Select all that
apply):
A. Opening equipment
B. Servicing equipment
C. Disposing of equipment
D. Manufacturing equipment ANSWER: - Opening equipment, servicing equipment, disposing
equipment
◎ Under Section 608 Regulations, who is responsible for ensuring that all refrigerant is removed
before disposing of equipment that contains it? ANSWER: - The final person in the disposal
chain.
◎ What appliances do Section 608 regulations apply to?
Freezers
, Desiccant dehumidifiers
Both
None ANSWER: - Freezers
◎ What does SNAP stand for? ANSWER: - Significant New Alternatives Policy
◎ What is the fine for violating the Clean Air Act (as of 2017)? ANSWER: - $44,539 per day per
violation
◎ What is the Montreal Protocol? ANSWER: - An international agreement between 197
countries
◎ What is the purpose of Section 608? (Select all that apply)
Answer
A. To protect the ozone layer
B. To regulate use of chemicals that deplete ozone
C. To raise money through fines
D. Economic reasons ANSWER: - A and B
◎ What is the purpose of SNAP? (Select all that apply)
Answer
A. To evaluate alternative refrigerants
B. To further the goals of the CAA
C. To consider effects of substitute refrigerants on humans
D. To consider effects of substitute refrigerants on the environment ANSWER: - All of them
◎ What do you do if you discover that you have added Refrigerant B to a system that contained
Refrigerant A?
Consider that Refrigerant A is ozone-depleting. ANSWER: - Recover the mixture in a separate
recovery cylinder.
◎ What needs to be done before disposing of equipment that contains CFCs, HCFCs, or their
substitutes? ANSWER: - Recover the equipment
◎ What other appliances do Section 608 regulations apply to?
