EPA SECTION 608 CORE Exam |Questions with
100% Verified Answers
Which type of lubricants are HFO refrigerants
Miscible in?
a. AB lubricants
b. POE lubricants
c. Mineral oils
d. All refrigerant lubricants - ✔️✔️b. POE lubricants
What characteristics of CFCs and HCFCs make them more likely to reach the stratosphere than
most other compounds containing chlorine?
a. They do not dissolve in water or easily break down in the atmosphere.
b. They are lighter than other chlorine compounds, making it easier for them to reach the
stratosphere when released.
c. They are stored under pressure, causing them to jet upward when released.
d. They are attracted to Ultraviolet radiation. - ✔️✔️a. They do not dissolve in water or easily
break down in the atmosphere
Which refrigerant does not contain chlorine?
a. R-134a
b. R-12
c. R-22
d. R-124 - ✔️✔️a. R-134a
From which of the following does the ozone layer
protect the earth?
a. Nuclear radiation from the Van Allen belt.
,b. Gamma radiation form the sun.
c. Ultraviolet radiation from the sun.
d. Infrared radiation from the sun. - ✔️✔️c. Ultraviolet radiation from the sun.
What is the name of the EPA's program that identifies refrigerants with lower overall risks to
human health and the environment?
a. The Significant New Alternatives Policy (SNAP)
Program.
b. The GreenChill Program
c. The Approved ASHRAE List(AAL)
d. Energy Star - ✔️✔️a. The Significant New Alternatives Policy (SNAP) Program.
Which of the following refrigerants have an ozone
depletion potential of more than zero?
a. R-600a and R-441A
b. R-134a and R-410A
c. R-123 and r-22
d. R-290 and r-404A - ✔️✔️c. R-123 and r-22
What is one of the most serious results of damage to
the stratospheric ozone layer?
a. Increased acid rain
b. Increased rates of asthma
c. Increased rates of skin cancer in humans
d. Higher natural background radioactivity - ✔️✔️c. Increased rates of skin cancer in humans
Distributors must verify which of the following before they can sell HFC or HCFC refrigerant?
, a. The Distributor is a section 608 certified distributor.
b. The distributor is selling section 608 certified
refrigerant.
c. The purchaser owns certified recovery and/or
recycling equipment.
d. The purchaser is or employs a Section 608 certified technician. - ✔️✔️d. The purchaser is or
employs a Section 608
certified technician.
After the phase-out of a refrigerant, where will supplies of that refrigerant for equipment
servicing come from?
a. recovery and reclaimed gas
b. solvent conversion
c. foreign manufacturers
d. Exemptions granted under the Montreal Protocol - ✔️✔️a. recovery and reclaimed gas
Which of the following is a lawful use of HCFC-22?
a. Creating new air conditioner systems using "dry-
charge" components?
b. Servicing existing R-22 systems.
c. Charging any new system designed for R-407C.
d. Retrofitting any equipment. - ✔️✔️b. Servicing existing R-22 systems.
Which of the following refrigerants contain chlorine?
a. R-22
b. R-134a
c. R-410a
d. R-1234yf - ✔️✔️a. R-22
100% Verified Answers
Which type of lubricants are HFO refrigerants
Miscible in?
a. AB lubricants
b. POE lubricants
c. Mineral oils
d. All refrigerant lubricants - ✔️✔️b. POE lubricants
What characteristics of CFCs and HCFCs make them more likely to reach the stratosphere than
most other compounds containing chlorine?
a. They do not dissolve in water or easily break down in the atmosphere.
b. They are lighter than other chlorine compounds, making it easier for them to reach the
stratosphere when released.
c. They are stored under pressure, causing them to jet upward when released.
d. They are attracted to Ultraviolet radiation. - ✔️✔️a. They do not dissolve in water or easily
break down in the atmosphere
Which refrigerant does not contain chlorine?
a. R-134a
b. R-12
c. R-22
d. R-124 - ✔️✔️a. R-134a
From which of the following does the ozone layer
protect the earth?
a. Nuclear radiation from the Van Allen belt.
,b. Gamma radiation form the sun.
c. Ultraviolet radiation from the sun.
d. Infrared radiation from the sun. - ✔️✔️c. Ultraviolet radiation from the sun.
What is the name of the EPA's program that identifies refrigerants with lower overall risks to
human health and the environment?
a. The Significant New Alternatives Policy (SNAP)
Program.
b. The GreenChill Program
c. The Approved ASHRAE List(AAL)
d. Energy Star - ✔️✔️a. The Significant New Alternatives Policy (SNAP) Program.
Which of the following refrigerants have an ozone
depletion potential of more than zero?
a. R-600a and R-441A
b. R-134a and R-410A
c. R-123 and r-22
d. R-290 and r-404A - ✔️✔️c. R-123 and r-22
What is one of the most serious results of damage to
the stratospheric ozone layer?
a. Increased acid rain
b. Increased rates of asthma
c. Increased rates of skin cancer in humans
d. Higher natural background radioactivity - ✔️✔️c. Increased rates of skin cancer in humans
Distributors must verify which of the following before they can sell HFC or HCFC refrigerant?
, a. The Distributor is a section 608 certified distributor.
b. The distributor is selling section 608 certified
refrigerant.
c. The purchaser owns certified recovery and/or
recycling equipment.
d. The purchaser is or employs a Section 608 certified technician. - ✔️✔️d. The purchaser is or
employs a Section 608
certified technician.
After the phase-out of a refrigerant, where will supplies of that refrigerant for equipment
servicing come from?
a. recovery and reclaimed gas
b. solvent conversion
c. foreign manufacturers
d. Exemptions granted under the Montreal Protocol - ✔️✔️a. recovery and reclaimed gas
Which of the following is a lawful use of HCFC-22?
a. Creating new air conditioner systems using "dry-
charge" components?
b. Servicing existing R-22 systems.
c. Charging any new system designed for R-407C.
d. Retrofitting any equipment. - ✔️✔️b. Servicing existing R-22 systems.
Which of the following refrigerants contain chlorine?
a. R-22
b. R-134a
c. R-410a
d. R-1234yf - ✔️✔️a. R-22
