SkillCat EPA Type 2 Practice Test

These questions are part of the practice quiz. Start practicing

• Which combination correctly matches refrigerant type with example?
• HFO's contain which elements?
• Which refrigerant categories are included in the group that requires EPA standards to recover?
• When charging refrigerant blends, you should charge them as a liquid.
• After a refrigerant has been phased out, where can technicians obtain refrigerant to service equipment that contains that refrigerant?
• Which statement about ternary blends is correct?
• Which of the following is least likely to be a common leak location in HVAC systems?
• Which components change the refrigerant's pressure?
• Who can you sell a R-22 refrigerant to?
• Which statement about GWP values is true?
• Which components are associated with the high-pressure side of a refrigeration system?
• What is the fine for violating the Clean Air Act (As of 2017)?
• What is the state of the refrigerant as it exits the metering device?
• Which refrigerant has the lowest global warming potential (GWP)?
• An ideal oil is best at handling only high temperatures and high pressures.
• Which refrigerant is a hydrofluorocarbon?
• R-410A is an A1 refrigerant. It is non-toxic and has low flammability, making it one of the safest refrigerants to use.
• Which refrigerant is not HCFC?
• Which of the following is true about HFCs compared to many CFCs?
• What is the passing grade for the EPA exam?
• What is the state of the refrigerant when it exits the evaporator?
• What is the ODP of R-441a?
• Which standard specifies the requirements for reclaimed refrigerants used in service?
• If you accidently mix two refrigerants what do you do?
• The lowest number for an ozone depletion potential (ODP) is 1.
• Why are HFCs still considered harmful to the environment?
• The Clean Air Act states its a violation to purposely vent refrigerants that deplete ozone.
• T or F: When sending used refrigerants to be reclaimed, you must use disposable refrigerant cylinders.
• What is the ozone depletion potential (ODP) value of R-441a?
• What refrigerant is R-12 and R-11?
• Ammonia is safe to use because it is a natural refrigerant.
• The Montreal Protocol is aimed at phasing out ozone-depleting substances.
• For hazard class 2.2 refrigerants, which shipping paper item should be included?
• Which of the following is a reason to not mix your own refrigerants?
• Does Section 608 regulations apply to Freezers?
• What does SNAP stand for?
• Which component increases the refrigerant pressure?
• What is the ODP of R-600a?
• R-11 can also be called ____
• After you pass the EPA exam, regulations can still change.
• Does the refrigerant change state in the compressor
• Which elements are present in HFO refrigerants?
• Which of the following records must be kept for R-22?
• Condensation happens when a gas or vapor cools down and becomes liquid.
• Which oil should be used when retrofitting a system to R-134a?
• Which substance is most closely associated with ozone destruction in the stratosphere as a catalyst, not consumed in the reaction?
• R-290 corresponds to which hydrocarbon?
• What is the definition of dew point as described in the material?
• Which refrigerant has the highest global warming potential (GWP)?
• What is the condenser's primary job in the refrigerant cycle?
• Which layer's ozone is responsible for absorbing ultraviolet radiation from the sun?
• Ground-level ozone is primarily a pollutant that poses health risks.
• Which statement about the dew point is correct according to the content?
• Which types of refrigerants have the lowest global warming potentials (GWPs)?
• Droplets forming on the underside of a pot lid while boiling indicate condensation.
• After leaving the condenser, the refrigerant enters which component next and in what state?
• The venting prohibitions require you to recover affected refrigerant before which activities?
• Which statement about the GWP ranges of R-12 and R-410A is true?
• Which of the following is a common human-made source of chlorine-releasing compounds that affect the ozone layer?
• Who does ozone depletion affect?
• Alkylbenzene (AB) oil is miscible in HCFC refrigerants.
• Refrigerant blends need to be charged as a liquid.
• Natural events like volcanoes contribute to atmospheric chlorine.
• Which of the following classes refers to a refrigerant with low toxicity?
• When were all CFCs phased out in the US?
• Which statement is true about boiling?
• What does reclaimed refrigerant mean in this context?
• Can you use recovered refrigerant in another unit owned by a different person?
• There is evidence that refrigerants are present in the stratosphere.
• An ideal oil should be readily miscible with the refrigerant.
• Which organization administers the AHRI 700 standard?
• Which statement about GWP reference gas is true?
• Which statement about fractionation of refrigerants is true?
• Are carbon dioxide, water, and nitrogen included in Section 608 regulations?
• Which of the following is considered retrofitting?
• What does the acronym CFC stand for?
• When retrofitting a system to R-134a, which oil should be used?
• Refrigerant blends take on the ASHRAE number of the main refrigerant in the blend.
• Which statement best describes the refrigerant R-1234y?
• Which of the following is a common human-made source of chlorine-releasing compounds that affect the ozone layer?
• The Venting Prohibition covers venting of which refrigerants?
• Which safety classification is most safe to use?
• If a refrigerant has an ODP of 0.055, it contains which and could be which refrigerant?
• Which organizations can test your recovery equipment used to service an HVAC system?
• The lowest ozone depletion potential (ODP) value is 1.
• R-410a GWP range is in which of the following?
• Where is the majority of Earth's ozone located?
• After refrigerant is phased out can technicians still work on equipment that contains that refrigerant?
• How many questions are on the EPA exam?
• What is the compressor's job in the refrigerant cycle?
• What is the purpose of Section 608?
• What happens to a liquid when pressure increases at constant temperature according to the material?
• If a refrigerant has a drop-in replacement, then no retrofit is needed.
• Which statement correctly describes GWP?
• What is bubble point?
• Which statement describes the condenser's state change?
• The GWPs of HFOs and HCs are close to those of HCFCs.
• R-407c is an azeotropic blend.
• Which component has the opposite function to the condenser?
• R-12 is also called which of the following?
• R-410A is the same as which?
• Which layer contains ozone that protects against UV radiation?
• Ozone depletion increases the risk of what health issues?
• True or False: The vapor leaving the compressor is at a higher pressure than the vapor entering.
• What safety classification do HFO refrigerants typically fall under?
• Which of the following is a natural refrigerant?
• R-11 and R-12 are which type of refrigerants?
• Boiling requires the addition of heat.
• What is the most common HCFC today?
• Ozone depletion is a global issue affecting which of the following groups?
• When shipping refrigerants in hazard class 2.2, what information needs to be on the shipping paper?
• Can you purchase nitrogen without a 608 certification?
• Which information is most essential to include on the label of a container sent for reclamation?
• In a typical vapor compression cycle, the vapor leaving the compressor is at a higher pressure than the vapor entering.
• What does HFC stand for?
• Section 608 coverage includes which groups?
• What is the main source of chlorine in the atmosphere?
• Air conditioning works by adding cold air into your house.
• Under 608 regulations who is responsible for ensuring that all refrigerant is reclaimed before disposing all equipment?
• R-134a is the same as which refrigerant?
• R-1234yf is the same as which refrigerant?
• Which of the following classes refers to a refrigerant that is not flammable at all?
• HCFC stands for?
• Which statement defines the boiling point most accurately?
• The Montreal Protocol is an international agreement between how many countries?
• What is temperature glide?
• Which statement is true about reclaiming used refrigerants?
• Three chlorine atoms can destroy how many ozone molecules?
• ODP stands for ozone depletion potential.
• The boiling point is the temperature at which a substance changes from a liquid state to a vapor or gas state.
• Which device reduces the refrigerant pressure before it returns to the evaporator?
• What is the least possible ODP for a refrigerant?
• Hygroscopic oils have which characteristic?
• The refrigerant absorbs heat from your indoor air in order to
• What does HFO stand for?
• Which refrigerant is a natural refrigerant?
• If a gas has a GWP of 50, it means it has 50 times less global warming potential than carbon dioxide.
• Which statement is true about CFCs?
• Which refrigerant is an HCFC?
• Which state has the highest temperature?
• Which refrigerant is HCFC?
• What is the ozone depletion potential (ODP) value of R-600a?
• Which of the following is a common way that leaks can occur?
• Equipment that uses nitrogen as a refrigerant isn't under the 608 regulations true or false?
• How long can a single chlorine atom survive in the atmosphere?
• Which safety class is associated with mildly flammable refrigerants?
• What is considered de minimis releases?
• When shipping used refrigerants for reclaim, which cylinder type should be used?
• Which statement about venting prohibitions is true?
• The state of the refrigerant as it leaves the evaporator is typically
• R-410A is classified as an A1 refrigerant.
• Which statement is true about HCFCs?
• Which standard must reclaimed refrigerant meet to be used in another unit?
• Hydrolysis is when refrigerant oils break down in the presence of water.
• Which of the following classes refers to a refrigerant with high toxicity?
• In the condenser, the refrigerant changes state.
• Which statement correctly relates CFCs and HCFCs?
• What elements do HFCs have?
• When shipping refrigerant that has been used, which of the following must we do?
• Which safety classification is most dangerous to use?
• R-410a is the same as which refrigerant?
• GWP is a measure of how much energy a gas traps in the atmosphere over 100 years.
• What is the highest possible ozone depletion potential (ODP) among CFC, HCFC, HFC, or HFO refrigerants?
• Section 608 of the Clean Air Act is what type of Law?
• What is the main safety concern with R-410a?
• Besides fluorine and chlorine, HCFCs contain which elements?
• Which refrigerant chemicals are responsible for the destruction of the ozone layer?
• Can polyester oils be mixed with any other oils?
• Which of the following statements about phase changes is true?
• Which halogen elements can be found in HCFCs?
• Which statement is true about condensation?
• Which statement about ozone depletion and UV radiation at Earth's surface is true?
• Which statement about HFO refrigerants such as 1234yf is true?
• Natural refrigerants include which of the following?
• What molecule destroys ozone?
• HCFCs contain hydrogen and carbon in addition to fluorine and chlorine.
• Which organization issues policy to provide refrigerant alternatives?
• What is the purpose of the evaporator in a cooling system?
• In the US when were R-22 and R-142b phased out?
• Which of the following provides safety data for refrigerants?
• R-1234yf is not miscible with any refrigerant oils.
• What is the state of the refrigerant as it exits the evaporator?
• Provided that the oil is non-flammable at both the initial and final temperatures, it is suitable for use since the system is enclosed.
• R-1234yf is what type?
• Which elements are contained in CFCs?
• What is a ternary blend?
• Environmental technicians must stay up to date on which laws?
• Is a decrease in crop yields a result of ozone depletion?
• Ozone depletion increases exposure to ultraviolet radiation for crops.
• R-12 and R-11 belong to which refrigerant group?
• Section 608 regulations apply to which of the following equipment?
• In addition to EPA regulations, which laws must be followed too?
• AB oil is miscible in HCFC blends.
• R-600A and HC-600A are what type of refrigerants?
• The boiling point of most refrigerants is 212 °F.
• After the refrigerant passes through the evaporator it goes to the
• Which refrigerant is also known as CFC-12?
• Who does not have to maintain proper records of refrigerants?
• True or False: Condensation is the process of water vapor turning into liquid.
• Alkylbenzene (AB) oil is miscible in HCFC refrigerants.
• As the temp of a liquid increases
• What is the function of the metering device in the refrigerant cycle?
• Which refrigerant is a CFC?
• Which refrigerant classification refers to a refrigerant that has low flammability?
• Which oil is used for retrofitting to R-134a?
• What is the state of the refrigerant when it enters the compressor from the evaporator?
• Which scenario would be considered a de minimis release?
• Which statement about R-290 is true?
• What must be done before disposing equipment containing refrigerant?
• Which state describes the refrigerant immediately before entering the condenser?
• Can nitrogen be purchased without a 608 certification?
• R-12 has a GWP in which of the following ranges?
• What is the state of the refrigerant as it enters the metering device?
• The definition of dew point used here refers to when the first refrigerant in a blend turns to liquid.
• Which refrigerant is an HFO?
• T or F Hydrocarbons Are generally A3 refrigerants?
• In a zeotropic blend, all refrigerants have the same boiling point.
• Which is an HFC refrigerant?
• What does GWP measure?
• Which statement best describes the source of atmospheric chlorine?
• There are no drop-in replacements for R-22 refrigerant.
• Which statement best describes chlorine content in CFCs and HCFCs?
• Which statement about ozone is accurate?
• What information needs to be on the label of a container sent for reclamation?
• A technician who violates the Clean Air Act may
• Which practice ensures proper labeling during shipment of refrigerants?
• For the same substance, at the same temperature, the average speed of molecules in a vapor is the same as the average speed of molecules in a liquid.
• When pressure is increased on a liquid while keeping the temperature constant, what state can the substance change into?
• Which type of refrigerants are most harmful to the ozone layer?
• There are retrofit refrigerants for R-22.
• Can refrigerants be resold?
• R-22 is classified as which refrigerant type?
• Which of the following is NOT a natural refrigerant?
• An ideal oil is readily miscible with the refrigerant in the system.
• The SNAP program evaluates substitutes by considering effects on whom?
• In what position are cylinders of refrigerant generally required to be shipped?
• Which statement about ozone-depleting refrigerants is true?
• Where can you find any safety-related information on refrigerants you're handling?
• Which statement about ternary blends is correct?
• What is the purpose of SNAP?
• What is the major function of ozone in the stratosphere?
• Which gas is used as a reference for measuring GWP?
• Which statement is true about R-12 and R-11?
• What is the state of the refrigerant as it enters the condenser?
• If we decrease the pressure of a substance, its boiling point decreases.
• R-1234yf is not miscible with any refrigerant oils.
• Which statement defines the boiling point most accurately?
• GWP of HFOs and HCs relative to HCFCs are close.
• Equipment must be certified to EPA standards to recover which groups of refrigerants?
• The new subclass (2L) describes which refrigerants?
• When will all HCFCs be phased out in the US?