A2L Test Paper Questions with Correct Answers (Grade A+)
Question 1: ASHRAE 34 Classification A1
Answer: Toxicity: non-toxic, Flammability: non-flammable or low flame
propagation
Question 2: HFO Molecule
Answer: Hydrofluoro olefin with low GWP and double bonded carbons
Question 3: 1234YF Refrigerant
Answer: Commonly used in automobiles, low GWP of 4
Question 4: R32 Refrigerant
Answer: Commonly used in Asian-driven equipment like Mini Splits
Question 5: R454B Refrigerant
Answer: Replacing 410A, mildly flammable, GWP around 466-467
Question 6: Poe Oil
Answer: Polyolester oil used in refrigeration compressors
Question 7: Ozone Depletion
Answer: Historical concern, addressed by Montreal Protocol
Question 8: DuPont
Answer: Parent company of Comores, spin-off in 2015
Question 9: Freon
Answer: Trademark name for refrigerants, now owned by Comores
Page 1
, Question 10: GWP
Answer: Global Warming Potential, a measure of greenhouse gas
emissions
Question 11: CC Stock Market Symbol
Answer: Comores stock market symbol
Question 12: Comfort Cooling
Answer: Primary focus of refrigerants for residential cooling
Question 13: EPA Cards
Answer: Certification cards related to environmental protection
Question 14: Montreal Protocol
Answer: International treaty to protect the ozone layer
Question 15: NASA Ozone Image
Answer: Visual representation of the ozone layer from 2008
Question 16: Licensed Journeyman
Answer: Certified tradesperson with 31 years of experience
Question 17: A2L Tank Design
Answer: Specific design for handling A2L refrigerants safely
Question 18: A2L Safety
Answer: Protocols for handling mildly flammable refrigerants
Question 19: Educational Resources
Answer: Materials to enhance knowledge on refrigerant handling
Question 20: Kimores
Answer: Spin-off of DuPont, focused on lower GWP refrigerants
Page 2
Question 1: ASHRAE 34 Classification A1
Answer: Toxicity: non-toxic, Flammability: non-flammable or low flame
propagation
Question 2: HFO Molecule
Answer: Hydrofluoro olefin with low GWP and double bonded carbons
Question 3: 1234YF Refrigerant
Answer: Commonly used in automobiles, low GWP of 4
Question 4: R32 Refrigerant
Answer: Commonly used in Asian-driven equipment like Mini Splits
Question 5: R454B Refrigerant
Answer: Replacing 410A, mildly flammable, GWP around 466-467
Question 6: Poe Oil
Answer: Polyolester oil used in refrigeration compressors
Question 7: Ozone Depletion
Answer: Historical concern, addressed by Montreal Protocol
Question 8: DuPont
Answer: Parent company of Comores, spin-off in 2015
Question 9: Freon
Answer: Trademark name for refrigerants, now owned by Comores
Page 1
, Question 10: GWP
Answer: Global Warming Potential, a measure of greenhouse gas
emissions
Question 11: CC Stock Market Symbol
Answer: Comores stock market symbol
Question 12: Comfort Cooling
Answer: Primary focus of refrigerants for residential cooling
Question 13: EPA Cards
Answer: Certification cards related to environmental protection
Question 14: Montreal Protocol
Answer: International treaty to protect the ozone layer
Question 15: NASA Ozone Image
Answer: Visual representation of the ozone layer from 2008
Question 16: Licensed Journeyman
Answer: Certified tradesperson with 31 years of experience
Question 17: A2L Tank Design
Answer: Specific design for handling A2L refrigerants safely
Question 18: A2L Safety
Answer: Protocols for handling mildly flammable refrigerants
Question 19: Educational Resources
Answer: Materials to enhance knowledge on refrigerant handling
Question 20: Kimores
Answer: Spin-off of DuPont, focused on lower GWP refrigerants
Page 2
