EPA 608 EXAM PRACTICE QUESTIONS 1-100 LATEST
WITH ANSWERS/2024-2025
1.Ozone depletion is caused by in HFC refrigerants.: chlorine
2.CFCs and HCFCs making them capable capable of reaching the stratospheric
ozone layer.: do not dissolve in water or easily break down in
the atmosphere
3.According to the Rolanda-Molina theory, are destroyed by each
chlorine atom in the stratosphere.: 100,000 ozone molecules
4.The stratospheric ozone layer protects us from .: ultraviolet radiation from
the sun
5.Which health effect increases from loss of the stratospheric ozone layer?-
: cases of cataracts or skin cancer
6.What proves that HCFCs are in the stratosphere?: HCFCs found in air samples from the
stratosphere.
7.What makes HFC refrigerants damaging to the environment?: They can have very high
global warming potentials.
EPA 608 EXAM PRACTICE QUESTIONS 1-100 LATEST WITH ANSWERS 2024-2025
, 8. makes HFO refrigerants less flammable than HC refrigerants.: -
Flourine
9.Which refrigerant contains chlorine?: R-12
10.HFO refrigerants are miscible in lubricants.: POE lubricants
11.An example of HcFC refrigerant is:______________R-123
12.What is being done in the U.S. to stop damage to the stratospheric ozone layer?:
Eliminating the use of CFCs and HCFCs refrigerants
13.EPA regulations require appliances to have .: a service aperture or
process hub
14.The release of any CFC, HCFC, or HFC refrigerant during is
illegal.: theft of equipment
15. is the only EPA SNAP approved "drop in" replacement for R-22.:
There are no direct drop-in refrigerant substitutes
16.Ester-based oils like POE can be mixed with .: no other oils
17.What provides the cooling in a vapor compression refrigeration system?-
: The vaporization of the liquid refrigerant
18.An oil sample might be taken when .: a. moisture and/or
EPA 608 EXAM PRACTICE QUESTIONS 1-100 LATEST WITH ANSWERS 2024-2025
WITH ANSWERS/2024-2025
1.Ozone depletion is caused by in HFC refrigerants.: chlorine
2.CFCs and HCFCs making them capable capable of reaching the stratospheric
ozone layer.: do not dissolve in water or easily break down in
the atmosphere
3.According to the Rolanda-Molina theory, are destroyed by each
chlorine atom in the stratosphere.: 100,000 ozone molecules
4.The stratospheric ozone layer protects us from .: ultraviolet radiation from
the sun
5.Which health effect increases from loss of the stratospheric ozone layer?-
: cases of cataracts or skin cancer
6.What proves that HCFCs are in the stratosphere?: HCFCs found in air samples from the
stratosphere.
7.What makes HFC refrigerants damaging to the environment?: They can have very high
global warming potentials.
EPA 608 EXAM PRACTICE QUESTIONS 1-100 LATEST WITH ANSWERS 2024-2025
, 8. makes HFO refrigerants less flammable than HC refrigerants.: -
Flourine
9.Which refrigerant contains chlorine?: R-12
10.HFO refrigerants are miscible in lubricants.: POE lubricants
11.An example of HcFC refrigerant is:______________R-123
12.What is being done in the U.S. to stop damage to the stratospheric ozone layer?:
Eliminating the use of CFCs and HCFCs refrigerants
13.EPA regulations require appliances to have .: a service aperture or
process hub
14.The release of any CFC, HCFC, or HFC refrigerant during is
illegal.: theft of equipment
15. is the only EPA SNAP approved "drop in" replacement for R-22.:
There are no direct drop-in refrigerant substitutes
16.Ester-based oils like POE can be mixed with .: no other oils
17.What provides the cooling in a vapor compression refrigeration system?-
: The vaporization of the liquid refrigerant
18.An oil sample might be taken when .: a. moisture and/or
EPA 608 EXAM PRACTICE QUESTIONS 1-100 LATEST WITH ANSWERS 2024-2025
