EPA 608 Exam Practice Questions 1-100
Study online at https://quizlet.com/_cy65w0
1. Ozone depletion is caused by _______ chlorine
in HFC refrigerants.
2. CFCs and HCFCs ________ making do not dissolve in water or easily break down in the
them capable capable of reaching the atmosphere
stratospheric ozone layer.
3. According to the Rolanda-Molina the- 100,000 ozone molecules
ory, ________ are destroyed by each
chlorine atom in the stratosphere.
4. The stratospheric ozone layer pro- ultraviolet radiation from the sun
tects us from _______.
5. Which health effect increases from cases of cataracts or skin cancer
loss of the stratospheric ozone layer?
6. What proves that HCFCs are in the HCFCs found in air samples from the stratosphere.
stratosphere?
7. What makes HFC refrigerants damag- They can have very high global warming potentials.
ing to the environment?
8. _______ makes HFO refrigerants less Flourine
flammable than HC refrigerants.
9. Which refrigerant contains chlorine? R-12
10. HFO refrigerants are miscible in POE lubricants
_______ lubricants.
11. An example of HcFC refrigerant is: R-123
______
, EPA 608 Exam Practice Questions 1-100
Study online at https://quizlet.com/_cy65w0
12. What is being done in the U.S. to stop Eliminating the use of CFCs and HCFCs refrigerants
damage to the stratospheric ozone
layer?
13. EPA regulations require appliances to a service aperture or process hub
have _________.
14. The release of any CFC, HCFC, or HFC theft of equipment
refrigerant during _________ is illegal.
15. ____________ is the only EPA SNAP ap- There are no direct drop-in refrigerant substitutes
proved "drop in" replacement for
R-22.
16. Ester-based oils like POE can be mixed no other oils
with ________.
17. What provides the cooling in a vapor The vaporization of the liquid refrigerant
compression refrigeration system?
18. An oil sample might be taken when a. moisture and/or acid problems are suspected
__________. b. oil sludge formation or oil waxing is suspected
c. residual acidic oil from a burn-out is suspected
of contaminating the replacement oil
19. ________ returns refrigerant to new reclaiming
product specifications and requires
chemical analysis to verify the purity
to AHRI-700 standards.
20. The EPA considers _________ the most electronic or ultrasonic tester
effective for locating the general area
of a small leak.
Study online at https://quizlet.com/_cy65w0
1. Ozone depletion is caused by _______ chlorine
in HFC refrigerants.
2. CFCs and HCFCs ________ making do not dissolve in water or easily break down in the
them capable capable of reaching the atmosphere
stratospheric ozone layer.
3. According to the Rolanda-Molina the- 100,000 ozone molecules
ory, ________ are destroyed by each
chlorine atom in the stratosphere.
4. The stratospheric ozone layer pro- ultraviolet radiation from the sun
tects us from _______.
5. Which health effect increases from cases of cataracts or skin cancer
loss of the stratospheric ozone layer?
6. What proves that HCFCs are in the HCFCs found in air samples from the stratosphere.
stratosphere?
7. What makes HFC refrigerants damag- They can have very high global warming potentials.
ing to the environment?
8. _______ makes HFO refrigerants less Flourine
flammable than HC refrigerants.
9. Which refrigerant contains chlorine? R-12
10. HFO refrigerants are miscible in POE lubricants
_______ lubricants.
11. An example of HcFC refrigerant is: R-123
______
, EPA 608 Exam Practice Questions 1-100
Study online at https://quizlet.com/_cy65w0
12. What is being done in the U.S. to stop Eliminating the use of CFCs and HCFCs refrigerants
damage to the stratospheric ozone
layer?
13. EPA regulations require appliances to a service aperture or process hub
have _________.
14. The release of any CFC, HCFC, or HFC theft of equipment
refrigerant during _________ is illegal.
15. ____________ is the only EPA SNAP ap- There are no direct drop-in refrigerant substitutes
proved "drop in" replacement for
R-22.
16. Ester-based oils like POE can be mixed no other oils
with ________.
17. What provides the cooling in a vapor The vaporization of the liquid refrigerant
compression refrigeration system?
18. An oil sample might be taken when a. moisture and/or acid problems are suspected
__________. b. oil sludge formation or oil waxing is suspected
c. residual acidic oil from a burn-out is suspected
of contaminating the replacement oil
19. ________ returns refrigerant to new reclaiming
product specifications and requires
chemical analysis to verify the purity
to AHRI-700 standards.
20. The EPA considers _________ the most electronic or ultrasonic tester
effective for locating the general area
of a small leak.
