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EPA Universal 2023/2024 already graded A+
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EPA Universal 2023/2024 already graded A+
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EPA UniversalWhich refrigerants contain the most chlorine? - ANSCFC.
R11,R12,R500.
As of what date did it become unlawful to intentionally release Class I and Class II refrigerants
to the atmosphere? - ANSJuly 1 1992.
Which refrigerants have the lowest ozone depletion potential (ODP)? - ANSHFC.
R134a.
The molecule found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is: -
ANSChlorine.
Stratospheric ozone consists of: - ANSThree oxygen atoms.
Stratospheric ozone depletion is a___problem:
a. American
b. Global
c. Local
d. United Nations - ANSGlobal.
The gas in the stratosphere that protects us from ultraviolet radiation is:
a. Radon.
b. Sulfur Dioxide.
c. Carbon Dioxide.
d. Ozone - ANSOzone.
Which refrigerant is a CFC?
a. R-134a.
b. R-123.
c. R-22.
d. R-12. - ANSR12.
Which refrigerant is an HCFC?
a. R-134a.
b. R-123.
c. R-22.
d. B and C above. - ANSD.
R123.
R22.
, Which refrigerant is an HFC?
a. R-134a.
b. R-123.
c. R-22.
d. R-12. - ANSR134a.
Which refrigerant contains no chlorine?
a. R-134a.
b. R-123.
c. R-22.
d. R-12. - ANSR134a.
The molecule found in the stratosphere that indicates stratospheric ozone depletion is taking
place is:
a. Carbon dioxide.
b. Carbon monoxide.
c. Chlorine monoxide.
d. Radon. - ANSA.
Chlorine monoxide.
The following actions would violate the Clean Air Act (CAA):
a. Knowingly releasing Class I and Class II substances.
b. Failing to keep or falsifying required records.
c. Failing to reach the required evacuation levels before opening a system to.
the atmosphere for service.
d. All of the above. - ANSD.
All of the above.
One time (disposable) refrigerant cylinders are used for:
a. Sending refrigerant for reclaim.
b. Containing recovered refrigerant.
c. Recycling refrigerant.
d. Virgin refrigerant. - ANSD.
Virgin refrigerant.
The rule of thumb for refilling approved cylinders is a maximum of [ ] percent liquid?
a. 60%.
b. 70%.
c. 80%.
d. 90%. - ANSC.
80%
The time it takes to properly evacuate and dehydrate a system prior to charging with refrigerant
is determined by the:
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