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EPA 609 Certification – Questions And Answers (A+)
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EPA 609 Certification – Questions And Answers (A+)
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EPA 609 Certification – Questions And Answers (A+)Lifetime of CFCs is believed to range from _____ years? Right Ans - 2 to 100
For determining the Ozone Depletion Potential ________ having been assigned a
factor of 1? Right Ans - CFC-11
Ester-based synthetic oils can be mixed with other oils? Right Ans - False
Since ________, it is no longer legal for CFCs to be manufactured or imported
into the United States? Right Ans - January 1, 1996
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants?
Right Ans - November 15, 1995
Ozone at ground level ans at Stratosphere is a harmful pollutant? Right Ans
- False
A refillable refrigerant cylinder must not be filled above ______ of its full
capacity? Right Ans - 80%
Each chlorine ion can able to destroy ______ ozone mole? Right Ans -
100,000
R-134a is a chlorine-free refrigerant? Right Ans - True
MVAC systems being disposed must be evacuated to _____ of mercury before
being scrapped? Right Ans - 4 inches
Ozone layer absorbs and scatters ________ from the sun? Right Ans -
Ultraviolet light
An award of up to ______ may be paid to a person supplying information that
leads to a penalty against a technician who is intentionally venting? Right
Ans - 10,000
Every refrigerant cylinder need not be protected by some type of pressure
relief device? Right Ans - False
, Ozone molecule consists of ______ atoms of oxygen? Right Ans - Three
CFCs are highly reactive in _____ of atmosphere? Right Ans - Lower level
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as
that found in buses, also requires Section ______ certification? Right Ans -
608
Stratosphere layer consists of about _____ of the available Ozone? Right Ans
- 90%
Moisture level in Recycled R-12 (CFC-12) that has been directly removed
from, and intended to be returned to, a mobile air-conditioning system cannot
exceed _______ PPM by weight? Right Ans - 15
Ozone depletion Increase global warming? Right Ans - True
Non-condensables in a refrigeration system result in a _______ discharge
pressure? Right Ans - Higher
At high temperaturesCFC-12 can decompose to form _______? Right Ans -
Both options are correct: hydrofluoric acid and hydrochloric acid
If a technician is already trained and certified to handle CFC-12, he has to be
re-certified to handle HFC-134a? Right Ans - False
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to
prevent the release of ozone depleting substances? Right Ans - 1990
Refrigerants are lighter than the air? Right Ans - False
External Recovery Tanks must be evacuated to ______ of mercury before being
put into service? Right Ans - 27 inches
Disposable Refrigerant Tanks, under _______ must be evacuated before being
scrapped? Right Ans - 20 pounds
______ of stratospheric chlorine comes from ozone-depleting substances?
Right Ans - 82%
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