R-134a is a chlorine-free refrigerant
True
Ozone layer absorbs and scatters ________ from the sun
ultraviolet light
For determining the Ozone Depletion Potential ________ having been assigned a
factor of 1
CFC-11
A refillable refrigerant cylinder must not be filled above ______ of its full
capacity.
80%
Ozone at ground level and at Stratosphere is a harmful pollutant
False
Each chlorine ion can able to destroy ______ ozone molecules
100,000
Lifetime of CFCs is believed to range from _____ years
20-100
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.
$10,000
Ester-based synthetic oils can be mixed with other oils
False
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants
Nov 15, 1995
MVAC systems being disposed must be evacuated to _____ of mercury before
being scrapped
4 inches
Since ________, it is no longer legal for CFCs to be manufactured or imported into
the United States
Jan 1, 1996
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to
prevent the release of ozone depleting substances.
1990
At high temperatures, CFC-12 can decompose to form _______
hydrochloric and hydrofluoric acid
Ozone molecule consists of ______ atoms of oxygen
three
CFCs are highly reactive in _____ of atmosphere
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