R-134a is a chlorine-free refrigerant Answer: True
Ozone layer absorbs and scatters ________ from the sun Answer: ultraviolet light
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1 Answer: CFC-11
A refillable refrigerant cyli...
R-134a is a chlorine-free refrigerant Answer: True
Ozone layer absorbs and scatters ________ from the sun Answer: ultraviolet light
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1 Answer:
CFC-11
A refillable refrigerant cylinder must not be filled above ______ of its full capacity. Answer: 80%
Ozone at ground level and at Stratosphere is a harmful pollutant Answer: False
Each chlorine ion can able to destroy ______ ozone molecules Answer: 100,000
Lifetime of CFCs is believed to range from _____ years Answer: 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. Answer: $10,000
Ester-based synthetic oils can be mixed with other oils Answer: False
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants Answer: Nov 15, 1995
MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped Answer:
4 inches
, Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States
Answer: Jan 1, 1996
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release of ozone
depleting substances. Answer: 1990
At high temperatures, CFC-12 can decompose to form _______ Answer: hydrochloric and
hydrofluoric acid
Ozone molecule consists of ______ atoms of oxygen Answer: three
CFCs are highly reactive in _____ of atmosphere Answer: lower
Non-condensables in a refrigeration system result in a _______ discharge pressure Answer: higher
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. Answer: 15
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also
requires Section ______ certification Answer: 608
Ozone depletion increases global warming Answer: True
Refrigerants are lighter than the air: Answer: False
Stratosphere layer consists of about _____ of the available Ozone: Answer: 90%
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