A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - AN-
SWER 80%
Ozone layer absorbs and scatters ________ from the sun - ANSWER 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. - ANSWER $10,000
Since ________, it is no longer legal for CFCs to be manufactured or imported into the
United States - ANSWER Jan 1, 1996
R-134a is a chlorine-free refrigerant - ANSWER True
MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped - ANSWER 4 inches
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
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - ANSWER Nov
15, 1995
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1
- ANSWER CFC-11
1
, Ester-based synthetic oils can be mixed with other oils - ANSWER False
Lifetime of CFCs is believed to range from _____ years - ANSWER 20-100
CFCs are highly reactive in _____ of atmosphere - ANSWER lower levels
At high temperaturesCFC-12 can decompose to form _______ - ANSWER hydrofluoric
acid and/or hydrochloric acid
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the re-
lease of ozone depleting substances. - ANSWER 1990
Non-condensables in a refrigeration system result in a _______ discharge pressure - AN-
SWER 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
Refrigerants are lighter than the air: - ANSWER False
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in
buses, also requires Section ______ certification - ANSWER 608
If a technician is already trained and certified to handle CFC-12, he has to be re-certified to
handle HFC-134a - ANSWER False
2
SWER 80%
Ozone layer absorbs and scatters ________ from the sun - ANSWER 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. - ANSWER $10,000
Since ________, it is no longer legal for CFCs to be manufactured or imported into the
United States - ANSWER Jan 1, 1996
R-134a is a chlorine-free refrigerant - ANSWER True
MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped - ANSWER 4 inches
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
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - ANSWER Nov
15, 1995
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1
- ANSWER CFC-11
1
, Ester-based synthetic oils can be mixed with other oils - ANSWER False
Lifetime of CFCs is believed to range from _____ years - ANSWER 20-100
CFCs are highly reactive in _____ of atmosphere - ANSWER lower levels
At high temperaturesCFC-12 can decompose to form _______ - ANSWER hydrofluoric
acid and/or hydrochloric acid
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the re-
lease of ozone depleting substances. - ANSWER 1990
Non-condensables in a refrigeration system result in a _______ discharge pressure - AN-
SWER 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
Refrigerants are lighter than the air: - ANSWER False
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in
buses, also requires Section ______ certification - ANSWER 608
If a technician is already trained and certified to handle CFC-12, he has to be re-certified to
handle HFC-134a - ANSWER False
2
