EPA 609 Practice Test
R-134a is a chlorine-free refrigerant True
Ozone layer absorbs and scatters ________ from the sun ultraviolet light
For determining the Ozone Depletion Potential ________ CFC-11
having been assigned a factor of 1
A refillable refrigerant cylinder must not be filled above 80%
______ of its full capacity.
Ozone at ground level and at Stratosphere is a harmful False
pollutant
Each chlorine ion can able to destroy ______ ozone 100,000
molecules
Lifetime of CFCs is believed to range from _____ years 20-100
An award of up to ______ may be paid to a person $10,000
supplying information that leads to a penalty against a
technician who is intentionally venting.
Ester-based synthetic oils can be mixed with other oils False
Since _____, it is illegal to vent substitutes for CFC and Nov 15, 1995
HCFC refrigerants
MVAC systems being disposed must be evacuated to 4 inches
_____ of mercury before being scrapped
Since ________, it is no longer legal for CFCs to be Jan 1, 1996
manufactured or imported into the United States
The Clean Air Act (CAA) of ______ directs EPA to 1990
establish requirements to prevent the release of ozone
depleting substances.
At high temperatures, CFC-12 can decompose to form hydrochloric and hydrofluoric acid
_______
Ozone molecule consists of ______ atoms of oxygen three
, EPA 609 Practice Test
CFCs are highly reactive in _____ of atmosphere lower
Non-condensables in a refrigeration system result in a higher
_______ discharge pressure
Moisture level in Recycled R-12 (CFC-12) that has been 15
directly removed from, and intended to be returned to, a
mobile air-conditioning system cannot exceed _______
PPM by weight.
Over the road refrigeration units and R-22 (HCFC) air 608
conditioning, such as that found in buses, also requires
Section ______ certification
Ozone depletion increases global warming True
Refrigerants are lighter than the air: False
Stratosphere layer consists of about _____ of the available 90%
Ozone:
Every refrigerant cylinder need not be protected by some False
type of pressure relief device:
If a technician is already trained and certified to handle False
CFC-12, he has to be re-certified to handle HFC-134a
Which of the following refrigerants has high ozone- CFCs
depletion potential:
R-152a is a chemical compound composed of which of the Carbon, Hydrogen, Fluorine
following: (Multiple Answer Question)
R-134a refrigerant does pose a cancer or birth defects False
hazard
External Recovery Tanks must be evacuated to ______ of 27 inches
mercury before being put into service
Disposable Refrigerant Tanks, under _______ must be 20 pounds
evacuated before being scrapped
HFC-134a, is the refrigerant that replaced _______ in R-12
automotive air conditioning systems
R-134a is a chlorine-free refrigerant True
Ozone layer absorbs and scatters ________ from the sun ultraviolet light
For determining the Ozone Depletion Potential ________ CFC-11
having been assigned a factor of 1
A refillable refrigerant cylinder must not be filled above 80%
______ of its full capacity.
Ozone at ground level and at Stratosphere is a harmful False
pollutant
Each chlorine ion can able to destroy ______ ozone 100,000
molecules
Lifetime of CFCs is believed to range from _____ years 20-100
An award of up to ______ may be paid to a person $10,000
supplying information that leads to a penalty against a
technician who is intentionally venting.
Ester-based synthetic oils can be mixed with other oils False
Since _____, it is illegal to vent substitutes for CFC and Nov 15, 1995
HCFC refrigerants
MVAC systems being disposed must be evacuated to 4 inches
_____ of mercury before being scrapped
Since ________, it is no longer legal for CFCs to be Jan 1, 1996
manufactured or imported into the United States
The Clean Air Act (CAA) of ______ directs EPA to 1990
establish requirements to prevent the release of ozone
depleting substances.
At high temperatures, CFC-12 can decompose to form hydrochloric and hydrofluoric acid
_______
Ozone molecule consists of ______ atoms of oxygen three
, EPA 609 Practice Test
CFCs are highly reactive in _____ of atmosphere lower
Non-condensables in a refrigeration system result in a higher
_______ discharge pressure
Moisture level in Recycled R-12 (CFC-12) that has been 15
directly removed from, and intended to be returned to, a
mobile air-conditioning system cannot exceed _______
PPM by weight.
Over the road refrigeration units and R-22 (HCFC) air 608
conditioning, such as that found in buses, also requires
Section ______ certification
Ozone depletion increases global warming True
Refrigerants are lighter than the air: False
Stratosphere layer consists of about _____ of the available 90%
Ozone:
Every refrigerant cylinder need not be protected by some False
type of pressure relief device:
If a technician is already trained and certified to handle False
CFC-12, he has to be re-certified to handle HFC-134a
Which of the following refrigerants has high ozone- CFCs
depletion potential:
R-152a is a chemical compound composed of which of the Carbon, Hydrogen, Fluorine
following: (Multiple Answer Question)
R-134a refrigerant does pose a cancer or birth defects False
hazard
External Recovery Tanks must be evacuated to ______ of 27 inches
mercury before being put into service
Disposable Refrigerant Tanks, under _______ must be 20 pounds
evacuated before being scrapped
HFC-134a, is the refrigerant that replaced _______ in R-12
automotive air conditioning systems
