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EPA Section 609: Questions & Proper Solutions (100%)
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EPA Section 609: Questions & Proper Solutions (100%)
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EPA Section 609: Questions & Proper Solutions (100%)A refillable refrigerant cylinder must not be filled above ______ of its full
capacity. Right Ans - 80%
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
Since ________, it is no longer legal for CFCs to be manufactured or imported
into the United States Right Ans - Jan 1, 1996
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 at ground level and at Stratosphere is a harmful pollutant Right Ans
- False
Each chlorine ion can able to destroy ______ ozone molecules Right Ans -
100,000
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants
Right Ans - Nov 15, 1995
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
Lifetime of CFCs is believed to range from _____ years Right Ans - 20-100
CFCs are highly reactive in _____ of atmosphere Right Ans - lower levels
, At high temperaturesCFC-12 can decompose to form _______ Right Ans -
hydrofluoric acid and/or hydrochloric acid
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to
prevent the release of ozone depleting substances. Right Ans - 1990
Non-condensables in a refrigeration system result in a _______ discharge
pressure Right Ans - 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. Right Ans - 15
Refrigerants are lighter than the air: Right Ans - False
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as
that found in buses, also requires Section ______ certification Right Ans - 608
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
Every refrigerant cylinder need not be protected by some type of pressure
relief device: Right Ans - False
Ozone depletion Increase global warming Right Ans - True
Stratosphere layer consists of about _____ of the available Ozone: Right Ans
- 90%
Ozone molecule consists of ______ atoms of oxygen Right Ans - Three
The thermodynamic properties of HFC-134a are similar to CFC-12 Right
Ans - True
Montreal Protocol is signed in ______ by 23 counties including USA Right
Ans - Sep, 1987
Halons were completely phased out by 1994 Right Ans - True
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