EPA Section 609 Questions With
Complete Solutions A+GRADED
A refillable refrigerant cylinder must not be filled above ______ of its full capacity. -
correct answer...✔✔80%
Ozone layer absorbs and scatters ________ from the sun - correct 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. - correct answer...✔✔$10,000
Since ________, it is no longer legal for CFCs to be manufactured or imported into the
United States - correct answer...✔✔Jan 1, 1996
R-134a is a chlorine-free refrigerant - correct answer...✔✔True
MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped - correct answer...✔✔4 inches
Ozone at ground level and at Stratosphere is a harmful pollutant - correct answer...✔✔
False
Each chlorine ion can able to destroy ______ ozone molecules - correct answer...✔✔
100,000
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - correct
answer...✔✔Nov 15, 1995
For determining the Ozone Depletion Potential ________ having been assigned a factor
of 1 - correct answer...✔✔CFC-11
Ester-based synthetic oils can be mixed with other oils - correct answer...✔✔False
Lifetime of CFCs is believed to range from _____ years - correct answer...✔✔20-100
CFCs are highly reactive in _____ of atmosphere - correct answer...✔✔lower levels
At high temperaturesCFC-12 can decompose to form _______ - correct answer...✔✔
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. - correct answer...✔✔1990
AGRADESOLUTIONS
, Non-condensables in a refrigeration system result in a _______ discharge pressure -
correct 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. - correct answer...✔✔15
Refrigerants are lighter than the air: - correct answer...✔✔False
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found
in buses, also requires Section ______ certification - correct answer...✔✔608
If a technician is already trained and certified to handle CFC-12, he has to be re-
certified to handle HFC-134a - correct answer...✔✔False
Every refrigerant cylinder need not be protected by some type of pressure relief device:
- correct answer...✔✔False
Ozone depletion Increase global warming - correct answer...✔✔True
Stratosphere layer consists of about _____ of the available Ozone: - correct answer...✔
✔90%
Ozone molecule consists of ______ atoms of oxygen - correct answer...✔✔Three
The thermodynamic properties of HFC-134a are similar to CFC-12 - correct answer...✔
✔True
Montreal Protocol is signed in ______ by 23 counties including USA - correct answer...
✔✔Sep, 1987
Halons were completely phased out by 1994 - correct answer...✔✔True
As per the CAA, all records related to entities of MVAC system services must be
maintained for ________ years - correct answer...✔✔Three
R-134a is flammable at ambient temperatures and atmospheric pressures - correct
answer...✔✔False
Since _______, it has been mandatory to recycle HFC-134a as well as any other
automotive refrigerant before returning to that MVAC or sold: - correct answer...✔✔Jan
29, 1998
AGRADESOLUTIONS
Complete Solutions A+GRADED
A refillable refrigerant cylinder must not be filled above ______ of its full capacity. -
correct answer...✔✔80%
Ozone layer absorbs and scatters ________ from the sun - correct 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. - correct answer...✔✔$10,000
Since ________, it is no longer legal for CFCs to be manufactured or imported into the
United States - correct answer...✔✔Jan 1, 1996
R-134a is a chlorine-free refrigerant - correct answer...✔✔True
MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped - correct answer...✔✔4 inches
Ozone at ground level and at Stratosphere is a harmful pollutant - correct answer...✔✔
False
Each chlorine ion can able to destroy ______ ozone molecules - correct answer...✔✔
100,000
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - correct
answer...✔✔Nov 15, 1995
For determining the Ozone Depletion Potential ________ having been assigned a factor
of 1 - correct answer...✔✔CFC-11
Ester-based synthetic oils can be mixed with other oils - correct answer...✔✔False
Lifetime of CFCs is believed to range from _____ years - correct answer...✔✔20-100
CFCs are highly reactive in _____ of atmosphere - correct answer...✔✔lower levels
At high temperaturesCFC-12 can decompose to form _______ - correct answer...✔✔
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. - correct answer...✔✔1990
AGRADESOLUTIONS
, Non-condensables in a refrigeration system result in a _______ discharge pressure -
correct 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. - correct answer...✔✔15
Refrigerants are lighter than the air: - correct answer...✔✔False
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found
in buses, also requires Section ______ certification - correct answer...✔✔608
If a technician is already trained and certified to handle CFC-12, he has to be re-
certified to handle HFC-134a - correct answer...✔✔False
Every refrigerant cylinder need not be protected by some type of pressure relief device:
- correct answer...✔✔False
Ozone depletion Increase global warming - correct answer...✔✔True
Stratosphere layer consists of about _____ of the available Ozone: - correct answer...✔
✔90%
Ozone molecule consists of ______ atoms of oxygen - correct answer...✔✔Three
The thermodynamic properties of HFC-134a are similar to CFC-12 - correct answer...✔
✔True
Montreal Protocol is signed in ______ by 23 counties including USA - correct answer...
✔✔Sep, 1987
Halons were completely phased out by 1994 - correct answer...✔✔True
As per the CAA, all records related to entities of MVAC system services must be
maintained for ________ years - correct answer...✔✔Three
R-134a is flammable at ambient temperatures and atmospheric pressures - correct
answer...✔✔False
Since _______, it has been mandatory to recycle HFC-134a as well as any other
automotive refrigerant before returning to that MVAC or sold: - correct answer...✔✔Jan
29, 1998
AGRADESOLUTIONS
