EPA SECTION 609 EXAM
QUESTION WITH MULTIPLE
CHOICE ALREADY SOLVED
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
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 hare hlighter hthan hthe hair: h- hcorrect hanswer-False
Over hthe hroad hrefrigeration hunits hand hR-22 h(HCFC) hair hconditioning, hsuch has hthat
hfound hin hbuses, halso hrequires hSection h______ hcertification h- hcorrect hanswer-608
If ha htechnician his halready htrained hand hcertified hto hhandle hCFC-12, hhe hhas hto hbe hre-
certified hto hhandle hHFC-134a h- hcorrect hanswer-False
Every hrefrigerant hcylinder hneed hnot hbe hprotected hby hsome htype hof hpressure hrelief
hdevice: h- hcorrect hanswer-False
Ozone hdepletion hIncrease hglobal hwarming h- hcorrect hanswer-True
Stratosphere hlayer hconsists hof habout h_____ hof hthe havailable hOzone: h- hcorrect
hanswer-90%
Ozone hmolecule hconsists hof h______ hatoms hof hoxygen h- hcorrect hanswer-Three
The hthermodynamic hproperties hof hHFC-134a hare hsimilar hto hCFC-12 h- hcorrect
hanswer-True
Montreal hProtocol his hsigned hin h______ hby h23 hcounties hincluding hUSA h- hcorrect
hanswer-Sep, h1987
Halons hwere hcompletely hphased hout hby h1994 h- hcorrect hanswer-True
As hper hthe hCAA, hall hrecords hrelated hto hentities hof hMVAC hsystem hservices hmust hbe
hmaintained hfor h________ hyears h- hcorrect hanswer-Three
R-134a his hflammable hat hambient htemperatures hand hatmospheric hpressures h- hcorrect
hanswer-False
Since h_______, hit hhas hbeen hmandatory hto hrecycle hHFC-134a has hwell has hany hother
hautomotive hrefrigerant hbefore hreturning hto hthat hMVAC hor hsold: h- hcorrect hanswer-Jan
h29, h1998
QUESTION WITH MULTIPLE
CHOICE ALREADY SOLVED
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
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 hare hlighter hthan hthe hair: h- hcorrect hanswer-False
Over hthe hroad hrefrigeration hunits hand hR-22 h(HCFC) hair hconditioning, hsuch has hthat
hfound hin hbuses, halso hrequires hSection h______ hcertification h- hcorrect hanswer-608
If ha htechnician his halready htrained hand hcertified hto hhandle hCFC-12, hhe hhas hto hbe hre-
certified hto hhandle hHFC-134a h- hcorrect hanswer-False
Every hrefrigerant hcylinder hneed hnot hbe hprotected hby hsome htype hof hpressure hrelief
hdevice: h- hcorrect hanswer-False
Ozone hdepletion hIncrease hglobal hwarming h- hcorrect hanswer-True
Stratosphere hlayer hconsists hof habout h_____ hof hthe havailable hOzone: h- hcorrect
hanswer-90%
Ozone hmolecule hconsists hof h______ hatoms hof hoxygen h- hcorrect hanswer-Three
The hthermodynamic hproperties hof hHFC-134a hare hsimilar hto hCFC-12 h- hcorrect
hanswer-True
Montreal hProtocol his hsigned hin h______ hby h23 hcounties hincluding hUSA h- hcorrect
hanswer-Sep, h1987
Halons hwere hcompletely hphased hout hby h1994 h- hcorrect hanswer-True
As hper hthe hCAA, hall hrecords hrelated hto hentities hof hMVAC hsystem hservices hmust hbe
hmaintained hfor h________ hyears h- hcorrect hanswer-Three
R-134a his hflammable hat hambient htemperatures hand hatmospheric hpressures h- hcorrect
hanswer-False
Since h_______, hit hhas hbeen hmandatory hto hrecycle hHFC-134a has hwell has hany hother
hautomotive hrefrigerant hbefore hreturning hto hthat hMVAC hor hsold: h- hcorrect hanswer-Jan
h29, h1998
