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EPA 608 Core Test Sample Questions And Answers.
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EPA 608 Core Test Sample Questions And Answers.
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EPA 608 Core Test Sample QuestionsAnd Answers
As .of .what .date .did .it .become .unlawful .to .release .Class .1 .and .Class .II
refrigerants .to .the .atmosphere?
a. .July .1, .1992
b. .July .1, .1993
c. .November .14, .1994
d. .January .1, .1996 .- .(correct .answer) .-a. .July .1, .1992
What .is .the .ozone .layer .and .why .is .it .important .to .us .on .Earth?
a. .Thin .layer .of .R-22 .in .the .atmosphere .that .filters .UV.
b. .Protective .shield .for .Earth .from .the .sun's .harmful .ultraviolent .(UV)
rays .in .the .stratosphere .layer .that .extends .about .6 .to .30 .miles .above
earth
c. .Thin .layer .of .CFC .and .HCFC .in .the .atmosphere .that .filters .UV.
d. .Protective .layer .that .shields .UV .in .the .Troposphere .- .(correct .answer) .-
b. .Protective .shield .for .Earth .from .the .sun's .harmful .ultraviolent .(UV)
rays .in .the .stratosphere .layer .that .extends .about .6 .to .30 .miles .above
earth
The .atom .found .in .CFC .and .HCFC .refrigerants .that .destroys .ozone .in .the
stratosphere .is?
a. .Fluorine
,b. .Carbon
c. .Hydrogen
d. .Chlorine .- .(correct .answer) .-d. .Chlorine
What .is .an .ozone .molecule .made .of?
a. .Refrigerant
b. .Ammonia
c. .Three .oxygen .atoms .(O3).
d. .Oxygen .and .ammonia. .- .(correct .answer) .-Three .oxygen .atoms .(O3).
Which .refrigerant .is .a .CFC?
a. .R-134A
b. .R-123
c. .R-22
d. .R-12 .- .(correct .answer) .-d. .R-12
What .is .the .name .of .the .atom .that .attacks .ozone .molecules?
a. .CFC .atoms
b. .HCFC .atoms
c. .Chlorine .and .bromine .atoms .emitted .into .the .atmosphere
d. .a .and .b .- .(correct .answer) .-c. .Chlorine .and .bromine .atoms .emitted .into .the .atmosphere
Which .refrigerant .is .a .HFC?
a. .R-134A
b. .R-123
c. .R-22
d. .R-12 .- .(correct .answer) .-a. .R-134A
Describe .how .one .Chlorine .atom .can .destroy .100,000 .ozone .molecules.
a. .Chlorine .releases .one .of .the .oxygen .atoms .and .forms .two .O2 .oxygen
,molecules, .leaving .the .chlorine .molecule .free .to .attack .another
ozone .molecule .and .repeat .the .process.
b. .Chlorine .locks .up .the .ozone .molecule .and .then .and .then .goes .after
another.
c. .Chlorine .converts .the .ozone .to .bromine .and .then .attacks .more .ozone
molecules.
d. .Chlorine .can .bleach .100,000 .ozone .molecules .before .it .weakens. .- .(correct .answer) .-
a. .Chlorine .releases .one .of .the .oxygen .atoms .and .forms .two .O2 .oxygen .molecules, .leaving .the .chlor
ine .molecule .free .to .attack .another
ozone .molecule .and .repeat .the .process.
Which .refrigerant .contains .no .chlorine?
a. .R-134A
b. .R-123
c. .R-22
d. .R-12 .- .(correct .answer) .-a. .R-134A
Name .the .refrigerant .types .that .belong .to .CFCs, .HCFCs .and .HFCs
a. .CFC .R-11, .R-12, .R-500
b. .HCFC .R-22, .R-123
c. .HFC .R-134a
d. .All .of .the .above .are .correct .- .(correct .answer) .-d. .All .of .the .above .are .correct
The .rule .of .thumb .for .refilling .approved .cylinders .is .a .maximum .of .___ .percent
liquid?
a. .60%
b. .79%
c. .80%
d. .90% .- .(correct .answer) .-c. .80%
, What .do .the .letters .in ."HCFC" .stand .for?
a. .High .Carbon .Fluorine .Chlorine
b. .hydrochlorofluorocarbons
c. .Harmful .Carbon .Fluorine .Chlorine
d. .highchlorinefluorocarbon .- .(correct .answer) .-b. .hydrochlorofluorocarbons
To .recover .refrigerant .is .to?
a. .Remove .a .refrigerant .in .any .condition .from .a .system .in .either .an
active .or .passive .manner, .and .store .it .in .an .external .container
without .necessarily .testing .or .processing
b. .Reduce .contaminants .in .used .refrigerant .by .oil .separation .through .filter
dryers.
c. .Reprocess .refrigerant .to .new .product .specifications
d. .Remove .refrigerant .and .change .ownership. .- .(correct .answer) .-
a. .Remove .a .refrigerant .in .any .condition .from .a .system .in .either .an
active .or .passive .manner, .and .store .it .in .an .external .container
without .necessarily .testing .or .processing
What .is .ODP?
a. .Oxygen .Destruction .Properties
b. .Ozone .Depletion .Potential
c. .Ozone .Destruction .Properties
d. .Oxygen .Depletion .Potential .- .(correct .answer) .-b. .Ozone .Depletion .Potential
R-134A .is .a ."drop .in" .refrigerant .for?
36 .| .P .a .g .e
a. .R-12
b. .R-22
c. .R-11
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