EPA EXAM VERSION D34 QUESTIONS & ANSWERS
Which of the following gases is used as the baseline measurement for global warming
potential? - answer -carbon dioxide
How does the global warming potential of r-410a compare to carbon dioxide? - answer
-it is thousands of times greater
How do the global warming potentials of isobutane (r-600a), propane (r-290_ and r-
441a compare to the gwps of hfc-134a, r-404a and r-410a? - answer -they are
significantly lower
Which of the following refrigerants is an hfo? - answer -r-1234yf
Which of the following is a "high-pressure refrigerant" under epa's section 608
regulations? - answer -r-410a
Which of the following gases help form the earth's protective shield? - answer -
stratospheric ozone
Hcfc refrigerants contain which of the following - answer -hydrogen, chlorine, fluorine,
and carbon
Which of the following refrigerants damages stratospheric ozone? - answer -hcfcs
What is the strongest evidence that hcfcs are in the stratosphere - answer -
measurement of hcfcs in air samples from the stratosphere
Which of the following is not a violation of the clean air act or epa's regulation? -
answer -knowingly recovering an exempt refrigerant
Which of the following is not a violation of the refrigerant management regulations under
the clean air act? - answer -servicing a system that uses cfcs or hcfcs after the
phaseout of those refrigerants.
What is the phaseout date for the production and import of new r-22 in the u.s.? -
answer -2020
Which refrigerants) must be recovered before opening or disposing of appliances? -
answer -hfcs, cfcs, hcfcs
Which of the following appliances is not covered by epa section 608 regulations? -
answer -desiccant dehumidifiers
Which of the following gases is used as the baseline measurement for global warming
potential? - answer -carbon dioxide
How does the global warming potential of r-410a compare to carbon dioxide? - answer
-it is thousands of times greater
How do the global warming potentials of isobutane (r-600a), propane (r-290_ and r-
441a compare to the gwps of hfc-134a, r-404a and r-410a? - answer -they are
significantly lower
Which of the following refrigerants is an hfo? - answer -r-1234yf
Which of the following is a "high-pressure refrigerant" under epa's section 608
regulations? - answer -r-410a
Which of the following gases help form the earth's protective shield? - answer -
stratospheric ozone
Hcfc refrigerants contain which of the following - answer -hydrogen, chlorine, fluorine,
and carbon
Which of the following refrigerants damages stratospheric ozone? - answer -hcfcs
What is the strongest evidence that hcfcs are in the stratosphere - answer -
measurement of hcfcs in air samples from the stratosphere
Which of the following is not a violation of the clean air act or epa's regulation? -
answer -knowingly recovering an exempt refrigerant
Which of the following is not a violation of the refrigerant management regulations under
the clean air act? - answer -servicing a system that uses cfcs or hcfcs after the
phaseout of those refrigerants.
What is the phaseout date for the production and import of new r-22 in the u.s.? -
answer -2020
Which refrigerants) must be recovered before opening or disposing of appliances? -
answer -hfcs, cfcs, hcfcs
Which of the following appliances is not covered by epa section 608 regulations? -
answer -desiccant dehumidifiers
