EPA EXAM VERSION D34 | QUESTIONS AND ANSWERS |
2026 UPDATE | WITH COMPLETE SOLUTION
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
What happens if EPA regulations change after a technician becomes certified?
Answer - It will be the technicians responsibility to comply with any future
changes in the law
Which of the following is an approved 'drop-in' service replacement for R-22?
Answer - There are no direct drop-in refrigerant substitutes.
2026 UPDATE | WITH COMPLETE SOLUTION
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
What happens if EPA regulations change after a technician becomes certified?
Answer - It will be the technicians responsibility to comply with any future
changes in the law
Which of the following is an approved 'drop-in' service replacement for R-22?
Answer - There are no direct drop-in refrigerant substitutes.
