EPA 609 Technician Certification
Exam Questions with Correct
Answers
The AHRI standard now contains the new specification to limit unsaturated impurities in
HFC-134a to a maximum level of __________________________ - Answer- 40 PPM
One chlorine or bromine radical liberated has the capability to act as a catalyst and
breakdown _______________________ number of ozone molecules in stratosphere: -
Answer- 100,000
Ozone in the Earth stratosphere is created by UV light striking
________________molecule - Answer- OXYGEN
T/F Ozone at ground level is a harmful pollutant - Answer- TRUE
HFC-152a MVAC systems are acceptable if MVAC systems must be designed to avoid
concentrations in the passenger cabin that are above __________ for more than 15
seconds - Answer- 3.7%
Chlorine reacts with ozone and converts ozone to: - Answer- OXYGEN
The sale of small containers of refrigerant under __________including the one pound
cans are restricted to only people certified in Section 609 - Answer- 20 LB
Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than
________________ - Answer- 20 LBS
According to ____________ service shops must certify to the EPA that they own
approved recovery. - Answer- CAA
T/F Refrigerant are lighter than air: - Answer- FALSE
Which of the following refrigerants has minimum or zero ozone depletion potential: -
Answer- HFCs
T/F Most halogenated compounds will decompose at room temperature: - Answer-
FALSE
, T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - Answer- FALSE
For determining the Ozone Depletion Potential __________ having been assigned a
factor of 1 - Answer- CFC-11
Ozone layer absorbs and scatters __________ form the sun - Answer- Ultraviolet light
T/F R-134 is a chlorine-free refrigerant - Answer- TRUE
A refillable refrigerant cylinder must not be filled above _________ of its full capacity -
Answer- 80%
T/F Ester-based synthetic oils can be mixed with oils - Answer- FALSE
An award of up to ___________ may be paid to a person suppplying information that
leads to a penalty against a technician who is intentially venting - Answer- $10,000
8. MVAC systems being disposed must be evacuated to _____________ of mercury
before being scrapped - Answer- 4 INCHES
9. Since _______________ it is no longer legal for CFCs to be manufactured or
imported into the United States - Answer- JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC
refrigerants - Answer- NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________ ozone molecules -
Answer- 100,000
12. Lifetime of CFSs is believed to range from ________ years - Answer- 20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen - Answer- THREE
14.Non-condensables in a refrigeration system result in a ________________
discharge pressure - Answer- higher
15. T/F Ozone depletion increases global warming - Answer- TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a - Answer-
FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
Answer- 1990
Exam Questions with Correct
Answers
The AHRI standard now contains the new specification to limit unsaturated impurities in
HFC-134a to a maximum level of __________________________ - Answer- 40 PPM
One chlorine or bromine radical liberated has the capability to act as a catalyst and
breakdown _______________________ number of ozone molecules in stratosphere: -
Answer- 100,000
Ozone in the Earth stratosphere is created by UV light striking
________________molecule - Answer- OXYGEN
T/F Ozone at ground level is a harmful pollutant - Answer- TRUE
HFC-152a MVAC systems are acceptable if MVAC systems must be designed to avoid
concentrations in the passenger cabin that are above __________ for more than 15
seconds - Answer- 3.7%
Chlorine reacts with ozone and converts ozone to: - Answer- OXYGEN
The sale of small containers of refrigerant under __________including the one pound
cans are restricted to only people certified in Section 609 - Answer- 20 LB
Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than
________________ - Answer- 20 LBS
According to ____________ service shops must certify to the EPA that they own
approved recovery. - Answer- CAA
T/F Refrigerant are lighter than air: - Answer- FALSE
Which of the following refrigerants has minimum or zero ozone depletion potential: -
Answer- HFCs
T/F Most halogenated compounds will decompose at room temperature: - Answer-
FALSE
, T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - Answer- FALSE
For determining the Ozone Depletion Potential __________ having been assigned a
factor of 1 - Answer- CFC-11
Ozone layer absorbs and scatters __________ form the sun - Answer- Ultraviolet light
T/F R-134 is a chlorine-free refrigerant - Answer- TRUE
A refillable refrigerant cylinder must not be filled above _________ of its full capacity -
Answer- 80%
T/F Ester-based synthetic oils can be mixed with oils - Answer- FALSE
An award of up to ___________ may be paid to a person suppplying information that
leads to a penalty against a technician who is intentially venting - Answer- $10,000
8. MVAC systems being disposed must be evacuated to _____________ of mercury
before being scrapped - Answer- 4 INCHES
9. Since _______________ it is no longer legal for CFCs to be manufactured or
imported into the United States - Answer- JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC
refrigerants - Answer- NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________ ozone molecules -
Answer- 100,000
12. Lifetime of CFSs is believed to range from ________ years - Answer- 20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen - Answer- THREE
14.Non-condensables in a refrigeration system result in a ________________
discharge pressure - Answer- higher
15. T/F Ozone depletion increases global warming - Answer- TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a - Answer-
FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
Answer- 1990
