ASE AC 609 Question and answers 2023

ASE AC 609 Question and answers 2023
Ozone Depletion Potential - correct answers chemical rating that ranges from 0.01-1.0
and that refers to the amount of ozone depletion caused by a substance compared to
CFC-11 (eg HCFC-22 depletes .034 of the ozone where CFC-11 would deplete 1.0)

class 1 substance - correct answers ozone depleting chemical with an ozone
depletion potential greater than .2 (eg CFCs)

class 2 substance - correct answers ozone depleting chemical with an ozone
depletion potential less than .2 (eg HCFCs)

CFCs - correct answers Chlorofluorocarbons, eg R-12 (CFC-12)

HCFCs - correct answers Hydrochlorofluorocarbons, eg R-22 (HCFC-22)

HFCs - correct answers hydrofluorocarbons, eg R-134a (HFC-134a)

HFOs - correct answers Hydrofluoroolefins, eg R-1234yf (HFO-1234yf)

mvac - correct answers Motor Vehicle Air Conditioner

MVAC-Like Appliances - correct answers an appliance similar enough to an mvac that
one does not need a 608 certification (eg tractors, buses, and construction equipment.
DOES NOT INCLUDE: refrigerated trailers, boats, trains, and aircraft)

ODS - correct answers ozone depleting substance



EPA 609 Technician Certification
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - correct
answers FALSE

2. For determining the Ozone Depletion Potential __________ having been assigned a
factor of 1 - correct answers CFC-11

3. Ozone layer absorbs and scatters __________ form the sun - correct answers
Ultraviolet light

4. T/F R-134 is a chlorine-free refrigerant - correct answers TRUE

5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity -
correct answers 80%

, 6. T/F Ester-based synthetic oils can be mixed with oils - correct answers FALSE

7. 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 - correct answers
$10,000

8. MVAC systems being disposed must be evacuated to _____________ of mercury
before being scrapped - correct answers 4 INCHES

9. Since _______________ it is no longer legal for CFCs to be manufactured or
imported into the United States - correct answers JAN 1ST, 1996

10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC
refrigerants - correct answers NOV 15, 1995

11. Each chlorine ion are able to destroy ___________________ ozone molecules -
correct answers 100,000

12. Lifetime of CFSs is believed to range from ________ years - correct answers 20
TO 100

13. Ozone molecules consists of _______________ atoms of oxygen - correct answers
THREE

14.Non-condensables in a refrigeration system result in a ________________
discharge pressure - correct answers higher

15. T/F Ozone depletion increases global warming - correct answers TRUE

16. T/F If a technician is already trained and certified to handle HFC-134a - correct
answers FALSE

17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
correct answers 1990

18. Over the road refrigeration units and R-22 (HCFC) air conditioning - correct
answers such as that found in buses, also require Section ____________ certification,
608

19. Moisture level in Recycled R-12(CFC-12) that has been directly removed from -
correct answers and intended to be returned to, a mobile air-conditioning system
cannot exceed ________________ PPM by weight, 15

20. At high temperature CFC-12 can decompose to form _____________ - correct
answers hydrochloric or hydrofluoric acid