ASE AC 609 EXAM (ACTUAL 2025) QUESTIONS &
VERIFIED ANSWERS
mvac - <<<Answers>>>Motor Vehicle Air Conditioner
MVAC-Like Appliances - <<<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)
Ozone Depletion Potential - <<<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 - <<<Answers>>>ozone depleting chemical
with an ozone depletion potential greater than .2 (eg CFCs)
class 2 substance - <<<Answers>>>ozone depleting chemical
with an ozone depletion potential less than .2 (eg HCFCs)
CFCs - <<<Answers>>>Chlorofluorocarbons, eg R-12 (CFC-
12)
HCFCs - <<<Answers>>>Hydrochlorofluorocarbons, eg R-
22 (HCFC-22)
VERIFIED ANSWERS
mvac - <<<Answers>>>Motor Vehicle Air Conditioner
MVAC-Like Appliances - <<<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)
Ozone Depletion Potential - <<<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 - <<<Answers>>>ozone depleting chemical
with an ozone depletion potential greater than .2 (eg CFCs)
class 2 substance - <<<Answers>>>ozone depleting chemical
with an ozone depletion potential less than .2 (eg HCFCs)
CFCs - <<<Answers>>>Chlorofluorocarbons, eg R-12 (CFC-
12)
HCFCs - <<<Answers>>>Hydrochlorofluorocarbons, eg R-
22 (HCFC-22)
