EPA 608 study material including (Core,
type 1, 2 and 3)Correct 100%
Ca vacum pump should be connected -ANSWER - as far away from the pump as
possible
a high capacity vacuum pump and short, large diameter hoses will -ANSWER -
dramatically reduce emissions, pressure drop, and evacuation/dehydration time
ozone contains three -ANSWER - oxygen atoms
one chlorine atom can destroy -ANSWER - 100,000 ozone molecules
CFC's do not dissolve in water and do not breakdown into other compounds that
dissolve in water -ANSWER - CFC's cannot be washed out of the lower atmosphere
ODP -ANSWER - ozone depletion potential
azeotrope -ANSWER - where the mixture behaves like a single chemical (new
refrigerant)
HFC's will not damage the ozone in the stratosphere -ANSWER - ...
in 1992 the united states ordered the stoppage of all CFC production and importation
after -ANSWER - December 31, 1995
according to the clean air act, no person installing, maintaining, repairing, or disposing
of any appliance may knowingly vent or otherwise release into the environment and
class 1 or class 2 substance after -ANSWER - July 1, 1992
class 1 -ANSWER - CFC
class 2 -ANSWER - HCFC
it became illegal to vent substitutes for CFC and HCFC refridgerants on -ANSWER -
November 15, 1995
any device which contains and uses a class 1 or class 2 substance as a refridgerant
and is used for household or commercial purpose. -ANSWER - appliance
self contained recovery equipment type -ANSWER - Active
system dependent recovery equipment type -ANSWER - Passive
, only section 609 certified technicians may buy CFC-12 in containers smaller than 20
pounds -ANSWER - ...
who must ensure that all refridgerant has been recovered prior to disposal of any
appliance -ANSWER - The final person in the disposal chain (scrap metal recycler,
landfill owner, ect.)
the removal of refridgerant in any condition -ANSWER - Recovery
to clean refridgerant by oil seperation, non-condensable removal and single or multiple
passes through replaceable filter-driers to reduce moisture, acidity and particulate
matter -ANSWER - Recycling
a complicated distillation process that returns recovered refridgerant to the purity of
factory fresh refridgerant. -ANSWER - Reclaiming (ARI Standard 700)
under no circumstance should different refridgerants be -ANSWER - mixed together
Currently there is NOT a drop-in for CFC-12 -ANSWER - ...
oils that are hygroscopic -ANSWER - Ester based (polyolesters)
the alkylbenzene, use for some ternary blends -ANSWER - ...
as a general rule, different lubricants should never be mixed -ANSWER - ...
oxygen and oil when mixed can form an -ANSWER - extremely explosive mixture
sight glasses can be cleaned with -ANSWER - alcohol spray
before discarding a container the internal cylinder pressure should be reduced to at
least -ANSWER - 0 psig
recovery cylinders must be approved by -ANSWER - Department of Transportation
(DOT)
Refridgerant cylinders should never be filled above -ANSWER - 80% capacity
refridgerant cylinders should always be stored -ANSWER - vertical or upright position
with their valves at the top
Service oses must be fitted with some type of low loss fitting -ANSWER - to prevent the
loss of refridgerant
type 1, 2 and 3)Correct 100%
Ca vacum pump should be connected -ANSWER - as far away from the pump as
possible
a high capacity vacuum pump and short, large diameter hoses will -ANSWER -
dramatically reduce emissions, pressure drop, and evacuation/dehydration time
ozone contains three -ANSWER - oxygen atoms
one chlorine atom can destroy -ANSWER - 100,000 ozone molecules
CFC's do not dissolve in water and do not breakdown into other compounds that
dissolve in water -ANSWER - CFC's cannot be washed out of the lower atmosphere
ODP -ANSWER - ozone depletion potential
azeotrope -ANSWER - where the mixture behaves like a single chemical (new
refrigerant)
HFC's will not damage the ozone in the stratosphere -ANSWER - ...
in 1992 the united states ordered the stoppage of all CFC production and importation
after -ANSWER - December 31, 1995
according to the clean air act, no person installing, maintaining, repairing, or disposing
of any appliance may knowingly vent or otherwise release into the environment and
class 1 or class 2 substance after -ANSWER - July 1, 1992
class 1 -ANSWER - CFC
class 2 -ANSWER - HCFC
it became illegal to vent substitutes for CFC and HCFC refridgerants on -ANSWER -
November 15, 1995
any device which contains and uses a class 1 or class 2 substance as a refridgerant
and is used for household or commercial purpose. -ANSWER - appliance
self contained recovery equipment type -ANSWER - Active
system dependent recovery equipment type -ANSWER - Passive
, only section 609 certified technicians may buy CFC-12 in containers smaller than 20
pounds -ANSWER - ...
who must ensure that all refridgerant has been recovered prior to disposal of any
appliance -ANSWER - The final person in the disposal chain (scrap metal recycler,
landfill owner, ect.)
the removal of refridgerant in any condition -ANSWER - Recovery
to clean refridgerant by oil seperation, non-condensable removal and single or multiple
passes through replaceable filter-driers to reduce moisture, acidity and particulate
matter -ANSWER - Recycling
a complicated distillation process that returns recovered refridgerant to the purity of
factory fresh refridgerant. -ANSWER - Reclaiming (ARI Standard 700)
under no circumstance should different refridgerants be -ANSWER - mixed together
Currently there is NOT a drop-in for CFC-12 -ANSWER - ...
oils that are hygroscopic -ANSWER - Ester based (polyolesters)
the alkylbenzene, use for some ternary blends -ANSWER - ...
as a general rule, different lubricants should never be mixed -ANSWER - ...
oxygen and oil when mixed can form an -ANSWER - extremely explosive mixture
sight glasses can be cleaned with -ANSWER - alcohol spray
before discarding a container the internal cylinder pressure should be reduced to at
least -ANSWER - 0 psig
recovery cylinders must be approved by -ANSWER - Department of Transportation
(DOT)
Refridgerant cylinders should never be filled above -ANSWER - 80% capacity
refridgerant cylinders should always be stored -ANSWER - vertical or upright position
with their valves at the top
Service oses must be fitted with some type of low loss fitting -ANSWER - to prevent the
loss of refridgerant
