EPA 608 2024 WITH BEST ANSWERS
Section 608 of EPA Clean Air Act -Correct Ans-Requires all persons who handle
refrigerants be certified
Current regulated refrigerants -Correct Ans-CFC, HCFC, HFC, HFO
Type 1 Certification is required for -Correct Ans-Small appliances, 5lbs or less of
refrigerant
Type 2 certification is for -Correct Ans-Appliances containing 5lbs or more, or if
installation requires charging
(excludes mvac)
Type 3 certification is for -Correct Ans-Low pressure appliances such as centrifugal and
chillers.
High side of refrigeration -Correct Ans-compressor to metering device
low side of refrigeration -Correct Ans-metering device to compressor
what can a crankcase heater help with -Correct Ans-preventing refrigerant migration to
compressor and mixing with oil
when should an oil sample be taken -Correct Ans-when unit has had a leak or major
component failure, or when moisture, acid, oil sludge, etc. from a burn-out are
suspected
, After a major repair, appliance should be dehydrated and evacuated to what level for
HFC with POE systems -Correct Ans-500 microns
minor releases when connecting or disconnecting hoses for service or recovery are
considered -Correct Ans-De-minimis
Ozone layer does what -Correct Ans-protects earth from ultraviolet radiation
where is the stratosphere -Correct Ans-7 to 30 miles
What is ODP -Correct Ans-Ozone depletion potential, measures ability of substance to
destroy ozone
How is ODP measured -Correct Ans-it is the ratio of the impact on ozone of a chemical
compared to that of a similar mass of cfc-11
Effects of ozone depletion on hand -Correct Ans-skin cancer and cataracts
Natural source of chlorine in atmosphere -Correct Ans-small amount from volcanoes
What does chlorine make when hitting the ozone -Correct Ans-chlorine monoxide
How many ozone molecules can be destroyed by one chlorine atom? -Correct Ans-
100,000
What is an HFC -Correct Ans-Hydroflourocarbon
hydrogen, fluorine, carbon
Section 608 of EPA Clean Air Act -Correct Ans-Requires all persons who handle
refrigerants be certified
Current regulated refrigerants -Correct Ans-CFC, HCFC, HFC, HFO
Type 1 Certification is required for -Correct Ans-Small appliances, 5lbs or less of
refrigerant
Type 2 certification is for -Correct Ans-Appliances containing 5lbs or more, or if
installation requires charging
(excludes mvac)
Type 3 certification is for -Correct Ans-Low pressure appliances such as centrifugal and
chillers.
High side of refrigeration -Correct Ans-compressor to metering device
low side of refrigeration -Correct Ans-metering device to compressor
what can a crankcase heater help with -Correct Ans-preventing refrigerant migration to
compressor and mixing with oil
when should an oil sample be taken -Correct Ans-when unit has had a leak or major
component failure, or when moisture, acid, oil sludge, etc. from a burn-out are
suspected
, After a major repair, appliance should be dehydrated and evacuated to what level for
HFC with POE systems -Correct Ans-500 microns
minor releases when connecting or disconnecting hoses for service or recovery are
considered -Correct Ans-De-minimis
Ozone layer does what -Correct Ans-protects earth from ultraviolet radiation
where is the stratosphere -Correct Ans-7 to 30 miles
What is ODP -Correct Ans-Ozone depletion potential, measures ability of substance to
destroy ozone
How is ODP measured -Correct Ans-it is the ratio of the impact on ozone of a chemical
compared to that of a similar mass of cfc-11
Effects of ozone depletion on hand -Correct Ans-skin cancer and cataracts
Natural source of chlorine in atmosphere -Correct Ans-small amount from volcanoes
What does chlorine make when hitting the ozone -Correct Ans-chlorine monoxide
How many ozone molecules can be destroyed by one chlorine atom? -Correct Ans-
100,000
What is an HFC -Correct Ans-Hydroflourocarbon
hydrogen, fluorine, carbon
