EPA 608 study material including (Core, type 1, 2 and 3) Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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EPA 608 study material including (Core, type 1, 2
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EPA 608 Study Material Including (Core, Type 1, 2
heat added to refridgerant vapor that causes its temperature to rise above its saturartion temp -
Subheated refridgerant
causes change of state, cannot be felt, cannot be measured with a thermometer, but does not cause a
change in temperature. - Latent Heat
a high capacity vacuum pump and short...
EPA 608 study material including (Core,
type 1, 2 and 3)
heat added to refridgerant vapor that causes its temperature to rise above its saturartion temp -
Subheated refridgerant
causes change of state, cannot be felt, cannot be measured with a thermometer, but does not cause a
change in temperature. - Latent Heat
a high capacity vacuum pump and short, large diameter hoses will - dramatically reduce
emissions, pressure drop, and evacuation/dehydration time
a vacum pump should be connected - as far away from the pump as possible
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 -
July 1, 1992
Air conditioner (ideal-75°f) - High temperature
all nitrogen tanks should be equipped with a regulator to lower outlet pressure - ...
any device which contains and uses a class 1 or class 2 substance as a refridgerant and is used for
household or commercial purpose. - appliance
any regulated refridgerant released while filling a graduated charging cylinder - must be recovered
appliances that have a hermetic compressor and hold 5 pounds or less (window units, domestic
refridgerators, and freezer or under the counter ice maker - Small sppliances
, are typically charged with liquid through the evaporator charging valve - Chillers
as a general rule, different lubricants should never be mixed - ...
ASHRAE standard 15 specifies the requirements and use of refridgerants sensors in equipment machine
rooms - ASHRAE standard 15 requires equipment rooms to have refridgerant sensors for all
refridgerant safety groups
bacteria sets as 43°f - ...
35% or more in commercial refridgeration or industrial process equipment with 50 pounds of charge or
more must be repaired - for appliances with 50 pounds of charge or more other than industrial
process equipment and commercial refridgeration, an annual leak rate of 15% or more must be repaired
before discarding a container the internal cylinder pressure should be reduced to at least - 0 psig
Causes a change in temperature, but not cause a change of state, can be measured with a thermometer -
Sensible Heat
certification of recovery machines - November 15, 1993
CFC production stopped - December 31, 1995 or January 1, 1996
CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water -
CFC's cannot be washed out of the lower atmosphere
class 1 - CFC
class 2 - HCFC
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