To process refrigerant to a level that is equal to new product specifications as - ANS Reclaiming
The low side test pressure data plate value should be used by a technician to determine a safe pressure for - ANS Leak testing
Silicone elastomers are not compatible with what ref...
To process refrigerant to a level that is equal to new product specifications as - ANS
Reclaiming
The low side test pressure data plate value should be used by a technician to determine a safe
pressure for - ANS Leak testing
Silicone elastomers are not compatible with what refrigerant - ANS HFC
How many molecules does an ozone molecule contain? - ANS 3 oxygen atoms
Recover any remaining refrigerant and then render the cylinder useless, then recycle the metal
is the proper disposal method for; - ANS disposable cylinders
Which refrigerant is an HCFC? - ANS R-22
Which refrigerant is an HFC - ANS R-410a
Which refrigerant is a CFC - ANS R-12
Which refrigerant has GWP of 1? - ANS R-134a
Reusable refrigerant containers that are normally under pressure above 15 psig, must be
hydrostatically tested and date stamped every: - ANS 5 years
The compressor - ANS changes a low pressure gas to a high pressure gas
What changes high pressure gas to high pressure liquid - ANS The condenser
Crop loss, eye disease, and skin cancer have been attributed to; - ANS Ozone depletion
Which type of refrigerant contains no chlorine? - ANS HFC/R-23
The three R's - ANS Recover, Recycle, Reclaim
, Definition of recover? - ANS remove refrigerant in any condition from an appliance and
store it in an external container without necessarily testing or processing it in any way."
Definition of recycle - ANS —cleaning the recovered refrigerant. —by using oil separation
—should only be used on the same owner's equipment .
Definition of reclaim - ANS complicated process, often performed by the manufacturer or a
certified company which has the specialized machines needed
Why is recovery important? - ANS in order to protect the environment and human health.
Depletion of ozone hurts crops, marine life and forests and causes eye problems and skin
cancer.
A refrigerant cylinder designed to hold recovered refrigerant are what colors - ANS Grey
body, Yellow top
Before shipping used refrigerant cylinders it must meet - ANS Department of
Transportation standards
What does ASHRAE stand for - ANS American Society of Heating, Refrigerating and
Air-Conditioning Engineers
Which ASHRAE classification means slightly flammable - ANS A2L
Disposable cylinders are only used with what type of refrigerant? - ANS Virgin refrigerant
Recovery cylinder must not be filled above _____% of its capacity by weight - ANS 80
Recovery cylinders must be hydrostatically tested and date stamped every how many years? -
ANS 5
When pressuring a system with nitrogen you should - ANS Charge it through a regulator
Insert a relief valve downstream line from the pressure regulator
Never install in series
Never pressurize a system with - ANS Oxygen or compressed air
It is Critical to inspect Schrader valve for? - ANS Leaks bends cracks
When moisture is present in a refrigeration system, it will react with the refrigerant and the oil to
form ____. - ANS Hydrochloric and hydrofluoric acid
Does the EPA require leak repair for small appliances? - ANS No
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