102I Flashcards
Are chloorofluorocarbon allowed
No
Zeotropic are based in the
400 number
Azeotropic refrigerants are in the
500 number
Does R-134a have a high global warming potential
Yes
Can you use HCFC
No
Halocarbons are
Non flammable but toxic
A zeotrope is a mixture of
Two or more refrigerants with different boiling points in saturation
Zeotropics experience
Temperature glide
An azeotrope is a mixture of
Two or more refrigerants that won’t separate
The Montreal protocol was established in
1987
What oil do we use in refrigeration
Synthetic oil
Polyester oil lasts only
5 minutes
Class A low toxicity is equal to how many parts per million
400 PPM and above
Class B high toxicity is equal to how many parts per million
399 ppm and below
R-134 color bottle is
Light sky blue
R-404A bottle color is
Orange
R-410A bottle color is
Rose
R-507 bottle color is
Blue/green
Refrigerant recovery cylinders have a
Yellow top and gray body
Cylinders for flammable refrigeration bottles have a
Red band at top
Refrigeration bottles cannot exceed
300lbs
Who regulates the transportation of refrigeration goods
Transportation of dangerous goods
TDG
TW on a refrigeration cylinder means
Tare weight
Max temperature limit for a cylinder engine is
125°F
