1. Refrigeration technicians who violate the clean air act can:
A. lose their epa certification
B. be fined.
C. be required to appear in federal court
D. all of the above: all of the above
2. It has been illegal to vent substitutes for CFC and HCFC refrigerants
since:: -
november 1995
3. which refrigerant has the lowest
odp? R22, R11, R12, R113: R22
4. to remove refrigerant in any condition from a system and store
it in an external container without necessarily testing or processing
it in any way is to
.: recover
5. Does the EPA recognize any refrigerant "drop-in" replacements?: no
6. Do low ambient temperatures slow or speed up the process of
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, refrigerant recovery?: slow
7. Chemical composition of R-124: hcfc
8. The term used
to describe the fact that a refrigerant blend has a range of boil- ing
or condensing points at a constant pressure is .:
temperature glide
9. What is the best proof that there are CFCs in the
atmosphere? Is it the measurement of:
A. CFCs in smog
B. other man-made compounds in air samples from the stratosphere?
C. CFCs in air samples from the atmosphere: CFCs in air samples from the
atmosphere
10. According to the EPA, which of the following do NOT
contribute to global warming? CFC, HCFC, HFC?: all contribute
11. Even though R-22 is considered non-toxic, it:
A. is lighter than air
B. can cause asphyxia
C. is a class 1 refrigerant
D. can be detected by its color: can cause asphyxia
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