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EPA 609 FINAL EXAM 2024 COMPLETE 200 QUESTIONS WITH 100% DETAILED VERIFIED AN CORRECT ANSWERS ACTUAL BRAND-NEW EXAM ALREADY GRADED A+$12.49
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EPA 609 FINAL EXAM 2024 COMPLETE
200 QUESTIONS WITH 100%
DETAILED VERIFIED AN CORRECT
ANSWERS ACTUAL BRAND-NEW
EXAM ALREADY GRADED A+
The color code for R-12 disposable refrigerant
cylinders is ______ - ....ANSWER...white
Since _______, it has been mandatory to recycle HFC-
134a as well as any other automotive refrigerant before
returning to that MVAC or sold: -
....ANSWER...Jan 29, 1998
Halons were completely phased out by 1994 -
....ANSWER...True
R-134a is flammable at ambient temperatures and
atmospheric pressures - ....ANSWER...False
Since ______, it has been illegal to vent substitutes
for CFC 3. and HCFC refrigerants: - ....ANSWER...Nov
1
,15, 1995
Which of the following will not react with ozone gas:
- ....ANSWER...Fluorine
Montreal Protocol is signed in ______ by 23 counties
including USA - ....ANSWER...Sep 1987
The sale of small containers of refrigerant under
_______, including the one pound cans, are restricted to
only people certified in Section 609 -
....ANSWER...20 lb
Disposable cylinders are manufactured from: -
....ANSWER...steel
HFC-134a refrigerant has an Ozone Depletion Potential
of: - ....ANSWER...0.0
Ozone layer is present in both Stratosphere and
mesosphere layers of earth's atmosphere: -
....ANSWER...False
R-134a refrigerant has low solubility in non-polar
lubricants - ....ANSWER...True
2
,Average ozone concentration in Earth's atmosphere
as a whole is only about ______ parts per million -
....ANSWER...0.3
3
, Use of Carbon dioxide (R-744) refrigerant results
into a ______ efficiency cycle: - ....ANSWER...much
lower
Recovery cylinders are painted yellow in the
shoulder area and _____ down the side -
....ANSWER...12 inches
Technicians who repair or service HFC-134a MVACs
must be trained and certified by an EPA-approved
organization - ....ANSWER...True
Which of the following in refrigerant makes them
chemically less stable once they enter the atmosphere -
....ANSWER...Hydrogen
CFCs deplete stratospheric ozone and that a "hole" had
developed in the ozone layer over ______ -
....ANSWER...Antarctica
______ has recently been approved for use in automobile
applications as an alternative to R-134a -
....ANSWER...R152a
4
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