EPA 609 TEST 2026/2027 BANK / NEWEST ACTUAL EXAM
WITH COMPLETE QUESTIONS AND VERIFIED ANSWERS
|ALREADY GRADED A+|
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
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
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Average ozone concentration in Earth's atmosphere as a whole is
only about ______ parts per million - ANSWER-0
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
Moisture content in recycled R-134a (HFC-134a) that has been
directly removed from and intended to be returned to a mobile air-
conditioning system cannot exceed _______ by weight -
ANSWER-50 PPM
R-134a disposable refrigerant cylinder is ________ color coded: -
ANSWER-light blue
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Disposable cylinders are manufactured to specifications
established by: - ANSWER-DOT
Which of the following refrigerant has a molecular formula is
C2H4F2: - ANSWER-R-152a
The AHRI standard now contains the new specification to limit
unsaturated impurities in HFC-134a to a maximum level of
________ - ANSWER-40 ppm
Refrigerants may be mixed in recovery cylinders: - ANSWER-
False
After reaching the required recovery vacuum on an system, if the
system pressure _____, indicating that there is either refrigerant
in liquid form, refrigerant trapped in the oil, or a leak in the
system. - ANSWER-rises