EPA 609 Exam Questions With Correct
Answers
Lifetime of CFCs is believed to range from _____ years? - answer2 to 100
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1? -
answerCFC-11
Ester-based synthetic oils can be mixed with other oils? - answerFalse
...
R-134a is a chlorine-free refrigerant? - answer✔True
MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped? -
answer✔4 inches
Ozone layer absorbs and scatters ________ from the sun? - answer✔Ultraviolet light
An award of up to ______ may be paid to a person supplying information that leads to a penalty
against a technician who is intentionally venting? - answer✔10,000
Every refrigerant cylinder need not be protected by some type of pressure relief device? -
answer✔False
Ozone molecule consists of ______ atoms of oxygen? - answer✔Three
CFCs are highly reactive in _____ of atmosphere? - answer✔Lower level
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses,
also requires Section ______ certification? - answer✔608
Stratosphere layer consists of about _____ of the available Ozone? - answer✔90%
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to
be returned to, a mobile air-conditioning system cannot exceed _______ PPM by weight? -
answer✔15
Ozone depletion Increase global warming? - answer✔True
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