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EPA 609 TECHNICIAN CERTIFICATION EXAM NEWEST QUESTIONS AND DETAILED CORRECT ANSWERS
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EPA 609 TECHNICIAN CERTIFICATION EXAM NEWEST QUESTIONS AND DETAILED CORRECT ANSWERS
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EPA 609 TECHNICIAN CERTIFICATIONEXAM 2024-2025 NEWEST QUESTIONS
AND DETAILED CORRECT ANSWERS
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. Correct Answer 15
Over the road refrigeration units and R-22 (HCFC) air
conditioning, such as that found in buses, also requires
Section ______ certification Correct Answer 608
Ozone depletion increases global warming Correct
Answer True
Refrigerants are lighter than the air: Correct Answer False
Stratosphere layer consists of about _____ of the
available Ozone: Correct Answer 90%
Every refrigerant cylinder need not be protected by some
type of pressure relief device: Correct Answer False
If a technician is already trained and certified to handle
CFC-12, he has to be re-certified to handle HFC-134a
Correct Answer False
,Which of the following refrigerants has high ozone-
depletion potential: Correct Answer CFCs
R-152a is a chemical compound composed of which of the
following: (Multiple Answer Question) Correct Answer
Carbon, Hydrogen, Fluorine
R-134a refrigerant does pose a cancer or birth defects
hazard Correct Answer False
External Recovery Tanks must be evacuated to ______ of
mercury before being put into service Correct Answer 27
inches
Disposable Refrigerant Tanks, under _______ must be
evacuated before being scrapped Correct Answer 20
pounds
HFC-134a, is the refrigerant that replaced _______ in
automotive air conditioning systems Correct Answer R-12
Which of the following has the Ozone Depletion Potential
(ODP) value of 1 Correct Answer CFC-11
CFCs manufacture was discontinued as of _______
Correct Answer January 1, 1996
______ of stratospheric chlorine comes from ozone-
depleting substances Correct Answer 82%
, MVAC systems need not be evacuated to a vacuum
before servicing Correct Answer False
Supplies of CFC refrigerant for equipment servicing can
ONLY come from which of the following: Correct Answer
recovery, reclamation, and recycling
Which of the following in refrigerant makes them
chemically less stable once they enter the atmosphere
Correct Answer Hydrogen
CFCs deplete stratospheric ozone and that a "hole" had
developed in the ozone layer over ______ Correct Answer
Antarctica
______ has recently been approved for use in automobile
applications as an alternative to R-134a Correct Answer
R152a
HFCs and HCFCs decompose when released in the lower
atmosphere: Correct Answer True
The Global Warming Potential is reported relative to
_______: Correct Answer carbon dioxide
EPA is authorized to assess fines of up to ______ per day
per violation for any violation of the act Correct Answer
$37,500
A floor tax also applies to anyone holding ______ or more
of the regulated CFCs Correct Answer 400 lb.
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