epa 609 final exam 2024 actual exam complete 200 q
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EPA 608 TYPE 1 ,TYPE 2 AND TYPE 3
EPA 608 TYPE 1 ,TYPE 2 AND TYPE 3
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EPA 609 FINAL EXAM 2024 ACTUAL EXAM COMPLETE
200 QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /ALREADY GRADED A+
R-134a is a chlorine-free refrigerant - ANSWER: True
Ozone layer absorbs and scatters ________ from the sun - ANSWER: ultraviolet light
For determining the Ozone Depletion Potential ________ having been assigned a
factor of 1 - ANSWER: CFC-11
A refillable refrigerant cylinder must not be filled above ______ of its full capacity. -
ANSWER: 80%
Ozone at ground level and at Stratosphere is a harmful pollutant - ANSWER: False
Each chlorine ion can able to destroy ______ ozone molecules - ANSWER: 100,000
Lifetime of CFCs is believed to range from _____ years - ANSWER: 20-100
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
Ester-based synthetic oils can be mixed with other oils - ANSWER: False
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - ANSWER:
Nov 15, 1995
MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped - ANSWER: 4 inches
Since ________, it is no longer legal for CFCs to be manufactured or imported into
the United States - ANSWER: Jan 1, 1996
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent
the release of ozone depleting substances. - ANSWER: 1990
At high temperatures, CFC-12 can decompose to form _______ - ANSWER:
hydrochloric and hydrofluoric acid
Ozone molecule consists of ______ atoms of oxygen - ANSWER: three
CFCs are highly reactive in _____ of atmosphere - ANSWER: lower
Non-condensables in a refrigeration system result in a _______ discharge pressure -
ANSWER: higher
, 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
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that
found in buses, also requires Section ______ certification - ANSWER: 608
Ozone depletion increases global warming - ANSWER: True
Refrigerants are lighter than the air: - ANSWER: False
Stratosphere layer consists of about _____ of the available Ozone: - ANSWER: 90%
Every refrigerant cylinder need not be protected by some type of pressure relief
device: - ANSWER: False
If a technician is already trained and certified to handle CFC-12, he has to be re-
certified to handle HFC-134a - ANSWER: False
Which of the following refrigerants has high ozone-depletion potential: - ANSWER:
CFCs
R-152a is a chemical compound composed of which of the following: (Multiple
Answer Question) - ANSWER: Carbon, Hydrogen, Fluorine
R-134a refrigerant does pose a cancer or birth defects hazard - ANSWER: False
External Recovery Tanks must be evacuated to ______ of mercury before being put
into service - ANSWER: 27 inches
Disposable Refrigerant Tanks, under _______ must be evacuated before being
scrapped - ANSWER: 20 pounds
HFC-134a, is the refrigerant that replaced _______ in automotive air conditioning
systems - ANSWER: R-12
Which of the following has the Ozone Depletion Potential (ODP) value of 1 -
ANSWER: CFC-11
CFCs manufacture was discontinued as of _______ - ANSWER: January 1, 1996
______ of stratospheric chlorine comes from ozone-depleting substances - ANSWER:
82%
MVAC systems need not be evacuated to a vacuum before servicing - ANSWER: False
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