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EPA 609 Practice Exam Questions With 100%Verified AnswersA+GRADED
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  • EPA 609
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  • EPA 609

EPA 609 Practice Exam Questions With 100%Verified AnswersA+GRADED R-134a is a chlorine-free refrigerant - correct answer...True Ozone layer absorbs and scatters ________ from the sun - correct answer...ultraviolet light For determining the Ozone Depletion Potential ________ having been ass...

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  • August 12, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • epa 609 practice exam questions with 100verified

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EPA 609 Practice Exam Questions With
100%Verified AnswersA+GRADED
R-134a is a chlorine-free refrigerant - correct answer...✔✔True

Ozone layer absorbs and scatters ________ from the sun - correct answer...✔✔
ultraviolet light

For determining the Ozone Depletion Potential ________ having been assigned a factor
of 1 - correct answer...✔✔CFC-11

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. -
correct answer...✔✔80%

Ozone at ground level and at Stratosphere is a harmful pollutant - correct answer...✔✔
False

Each chlorine ion can able to destroy ______ ozone molecules - correct answer...✔✔
100,000

Lifetime of CFCs is believed to range from _____ years - correct 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. - correct answer...✔✔$10,000

Ester-based synthetic oils can be mixed with other oils - correct answer...✔✔False

Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants - correct
answer...✔✔Nov 15, 1995

MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped - correct answer...✔✔4 inches

Since ________, it is no longer legal for CFCs to be manufactured or imported into the
United States - correct answer...✔✔Jan 1, 1996

The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the
release of ozone depleting substances. - correct answer...✔✔1990

At high temperatures, CFC-12 can decompose to form _______ - correct answer...✔✔
hydrochloric and hydrofluoric acid

Ozone molecule consists of ______ atoms of oxygen - correct answer...✔✔three


AGRADESOLUTIONS

, CFCs are highly reactive in _____ of atmosphere - correct answer...✔✔lower

Non-condensables in a refrigeration system result in a _______ discharge pressure -
correct 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. - 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




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