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EPA Section 609 Questions With Complete Solutions A+GRADED
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EPA Section 609 Questions With Complete Solutions A+GRADED A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - correct answer...80% Ozone layer absorbs and scatters ________ from the sun - correct answer...Ultraviolet light An award of up to ______ may...

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  • August 12, 2024
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EPA Section 609 Questions With
Complete Solutions A+GRADED
A refillable refrigerant cylinder must not be filled above ______ of its full capacity. -
correct answer...✔✔80%

Ozone layer absorbs and scatters ________ from the sun - correct 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. - correct answer...✔✔$10,000

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

R-134a is a chlorine-free refrigerant - correct answer...✔✔True

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

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

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

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

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

Lifetime of CFCs is believed to range from _____ years - correct answer...✔✔20-100

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

At high temperaturesCFC-12 can decompose to form _______ - correct answer...✔✔
hydrofluoric acid and/or hydrochloric acid

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


AGRADESOLUTIONS

, 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

Refrigerants are lighter than the air: - correct answer...✔✔False

Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found
in buses, also requires Section ______ certification - correct answer...✔✔608

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

Every refrigerant cylinder need not be protected by some type of pressure relief device:
- correct answer...✔✔False

Ozone depletion Increase global warming - correct answer...✔✔True

Stratosphere layer consists of about _____ of the available Ozone: - correct answer...✔
✔90%

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

The thermodynamic properties of HFC-134a are similar to CFC-12 - correct answer...✔
✔True

Montreal Protocol is signed in ______ by 23 counties including USA - correct answer...
✔✔Sep, 1987

Halons were completely phased out by 1994 - correct answer...✔✔True

As per the CAA, all records related to entities of MVAC system services must be
maintained for ________ years - correct answer...✔✔Three

R-134a is flammable at ambient temperatures and atmospheric pressures - correct
answer...✔✔False

Since _______, it has been mandatory to recycle HFC-134a as well as any other
automotive refrigerant before returning to that MVAC or sold: - correct answer...✔✔Jan
29, 1998




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