EPA SECTION 609 EXAM AND PRACTICE EXAM NEWEST 2024-2025 A
TUAL EXAM COMPLETE 64QUESTIONS AND CORRECT DETAILED AN
SWERS (VERIFIED ANSWERS)
Study online at https://quizlet.com/_fqge6n
A refillable refrigerant cylinder must not
80%
be filled above ______ of its full capacity.
Ozone layer absorbs and scatters
Ultraviolet light
________ from the sun
An award of up to ______ may be paid
to a person supplying information that
$10,000
leads to a penalty against a technician
who is intentionally venting.
Since ________, it is no longer legal for
CFCs to be manufactured or imported Jan 1, 1996
into the United States
R-134a is a chlorine-free refrigerant True
MVAC systems being disposed must be
evacuated to _____ of mercury before 4 inches
being scrapped
Ozone at ground level and at Stratos-
False
phere is a harmful pollutant
Each chlorine ion can able to destroy
100,000
______ ozone molecules
Since _____, it is illegal to vent substi-
Nov 15, 1995
tutes for CFC and HCFC refrigerants
For determining the Ozone Depletion Po-
tential ________ having been assigned CFC-11
a factor of 1
Ester-based synthetic oils can be mixed
False
with other oils
Lifetime of CFCs is believed to range
20-100
from _____ years
CFCs are highly reactive in _____ of at-
lower levels
mosphere
At high temperaturesCFC-12 can de- hydrofluoric acid and/or hydrochloric
compose to form _______ acid
1/6
, EPA SECTION 609 EXAM AND PRACTICE EXAM NEWEST 2024-2025 A
TUAL EXAM COMPLETE 64QUESTIONS AND CORRECT DETAILED AN
SWERS (VERIFIED ANSWERS)
Study online at https://quizlet.com/_fqge6n
The Clean Air Act (CAA) of ______ di-
rects EPA to establish requirements to
1990
prevent the release of ozone depleting
substances.
Non-condensables in a refrigeration sys-
tem result in a _______ discharge pres- Higher
sure
Moisture level in Recycled R-12
(CFC-12) that has been directly removed
from, and intended to be returned to, 15
a mobile air-conditioning system cannot
exceed _______ PPM by weight.
Refrigerants are lighter than the air: False
Over the road refrigeration units and
R-22 (HCFC) air conditioning, such as
608
that found in buses, also requires Sec-
tion ______ certification
If a technician is already trained and cer-
tified to handle CFC-12, he has to be False
re-certified to handle HFC-134a
Every refrigerant cylinder need not be
protected by some type of pressure relief False
device:
Ozone depletion Increase global warm-
True
ing
Stratosphere layer consists of about
90%
_____ of the available Ozone:
Ozone molecule consists of ______
Three
atoms of oxygen
The thermodynamic properties of
True
HFC-134a are similar to CFC-12
Montreal Protocol is signed in ______ by
Sep, 1987
23 counties including USA
2/6
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