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EPA 608 UNIVERSAL EXAM ACTUAL EXAM ALL 100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+$14.99
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EPA 608 UNIVERSAL EXAM 2024-2025 ACTUAL
EXAM ALL 100 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) |ALREADY GRADED A+
Practice questions for this set
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recovery and recycling.
Give this one a try later!
Never use oxygen or compressed
After 1995, any supplies of CFC
air to pressurize a system because: -
refrigerants to service existing units 2
when mixed with compressor oil or
in the USA can only come from: -
some refrigerants, it could explode.
Each chlorine atom in the
3 stratosphere can destroy____ozone 4 An example of an HCFC is: - R-22
molecules. - 100,000
Don't know?
,Terms in this set (160)
Refrigeration technicians Lose their EPA certification, be fined, be required to
who violate the Clean Air appear in Federal court.
Act can: -
After 1995, any supplies of recovery and recycling.
CFC refrigerants to service
existing units in the USA can
only come from: -
Refrigerant that is the same system or other systems owned by the same
recovered can be returned person without restriction.
to: -
Refrigerant can not be has been chemically analyzed and the refrigerant meets
called "reclaimed" unless it: the ARI-700 standard.
-.
The EPA can require a revocation of the technicians certification.
technician to demonstrate
their ability to perform
proper procedures for
recovering and/or recycling
refrigerant. Failure to
demonstrate competency
can result in: -
What characteristic(s) of Refrigerants that contain chlorine but not hydrogen are
CFCs make them more so stable that they do not break down in the lower
likely to reach the atmosphere after being released. The chlorine or
stratosphere than most bromine reacts with the ozone, causing it to change
other compounds back to oxygen, thus destroying the ozone layer.
containing chlorine? -
A system is considered the vacuum indicator shows you have reached and held
dehydrated when: - the required finished vacuum.
Disposable refrigerant virgin refrigerant
containers are used for ______
, Which refrigerant is an R-123, R-124, R-22
HCFC? -
What statement is true It is a mixture that acts like a single-component
about an azeotropic refrigerant over its entire range.
refrigerant mixture? -
Chlorofluorocarbos (CFCs) It is a mixture that acts like a single-component
and refrigerant over its entire range.
hydrochlorofluorocarbons
(HCFCs) have which of the
following in common? -
To scrap a disposable 0 psig.
cylinder, the internal
cylinder pressure should be
reduced to at least: -
Manifold gauge sets are
often color coded, when
this is done, the high
pressure gauge is color
coded: - Red.
In general, blended as a liquid.
refrigerants should be
charged: -
Blended refrigerants leak in uneven amounts due to different vapor pressures.
from a system: -
Which of the following
gases help form the earth's
protective shield? -
Stratospheric Ozone
In a refrigerant system, the
device that changes a low
pressure vapor to a high
pressure vapor is the: -
compressor.
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