AHR-110 Exam 3 Study Guide (latest version 2026)
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A _____________ can be used to check the oil composition of a
system after a
retrofit has been done. - ANSWER-
Refractometer
Refrigerant released while making good-faith attempts to
recapture and recycle or safely dispose of refrigerant including
releases that occur when connecting or disconnecting hoses is
called _____________. - ANSWER-De Minimus
Recovery that can capture the entire system charge and pump
it into a tank is
known as ___________. - ANSWER-Active
Recovery
(T/F): The tare weight of a recovery tank is the weight of the tank
if it were filled
with water. - ANSWER-
False
,The willful purging or venting of certain refrigerants to the
atmosphere is -
ANSWER-Illegal as set forth by EPA
regulations.
What is the difference between an oxygen molecule and an
ozone molecule? -
ANSWER-An oxygen molecule has two oxygen atoms,
while an ozone
molecule has
three.
Tropospheric ozone is - ANSWER-Close to the earth and is often
referred to as
bad ozone or
smog.
It is estimated that a single chlorine atom can destroy up to
______ ozone
molecules. - ANSWER-
100,000
Which of the following sets of refrigerant classifications has
a zero ODP? -
ANSWER-HFOs and
HFCs
An increase in the natural greenhouse effect that leads to the
heating of the
, earth is called - ANSWER-Global
Warming
What index takes into account the combined effects of global
warming potential
and ozone depletion potential? - ANSWER-Total equivalent
warming impact
(TEWI)
CFCs are more harmful to the stratospheric ozone layer than
HFCs because
CFCs contain - ANSWER-
Chlorine
HFO refrigerants are classified as having - ANSWER-Low
GWPs and low
ODPs.
The total phaseout for all HCFC refrigerants is scheduled
for the year -
ANSWER-
2030
Which of the following classes of refrigerants is potentially
dangerous because
of its high flammability? -
ANSWER-HC
Most Recent Exam 2026|2027 Actual Complete Real
Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam | Just Released!!
A _____________ can be used to check the oil composition of a
system after a
retrofit has been done. - ANSWER-
Refractometer
Refrigerant released while making good-faith attempts to
recapture and recycle or safely dispose of refrigerant including
releases that occur when connecting or disconnecting hoses is
called _____________. - ANSWER-De Minimus
Recovery that can capture the entire system charge and pump
it into a tank is
known as ___________. - ANSWER-Active
Recovery
(T/F): The tare weight of a recovery tank is the weight of the tank
if it were filled
with water. - ANSWER-
False
,The willful purging or venting of certain refrigerants to the
atmosphere is -
ANSWER-Illegal as set forth by EPA
regulations.
What is the difference between an oxygen molecule and an
ozone molecule? -
ANSWER-An oxygen molecule has two oxygen atoms,
while an ozone
molecule has
three.
Tropospheric ozone is - ANSWER-Close to the earth and is often
referred to as
bad ozone or
smog.
It is estimated that a single chlorine atom can destroy up to
______ ozone
molecules. - ANSWER-
100,000
Which of the following sets of refrigerant classifications has
a zero ODP? -
ANSWER-HFOs and
HFCs
An increase in the natural greenhouse effect that leads to the
heating of the
, earth is called - ANSWER-Global
Warming
What index takes into account the combined effects of global
warming potential
and ozone depletion potential? - ANSWER-Total equivalent
warming impact
(TEWI)
CFCs are more harmful to the stratospheric ozone layer than
HFCs because
CFCs contain - ANSWER-
Chlorine
HFO refrigerants are classified as having - ANSWER-Low
GWPs and low
ODPs.
The total phaseout for all HCFC refrigerants is scheduled
for the year -
ANSWER-
2030
Which of the following classes of refrigerants is potentially
dangerous because
of its high flammability? -
ANSWER-HC
