7/11/25, 11:32 AM CFESA Refrigeration Certification Test EXAM 2025 UPDATE Verified Questions And Answers | Guaranteed Success!! Flashcards |…
CFESA Refrigeration Certification Test EXAM
2025 UPDATE Verified Questions And Answers |
Guaranteed Success!!
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Terms in this set (125)
B. to lower the pressure in the evaporator so that the
1. The function of the
refrigerant temperature is lowered below the
compressor is :
temperature of the air in the box .
2 . Forced air evaporator A. they absorb more heat in less time .
coils are commonly used
because :
3 . Evaporator A operates D. Box A operates with higher humidity than box B
with a 5 ° TD and
evaporator B operates
with a 15⁰ TD .
4 Whenever you re D. B & C
soldering refrigerant lines
:
5 . R404A must be A. In a liquid state
charged into a system :
6 . If an evaporator fan C. Any motor with the exact HP , speed , voltage ,
motor needs to be mounting and rotation
replaced it must be
replaced with :
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7 . The fan blade on an B. The blade is mounted mid way into the evaporator
evaporator or condenser housing opening or fan shroud opening on a
must be positioned in the condenser .
housing or shroud so that :
8. Which of the following C. R - 409A
refrigerants is an interim
choice for a replacement
for R - 12 in a system that
had a leak in the
condenser and lost all of
its refrigerant ?
9 . Which refrigerant is an d . R408A
interim refrigerant choice
for a R502 system that had
a major leak in the
evaporator
10 . When evacuating a B. Micron gauge
refrigeration system what
tool is needed to ensure a
good evacuation and to
help inform you if there is
any moisture or leaks in
the system :
11 . Which refrigerant B. R404A
would you convert a walk
in freezer to if replacing
the condensing unit on an
R502 system :
12 . Which phrase best A. Storage freezer
describes the proper use
for a refrigerated box
using a cap tube system ?
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13 . Which is the best A. A freezer on which the door is opened 8 times a
example of the definition day
of a storage box ?
14 . In order to maintain C. A thermal expansion valve
proper temperature under
the various loads , a
cooler or freezer located
on a front prep line must
be equipped with :
15 . A cap tube is D. it cannot respond to the refrigerant needs under
ineffective on most heavy loads
commercial refrigeration
systems because :
16 . The sensor bulb on a C. mounted tight to a clean surface on the suction line
TEV must be : close to the outlet of the coil
17 . An automatic C. react well in situations of heavy loads .
expansion valve does not :
18 . For maximum A. 5 degrees
efficiency the thermal
expansion valve superheat
for a freezer should be
about :
19 . For maximum system C. 8-10 degrees
efficiency the TEV
superheat for a cooler
should be about :
20 . What type of oil is C. Mineral
most commonly used with
CFC refrigerants ?
21 . What type of oil must D. Polyolester
be used with R404A ?
22 . What pressure relates 56.7 psi
to 20 ° F on R404A ?
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CFESA Refrigeration Certification Test EXAM
2025 UPDATE Verified Questions And Answers |
Guaranteed Success!!
Save
Terms in this set (125)
B. to lower the pressure in the evaporator so that the
1. The function of the
refrigerant temperature is lowered below the
compressor is :
temperature of the air in the box .
2 . Forced air evaporator A. they absorb more heat in less time .
coils are commonly used
because :
3 . Evaporator A operates D. Box A operates with higher humidity than box B
with a 5 ° TD and
evaporator B operates
with a 15⁰ TD .
4 Whenever you re D. B & C
soldering refrigerant lines
:
5 . R404A must be A. In a liquid state
charged into a system :
6 . If an evaporator fan C. Any motor with the exact HP , speed , voltage ,
motor needs to be mounting and rotation
replaced it must be
replaced with :
https://quizlet.com/1059687155/cfesa-refrigeration-certification-test-exam-2025-update-verified-questions-and-answers-guaranteed-success-flash-car… 1/19
,7/11/25, 11:32 AM CFESA Refrigeration Certification Test EXAM 2025 UPDATE Verified Questions And Answers | Guaranteed Success!! Flashcards |…
7 . The fan blade on an B. The blade is mounted mid way into the evaporator
evaporator or condenser housing opening or fan shroud opening on a
must be positioned in the condenser .
housing or shroud so that :
8. Which of the following C. R - 409A
refrigerants is an interim
choice for a replacement
for R - 12 in a system that
had a leak in the
condenser and lost all of
its refrigerant ?
9 . Which refrigerant is an d . R408A
interim refrigerant choice
for a R502 system that had
a major leak in the
evaporator
10 . When evacuating a B. Micron gauge
refrigeration system what
tool is needed to ensure a
good evacuation and to
help inform you if there is
any moisture or leaks in
the system :
11 . Which refrigerant B. R404A
would you convert a walk
in freezer to if replacing
the condensing unit on an
R502 system :
12 . Which phrase best A. Storage freezer
describes the proper use
for a refrigerated box
using a cap tube system ?
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, 7/11/25, 11:32 AM CFESA Refrigeration Certification Test EXAM 2025 UPDATE Verified Questions And Answers | Guaranteed Success!! Flashcards |…
13 . Which is the best A. A freezer on which the door is opened 8 times a
example of the definition day
of a storage box ?
14 . In order to maintain C. A thermal expansion valve
proper temperature under
the various loads , a
cooler or freezer located
on a front prep line must
be equipped with :
15 . A cap tube is D. it cannot respond to the refrigerant needs under
ineffective on most heavy loads
commercial refrigeration
systems because :
16 . The sensor bulb on a C. mounted tight to a clean surface on the suction line
TEV must be : close to the outlet of the coil
17 . An automatic C. react well in situations of heavy loads .
expansion valve does not :
18 . For maximum A. 5 degrees
efficiency the thermal
expansion valve superheat
for a freezer should be
about :
19 . For maximum system C. 8-10 degrees
efficiency the TEV
superheat for a cooler
should be about :
20 . What type of oil is C. Mineral
most commonly used with
CFC refrigerants ?
21 . What type of oil must D. Polyolester
be used with R404A ?
22 . What pressure relates 56.7 psi
to 20 ° F on R404A ?
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