CFESA REFRIGERATION CERTIFICATION
TEST EXAM (ACTUAL EXAM) WITH
CORRECT 125 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2026
1 . Balanced port expansion valves have the advantage in
that : - ANSWERS-They can operate over a wide range of
capacities as low as 25 % of their rating
2. The defrost timers that control the defrost heating
elements on commercial freezers are normally set for
approximately : - ANSWERS-30-40 minutes
3 . When evacuating a system a high quality pump must be
used and the system should be evacuated to : - ANSWERS-
500 microns
,4 To calculate subcooling a temperature sensor should be
fastened and insulated : - ANSWERS-. Approximately 3 "
from the condenser on the liquid line
5 . R404A must be charged into a system : - ANSWERS-A. In a
liquid state
6 . If an evaporator fan motor needs to be replaced it must
be replaced with : - ANSWERS-C. Any motor with the exact
HP , speed , voltage , mounting and rotation
7 . The fan blade on an evaporator or condenser must be
positioned in the housing or shroud so that : - ANSWERS-B.
The blade is mounted mid way into the evaporator housing
opening or fan shroud opening on a condenser .
8. Which of the following 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 ? - ANSWERS-C.
R - 409A
9 . Which refrigerant is an interim refrigerant choice for a
R502 system that had a major leak in the evaporator -
ANSWERS-d . R408A
, 10 . When evacuating a 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 : - ANSWERS-
B. Micron gauge
11 . Which refrigerant would you convert a walk in freezer
to if replacing the condensing unit on an R502 system : -
ANSWERS-B. R404A
12 . Which phrase best describes the proper use for a
refrigerated box using a cap tube system ? - ANSWERS-A.
Storage freezer
13 . Which is the best example of the definition of a storage
box ? - ANSWERS-A. A freezer on which the door is opened 8
times a day
14 . In order to maintain proper temperature under the
various loads , a cooler or freezer located on a front prep
line must be equipped with : - ANSWERS-C. A thermal
expansion valve
TEST EXAM (ACTUAL EXAM) WITH
CORRECT 125 ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2026
1 . Balanced port expansion valves have the advantage in
that : - ANSWERS-They can operate over a wide range of
capacities as low as 25 % of their rating
2. The defrost timers that control the defrost heating
elements on commercial freezers are normally set for
approximately : - ANSWERS-30-40 minutes
3 . When evacuating a system a high quality pump must be
used and the system should be evacuated to : - ANSWERS-
500 microns
,4 To calculate subcooling a temperature sensor should be
fastened and insulated : - ANSWERS-. Approximately 3 "
from the condenser on the liquid line
5 . R404A must be charged into a system : - ANSWERS-A. In a
liquid state
6 . If an evaporator fan motor needs to be replaced it must
be replaced with : - ANSWERS-C. Any motor with the exact
HP , speed , voltage , mounting and rotation
7 . The fan blade on an evaporator or condenser must be
positioned in the housing or shroud so that : - ANSWERS-B.
The blade is mounted mid way into the evaporator housing
opening or fan shroud opening on a condenser .
8. Which of the following 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 ? - ANSWERS-C.
R - 409A
9 . Which refrigerant is an interim refrigerant choice for a
R502 system that had a major leak in the evaporator -
ANSWERS-d . R408A
, 10 . When evacuating a 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 : - ANSWERS-
B. Micron gauge
11 . Which refrigerant would you convert a walk in freezer
to if replacing the condensing unit on an R502 system : -
ANSWERS-B. R404A
12 . Which phrase best describes the proper use for a
refrigerated box using a cap tube system ? - ANSWERS-A.
Storage freezer
13 . Which is the best example of the definition of a storage
box ? - ANSWERS-A. A freezer on which the door is opened 8
times a day
14 . In order to maintain proper temperature under the
various loads , a cooler or freezer located on a front prep
line must be equipped with : - ANSWERS-C. A thermal
expansion valve
