CFESA Refrigeration
Certification Test 2026 Exam
Questions and Verified Answers
| Already Graded A+
1. The function of the compressor is : - 🧠 ANSWER ✔✔B. to lower the
pressure in the evaporator so that the refrigerant temperature is lowered
below the temperature of the air in the box .
2 . Forced air evaporator coils are commonly used because : - 🧠 ANSWER
✔✔A. they absorb more heat in less time .
,3 . Evaporator A operates with a 5 ° TD and evaporator B operates with a
15⁰ TD . - 🧠 ANSWER ✔✔D. Box A operates with higher humidity than box
B
4 Whenever you re soldering refrigerant lines : - 🧠 ANSWER ✔✔D. B & C
5 . R404A must be charged into a system : - 🧠 ANSWER ✔✔A. In a liquid
state
6 . If an evaporator fan motor needs to be replaced it must be replaced with
: - 🧠 ANSWER ✔✔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 : - 🧠 ANSWER ✔✔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 ? - 🧠 ANSWER ✔✔C. R - 409A
9 . Which refrigerant is an interim refrigerant choice for a R502 system that
had a major leak in the evaporator - 🧠 ANSWER ✔✔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 : - 🧠 ANSWER ✔✔B. Micron gauge
11 . Which refrigerant would you convert a walk in freezer to if replacing the
condensing unit on an R502 system : - 🧠 ANSWER ✔✔B. R404A
12 . Which phrase best describes the proper use for a refrigerated box
using a cap tube system ? - 🧠 ANSWER ✔✔A. Storage freezer
13 . Which is the best example of the definition of a storage box ? - 🧠
ANSWER ✔✔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 : - 🧠
ANSWER ✔✔C. A thermal expansion valve
15 . A cap tube is ineffective on most commercial refrigeration systems
because : - 🧠 ANSWER ✔✔D. it cannot respond to the refrigerant needs
under heavy loads
16 . The sensor bulb on a TEV must be : - 🧠 ANSWER ✔✔C. mounted
tight to a clean surface on the suction line close to the outlet of the coil
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Certification Test 2026 Exam
Questions and Verified Answers
| Already Graded A+
1. The function of the compressor is : - 🧠 ANSWER ✔✔B. to lower the
pressure in the evaporator so that the refrigerant temperature is lowered
below the temperature of the air in the box .
2 . Forced air evaporator coils are commonly used because : - 🧠 ANSWER
✔✔A. they absorb more heat in less time .
,3 . Evaporator A operates with a 5 ° TD and evaporator B operates with a
15⁰ TD . - 🧠 ANSWER ✔✔D. Box A operates with higher humidity than box
B
4 Whenever you re soldering refrigerant lines : - 🧠 ANSWER ✔✔D. B & C
5 . R404A must be charged into a system : - 🧠 ANSWER ✔✔A. In a liquid
state
6 . If an evaporator fan motor needs to be replaced it must be replaced with
: - 🧠 ANSWER ✔✔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 : - 🧠 ANSWER ✔✔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 ? - 🧠 ANSWER ✔✔C. R - 409A
9 . Which refrigerant is an interim refrigerant choice for a R502 system that
had a major leak in the evaporator - 🧠 ANSWER ✔✔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 : - 🧠 ANSWER ✔✔B. Micron gauge
11 . Which refrigerant would you convert a walk in freezer to if replacing the
condensing unit on an R502 system : - 🧠 ANSWER ✔✔B. R404A
12 . Which phrase best describes the proper use for a refrigerated box
using a cap tube system ? - 🧠 ANSWER ✔✔A. Storage freezer
13 . Which is the best example of the definition of a storage box ? - 🧠
ANSWER ✔✔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 : - 🧠
ANSWER ✔✔C. A thermal expansion valve
15 . A cap tube is ineffective on most commercial refrigeration systems
because : - 🧠 ANSWER ✔✔D. it cannot respond to the refrigerant needs
under heavy loads
16 . The sensor bulb on a TEV must be : - 🧠 ANSWER ✔✔C. mounted
tight to a clean surface on the suction line close to the outlet of the coil
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
