RETA Industrial Refrigeration Book 3
(2023 Revision) Exam 2026 Questions and
Answers
What is the purpose of an SOP? (pg. 1-3)
A) To break down the amount of work to be done in a given time
B) To read after the job is done
C) To provide guidance and specific steps necessary to safely operate the system
D) To provide a standard way to perform the job faster - Correct answer-C) To
provide guidance and specific steps necessary to safely operate the system
Where can you find a list of the proper PPE needed to safely perform your job
tasks? (pg. 1-4)
A) SOPs and MPs
B) Safety Data Sheet
C) Risk Management Plan
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,D) Hazardous Material Business Plan - Correct answer-A) SOPs and MPs
Which of the following requires hot work permits? (pg. 1-7)
A) The safety officer
B) OSHA regulations
C) The superintendent of the jobsite
D) Standard operating procedures - Correct answer-B) OSHA regulations
What can trapping liquid cause? (pg. 1-12)
A) A possible release
B) Reduced refrigerant flow
C) The system to pump down
D) A safe condition for isolated components - Correct answer-A) A possible release
How much pressure can build per degree Fahrenheit from hydrostatic expansion?
(pg. 1-12)
A) Between 50 and 100 PSI
B) Between 100 and 150 PSI
C) Between 180 and 190 PSI
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,D) Between 200 and 300 PSI - Correct answer-B) Between 100 and 150 PSI
When working on an ammonia refrigeration system, it is the responsibility of who
to use the proper PPE? (pg. 1-4)
A) As mandated by OSHA regulations for the task
B) The owner of the facility
C) As stated in the RMP/PSM safety program
D) The technician or operator - Correct answer-D) The technician or operator
OSHA regulations require persons wearing respiratory protective equipment to
have? (pg. 1-7)
A) No mustache
B) Rubber boots and gloves
C) A medical evaluation to confirm fitness to wear the PPE
D) Side shielded safety glasses - Correct answer-C) A medical evaluation to
confirm fitness to wear the PPE
A hot work permit is NOT required if ____________? (pg. 1-7)
A) There are no combustible materials where the work is being performed
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, B) You have a person that is designated as a fire watch and have a fire extinguisher
ready
C) The owner of the property does not require the use of hot work permit
D) You are not using a welder or cutting torches, only using a grinder - Correct
answer-A) There are no combustible materials where the work is being performed
Lockout/Tagout is required ____________? (pg. 1-10)
A) When work is done inside the building
B) Only when moving parts can but off body parts or smash fingers
C) Anytime work exposes an employee to hazardous energy
D) When work is done on the roof - Correct answer-C) Anytime work exposes an
employee to hazardous energy
Whose responsibility is it to determine if an area is considered confined space?
(pg. 1-11)
A) The owner/employer
B) The employee that is going to be working in the area
C) Your immediate supervisor
D) OSHA - Correct answer-A) The owner/employer
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
(2023 Revision) Exam 2026 Questions and
Answers
What is the purpose of an SOP? (pg. 1-3)
A) To break down the amount of work to be done in a given time
B) To read after the job is done
C) To provide guidance and specific steps necessary to safely operate the system
D) To provide a standard way to perform the job faster - Correct answer-C) To
provide guidance and specific steps necessary to safely operate the system
Where can you find a list of the proper PPE needed to safely perform your job
tasks? (pg. 1-4)
A) SOPs and MPs
B) Safety Data Sheet
C) Risk Management Plan
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,D) Hazardous Material Business Plan - Correct answer-A) SOPs and MPs
Which of the following requires hot work permits? (pg. 1-7)
A) The safety officer
B) OSHA regulations
C) The superintendent of the jobsite
D) Standard operating procedures - Correct answer-B) OSHA regulations
What can trapping liquid cause? (pg. 1-12)
A) A possible release
B) Reduced refrigerant flow
C) The system to pump down
D) A safe condition for isolated components - Correct answer-A) A possible release
How much pressure can build per degree Fahrenheit from hydrostatic expansion?
(pg. 1-12)
A) Between 50 and 100 PSI
B) Between 100 and 150 PSI
C) Between 180 and 190 PSI
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,D) Between 200 and 300 PSI - Correct answer-B) Between 100 and 150 PSI
When working on an ammonia refrigeration system, it is the responsibility of who
to use the proper PPE? (pg. 1-4)
A) As mandated by OSHA regulations for the task
B) The owner of the facility
C) As stated in the RMP/PSM safety program
D) The technician or operator - Correct answer-D) The technician or operator
OSHA regulations require persons wearing respiratory protective equipment to
have? (pg. 1-7)
A) No mustache
B) Rubber boots and gloves
C) A medical evaluation to confirm fitness to wear the PPE
D) Side shielded safety glasses - Correct answer-C) A medical evaluation to
confirm fitness to wear the PPE
A hot work permit is NOT required if ____________? (pg. 1-7)
A) There are no combustible materials where the work is being performed
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, B) You have a person that is designated as a fire watch and have a fire extinguisher
ready
C) The owner of the property does not require the use of hot work permit
D) You are not using a welder or cutting torches, only using a grinder - Correct
answer-A) There are no combustible materials where the work is being performed
Lockout/Tagout is required ____________? (pg. 1-10)
A) When work is done inside the building
B) Only when moving parts can but off body parts or smash fingers
C) Anytime work exposes an employee to hazardous energy
D) When work is done on the roof - Correct answer-C) Anytime work exposes an
employee to hazardous energy
Whose responsibility is it to determine if an area is considered confined space?
(pg. 1-11)
A) The owner/employer
B) The employee that is going to be working in the area
C) Your immediate supervisor
D) OSHA - Correct answer-A) The owner/employer
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
