Oklahoma (OK) Process Piping Journeyman Practice Exam
Question 1:
Which term best describes the “process piping system” in an industrial facility?
A) A network of water distribution pipes
B) A system of interconnected pipes conveying process fluids
C) A set of electrical conduits
D) A framework for HVAC distribution
Correct Answer: B
Explanation: Process piping systems are designed specifically to transport process fluids (gases, liquids,
slurries) within industrial settings.
Question 2:
What does the term “API” most commonly refer to in the piping industry?
A) American Pipe Institute
B) Application Programming Interface
C) American Petroleum Institute
D) Automatic Pressure Indicator
Correct Answer: C
Explanation: In process piping, “API” stands for American Petroleum Institute, which publishes
standards and guidelines used in the industry.
Question 3:
Which of the following is a key regulation affecting process piping installations in Oklahoma?
A) NFPA 70
B) OSHA regulations
C) FAA guidelines
D) EPA noise standards
Correct Answer: B
Explanation: OSHA regulations govern safety practices, including those for process piping installation
and maintenance.
Question 4:
In piping terminology, “nominal pipe size” refers to:
A) The exact measured outside diameter
B) A standardized designation approximating pipe dimensions
C) The weight of the pipe per foot
D) The thickness of the pipe wall
Correct Answer: B
Explanation: “Nominal pipe size” is a term that denotes a standardized designation which may not
reflect exact physical dimensions but serves as an industry reference.
Question 5:
Which term describes the maximum allowable working pressure of a piping system?
A) Burst pressure
,B) Test pressure
C) Operating pressure
D) Design pressure
Correct Answer: D
Explanation: The design pressure is the maximum pressure the piping system is engineered to withstand
under normal operating conditions.
Question 6:
Which document establishes the minimum requirements for process piping design and construction?
A) ASME B31.3
B) NFPA 101
C) API 650
D) ASTM A106
Correct Answer: A
Explanation: ASME B31.3 is the primary code that sets forth the design, fabrication, assembly, erection,
examination, and testing requirements for process piping.
Question 7:
What does “corrosion allowance” in piping design refer to?
A) A discount in project cost for corrosion control measures
B) An extra thickness provided to offset expected material loss due to corrosion
C) The period during which a pipe is exempt from corrosion testing
D) The type of corrosion inhibitor used in the system
Correct Answer: B
Explanation: Corrosion allowance is an extra material thickness added to compensate for expected
material loss from corrosion over the life of the pipe.
Question 8:
The term “piping isometric” most accurately refers to:
A) A drawing that represents the three-dimensional piping system on a two-dimensional plane
B) A pipe’s resistance to bending
C) A measurement standard for pipe diameters
D) The equal spacing of supports along the pipe
Correct Answer: A
Explanation: An isometric drawing provides a three-dimensional view of a piping system, which aids in
visualizing the layout from a two-dimensional perspective.
Question 9:
Which regulatory agency primarily oversees occupational safety in process piping work?
A) OSHA
B) FDA
C) DOT
D) EPA
Correct Answer: A
Explanation: OSHA (Occupational Safety and Health Administration) is responsible for ensuring safe and
healthy working conditions, including in process piping.
,Question 10:
The term “piping stress analysis” is used to evaluate:
A) The cost of pipe installation
B) The physical stresses and potential deformation in piping systems
C) The color coding of pipes
D) The flow rate of the fluid
Correct Answer: B
Explanation: Piping stress analysis is performed to ensure that the system can withstand internal
pressures, thermal expansion, and external loads without excessive deformation or failure.
Question 11:
Which term refers to the examination of piping systems for defects and compliance?
A) Fabrication review
B) Inspection and testing
C) Installation auditing
D) Material takeoff
Correct Answer: B
Explanation: Inspection and testing are critical quality-control processes used to verify that piping
systems meet the design and regulatory requirements.
Question 12:
“Hydrostatic testing” is primarily used to:
A) Verify the thermal insulation of the system
B) Check for leaks and ensure pipe integrity under pressure
C) Determine fluid velocity
D) Measure pipe wall thickness
Correct Answer: B
Explanation: Hydrostatic testing involves filling the pipe with water and pressurizing it to check for leaks
and confirm its strength and integrity.
Question 13:
What is “material takeoff” in the context of piping?
A) The process of removing old pipes from a facility
B) The calculation of material quantities required for a project
C) A method for estimating labor cost
D) A technique for bending pipes
Correct Answer: B
Explanation: Material takeoff is the process by which contractors calculate the quantities and types of
materials required for the project, based on the plans.
Question 14:
Which of the following best describes “pipe specification”?
A) A list of approved suppliers
B) A document detailing the materials, dimensions, and fabrication requirements for pipes
C) A diagram of the piping layout
D) A cost estimation sheet
, Correct Answer: B
Explanation: Pipe specifications define the required materials, dimensions, pressure ratings, and other
fabrication details necessary to produce compliant piping components.
Question 15:
In process piping terminology, “as-built drawings” are:
A) The original design schematics
B) Drawings revised to reflect the completed installation
C) The contractor’s cost estimates
D) The regulatory inspection reports
Correct Answer: B
Explanation: As-built drawings are updated documents that show the exact installation details after
construction, including any modifications from the original design.
Question 16:
The phrase “fail-safe” when used in piping design most nearly means:
A) The system will never fail under any circumstances
B) The system is designed to minimize harm in case of failure
C) The pipes are made of the strongest material available
D) The installation is guaranteed by the manufacturer
Correct Answer: B
Explanation: A fail-safe design ensures that if a component fails, the system will default to a condition
that minimizes risk and damage.
Question 17:
Which document is most likely to define the acceptable quality levels for welding in process piping?
A) ASME Boiler and Pressure Vessel Code
B) ASME B31.3
C) NFPA 70
D) ASTM E84
Correct Answer: B
Explanation: ASME B31.3 includes detailed requirements for welding, joining, and the quality assurance
of process piping systems.
Question 18:
What does “in-service inspection” mean in process piping?
A) An inspection performed only during installation
B) An inspection conducted while the piping system is in operation
C) A review of material certifications
D) A test for pipe alignment
Correct Answer: B
Explanation: In-service inspection refers to the periodic examination of the piping system while it is
operational, ensuring ongoing safety and performance.
Question 19:
The term “fabricator” in the piping industry most commonly refers to:
A) A design engineer
Question 1:
Which term best describes the “process piping system” in an industrial facility?
A) A network of water distribution pipes
B) A system of interconnected pipes conveying process fluids
C) A set of electrical conduits
D) A framework for HVAC distribution
Correct Answer: B
Explanation: Process piping systems are designed specifically to transport process fluids (gases, liquids,
slurries) within industrial settings.
Question 2:
What does the term “API” most commonly refer to in the piping industry?
A) American Pipe Institute
B) Application Programming Interface
C) American Petroleum Institute
D) Automatic Pressure Indicator
Correct Answer: C
Explanation: In process piping, “API” stands for American Petroleum Institute, which publishes
standards and guidelines used in the industry.
Question 3:
Which of the following is a key regulation affecting process piping installations in Oklahoma?
A) NFPA 70
B) OSHA regulations
C) FAA guidelines
D) EPA noise standards
Correct Answer: B
Explanation: OSHA regulations govern safety practices, including those for process piping installation
and maintenance.
Question 4:
In piping terminology, “nominal pipe size” refers to:
A) The exact measured outside diameter
B) A standardized designation approximating pipe dimensions
C) The weight of the pipe per foot
D) The thickness of the pipe wall
Correct Answer: B
Explanation: “Nominal pipe size” is a term that denotes a standardized designation which may not
reflect exact physical dimensions but serves as an industry reference.
Question 5:
Which term describes the maximum allowable working pressure of a piping system?
A) Burst pressure
,B) Test pressure
C) Operating pressure
D) Design pressure
Correct Answer: D
Explanation: The design pressure is the maximum pressure the piping system is engineered to withstand
under normal operating conditions.
Question 6:
Which document establishes the minimum requirements for process piping design and construction?
A) ASME B31.3
B) NFPA 101
C) API 650
D) ASTM A106
Correct Answer: A
Explanation: ASME B31.3 is the primary code that sets forth the design, fabrication, assembly, erection,
examination, and testing requirements for process piping.
Question 7:
What does “corrosion allowance” in piping design refer to?
A) A discount in project cost for corrosion control measures
B) An extra thickness provided to offset expected material loss due to corrosion
C) The period during which a pipe is exempt from corrosion testing
D) The type of corrosion inhibitor used in the system
Correct Answer: B
Explanation: Corrosion allowance is an extra material thickness added to compensate for expected
material loss from corrosion over the life of the pipe.
Question 8:
The term “piping isometric” most accurately refers to:
A) A drawing that represents the three-dimensional piping system on a two-dimensional plane
B) A pipe’s resistance to bending
C) A measurement standard for pipe diameters
D) The equal spacing of supports along the pipe
Correct Answer: A
Explanation: An isometric drawing provides a three-dimensional view of a piping system, which aids in
visualizing the layout from a two-dimensional perspective.
Question 9:
Which regulatory agency primarily oversees occupational safety in process piping work?
A) OSHA
B) FDA
C) DOT
D) EPA
Correct Answer: A
Explanation: OSHA (Occupational Safety and Health Administration) is responsible for ensuring safe and
healthy working conditions, including in process piping.
,Question 10:
The term “piping stress analysis” is used to evaluate:
A) The cost of pipe installation
B) The physical stresses and potential deformation in piping systems
C) The color coding of pipes
D) The flow rate of the fluid
Correct Answer: B
Explanation: Piping stress analysis is performed to ensure that the system can withstand internal
pressures, thermal expansion, and external loads without excessive deformation or failure.
Question 11:
Which term refers to the examination of piping systems for defects and compliance?
A) Fabrication review
B) Inspection and testing
C) Installation auditing
D) Material takeoff
Correct Answer: B
Explanation: Inspection and testing are critical quality-control processes used to verify that piping
systems meet the design and regulatory requirements.
Question 12:
“Hydrostatic testing” is primarily used to:
A) Verify the thermal insulation of the system
B) Check for leaks and ensure pipe integrity under pressure
C) Determine fluid velocity
D) Measure pipe wall thickness
Correct Answer: B
Explanation: Hydrostatic testing involves filling the pipe with water and pressurizing it to check for leaks
and confirm its strength and integrity.
Question 13:
What is “material takeoff” in the context of piping?
A) The process of removing old pipes from a facility
B) The calculation of material quantities required for a project
C) A method for estimating labor cost
D) A technique for bending pipes
Correct Answer: B
Explanation: Material takeoff is the process by which contractors calculate the quantities and types of
materials required for the project, based on the plans.
Question 14:
Which of the following best describes “pipe specification”?
A) A list of approved suppliers
B) A document detailing the materials, dimensions, and fabrication requirements for pipes
C) A diagram of the piping layout
D) A cost estimation sheet
, Correct Answer: B
Explanation: Pipe specifications define the required materials, dimensions, pressure ratings, and other
fabrication details necessary to produce compliant piping components.
Question 15:
In process piping terminology, “as-built drawings” are:
A) The original design schematics
B) Drawings revised to reflect the completed installation
C) The contractor’s cost estimates
D) The regulatory inspection reports
Correct Answer: B
Explanation: As-built drawings are updated documents that show the exact installation details after
construction, including any modifications from the original design.
Question 16:
The phrase “fail-safe” when used in piping design most nearly means:
A) The system will never fail under any circumstances
B) The system is designed to minimize harm in case of failure
C) The pipes are made of the strongest material available
D) The installation is guaranteed by the manufacturer
Correct Answer: B
Explanation: A fail-safe design ensures that if a component fails, the system will default to a condition
that minimizes risk and damage.
Question 17:
Which document is most likely to define the acceptable quality levels for welding in process piping?
A) ASME Boiler and Pressure Vessel Code
B) ASME B31.3
C) NFPA 70
D) ASTM E84
Correct Answer: B
Explanation: ASME B31.3 includes detailed requirements for welding, joining, and the quality assurance
of process piping systems.
Question 18:
What does “in-service inspection” mean in process piping?
A) An inspection performed only during installation
B) An inspection conducted while the piping system is in operation
C) A review of material certifications
D) A test for pipe alignment
Correct Answer: B
Explanation: In-service inspection refers to the periodic examination of the piping system while it is
operational, ensuring ongoing safety and performance.
Question 19:
The term “fabricator” in the piping industry most commonly refers to:
A) A design engineer
