Pipefitter Journeyman
Licensure Exam Practice
Questions And Correct
Answers (Verified Answers)
Plus Rationales 2026 Q&A |
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1. Which of the following materials is most
commonly used for high- pressure steam piping?
a) PVC
b) Carbon steel
c) Copper
d) Aluminum
Rationale: Carbon steel is preferred for high-
, pressure steam systems due to its strength and
heat resistance.
2. What is the standard pipe schedule for a 2-inch
nominal diameter pipe used for steam service?
a) Schedule 10
b) Schedule 20
, c) Schedule 40
d) Schedule 80
Rationale: Schedule 40 is commonly used for
standard steam service piping; higher pressures
may require Schedule 80.
3. Which welding process is most often used for
joining carbon steel pipes in industrial
applications?
a) MIG welding
b) TIG welding
c) SMAW (Stick welding)
d) Oxy-acetylene welding
Rationale: SMAW is widely used for carbon steel
pipe welding due to portability and adaptability in
field conditions.
4. What is the purpose of a pipe hanger?
a) To insulate the pipe
b) To connect pipe sections
c) To support the pipe and maintain alignment
d) To measure pressure in the pipe
Rationale: Pipe hangers support piping systems and
prevent sagging or misalignment.
, 5. When threading a steel pipe, what is used to lubricate
the dies?
a) Water
b) Solvent
c) Cutting oil
Licensure Exam Practice
Questions And Correct
Answers (Verified Answers)
Plus Rationales 2026 Q&A |
Instant Download Pdf
1. Which of the following materials is most
commonly used for high- pressure steam piping?
a) PVC
b) Carbon steel
c) Copper
d) Aluminum
Rationale: Carbon steel is preferred for high-
, pressure steam systems due to its strength and
heat resistance.
2. What is the standard pipe schedule for a 2-inch
nominal diameter pipe used for steam service?
a) Schedule 10
b) Schedule 20
, c) Schedule 40
d) Schedule 80
Rationale: Schedule 40 is commonly used for
standard steam service piping; higher pressures
may require Schedule 80.
3. Which welding process is most often used for
joining carbon steel pipes in industrial
applications?
a) MIG welding
b) TIG welding
c) SMAW (Stick welding)
d) Oxy-acetylene welding
Rationale: SMAW is widely used for carbon steel
pipe welding due to portability and adaptability in
field conditions.
4. What is the purpose of a pipe hanger?
a) To insulate the pipe
b) To connect pipe sections
c) To support the pipe and maintain alignment
d) To measure pressure in the pipe
Rationale: Pipe hangers support piping systems and
prevent sagging or misalignment.
, 5. When threading a steel pipe, what is used to lubricate
the dies?
a) Water
b) Solvent
c) Cutting oil
