Pipefitter Journeyman Licensure Exam Pr v v v v
actice Questions And Correct Answers (Ve
v v v v v
rified Answers) Plus Rationales 2026 Q&A
v v v v v
v | Instant Download Pdf
v v v
1. Which of the following materials is most commonly used for high-
v v v v v v v v v v v
pressure steam piping?
v v
a) PVC
b) Carbon steel v
c) Copper
d) Aluminum
Rationale: Carbon steel is preferred for high-
v v v v v v
pressure steam systems due to its strength and heat resistance.
v v v v v v v v v
2. What is the standard pipe schedule for a 2-
v v v v v v v v
inch nominal diameter pipe used for steam service?
v v v v v v v
a) Schedule 10 v
b) Schedule 20 v
, c) Schedule 40 v
d) Schedule 80 v
Rationale: Schedule 40 is commonly used for standard steam service pi
v v v v v v v v v v
ping; higher pressures may require Schedule 80.
v v v v v v
3. Which welding process is most often used for joining carbon steel p
v v v v v v v v v v v
ipes in industrial applications?
v v v
a) MIG welding v
b) TIG welding v
c) SMAW (Stick welding) v v
d) Oxy-acetylene welding v
Rationale: SMAW is widely used for carbon steel pipe welding due to po
v v v v v v v v v v v v
rtability and adaptability in field conditions.
v v v v v
4. What is the purpose of a pipe hanger?
v v v v v v v
a) To insulate the pipe
v v v
b) To connect pipe sections
v v v
c) To support the pipe and maintain alignment
v v v v v v
d) To measure pressure in the pipe
v v v v v
Rationale: Pipe hangers support piping systems and prevent sagging o
v v v v v v v v v
r misalignment.
v
5. When threading a steel pipe, what is used to lubricate the dies?
v v v v v v v v v v v
a) Water
b) Solvent
c) Cutting oil v
, d) Grease
Rationale: Cutting oil reduces friction and prevents damage to threads
v v v v v v v v v v
during threading.
v
6. What is the minimum clearance required between steam pipes and c
v v v v v v v v v v
ombustible materials? v
a) 1 inch
v
b) 2 inches
v
c) 18 inches
v
d) 24 inches
v
Rationale: Steam pipes must be installed with adequate clearance to p
v v v v v v v v v v
revent fire hazards; 18 inches is standard in many codes.
v v v v v v v v v
7. What type of joint is most commonly used for copper piping in water se
v v v v v v v v v v v v v
rvice?
a) Welded joint v
b) Threaded joint v
c) Soldered (Sweat) joint v v
d) Flanged joint v
Rationale: Copper water piping typically uses soldered joints for secure
v v v v v v v v v
, leak-free connections.
v v
8. Which tool is used to measure the thickness of pipe walls?
v v v v v v v v v v
a) Pipe wrench v
b) Vernier caliper v
c) Micrometer
, d) Torque wrench v
Rationale: Micrometers precisely measure pipe wall thickness to ensur
v v v v v v v v
e compliance with specifications.
v v v
9. Which valve type is best suited for throttling flow?
v v v v v v v v
a) Gate valve v
b) Globe valve v
c) Ball valve v
d) Check valve v
Rationale: Globe valves allow precise flow control and are ideal for thr
v v v v v v v v v v v
ottling applications. v
10. What is the purpose of a pressure relief valve in a piping system?
v v v v v v v v v v v v
a) To increase pressure
v v
b) To prevent leaks
v v
c) To release excess pressure and prevent system failure
v v v v v v v
d) To measure pressure
v v
Rationale: Pressure relief valves protect piping systems from overpress
v v v v v v v v
ure conditions.
v
11. In which situation should a pipe be annealed after bending?
v v v v v v v v v
a) When using PVC pipe v v v
b) When threading galvanized pipe v v v
c) When bending high-carbon steel pipe
v v v v
d) When connecting flanges v v
actice Questions And Correct Answers (Ve
v v v v v
rified Answers) Plus Rationales 2026 Q&A
v v v v v
v | Instant Download Pdf
v v v
1. Which of the following materials is most commonly used for high-
v v v v v v v v v v v
pressure steam piping?
v v
a) PVC
b) Carbon steel v
c) Copper
d) Aluminum
Rationale: Carbon steel is preferred for high-
v v v v v v
pressure steam systems due to its strength and heat resistance.
v v v v v v v v v
2. What is the standard pipe schedule for a 2-
v v v v v v v v
inch nominal diameter pipe used for steam service?
v v v v v v v
a) Schedule 10 v
b) Schedule 20 v
, c) Schedule 40 v
d) Schedule 80 v
Rationale: Schedule 40 is commonly used for standard steam service pi
v v v v v v v v v v
ping; higher pressures may require Schedule 80.
v v v v v v
3. Which welding process is most often used for joining carbon steel p
v v v v v v v v v v v
ipes in industrial applications?
v v v
a) MIG welding v
b) TIG welding v
c) SMAW (Stick welding) v v
d) Oxy-acetylene welding v
Rationale: SMAW is widely used for carbon steel pipe welding due to po
v v v v v v v v v v v v
rtability and adaptability in field conditions.
v v v v v
4. What is the purpose of a pipe hanger?
v v v v v v v
a) To insulate the pipe
v v v
b) To connect pipe sections
v v v
c) To support the pipe and maintain alignment
v v v v v v
d) To measure pressure in the pipe
v v v v v
Rationale: Pipe hangers support piping systems and prevent sagging o
v v v v v v v v v
r misalignment.
v
5. When threading a steel pipe, what is used to lubricate the dies?
v v v v v v v v v v v
a) Water
b) Solvent
c) Cutting oil v
, d) Grease
Rationale: Cutting oil reduces friction and prevents damage to threads
v v v v v v v v v v
during threading.
v
6. What is the minimum clearance required between steam pipes and c
v v v v v v v v v v
ombustible materials? v
a) 1 inch
v
b) 2 inches
v
c) 18 inches
v
d) 24 inches
v
Rationale: Steam pipes must be installed with adequate clearance to p
v v v v v v v v v v
revent fire hazards; 18 inches is standard in many codes.
v v v v v v v v v
7. What type of joint is most commonly used for copper piping in water se
v v v v v v v v v v v v v
rvice?
a) Welded joint v
b) Threaded joint v
c) Soldered (Sweat) joint v v
d) Flanged joint v
Rationale: Copper water piping typically uses soldered joints for secure
v v v v v v v v v
, leak-free connections.
v v
8. Which tool is used to measure the thickness of pipe walls?
v v v v v v v v v v
a) Pipe wrench v
b) Vernier caliper v
c) Micrometer
, d) Torque wrench v
Rationale: Micrometers precisely measure pipe wall thickness to ensur
v v v v v v v v
e compliance with specifications.
v v v
9. Which valve type is best suited for throttling flow?
v v v v v v v v
a) Gate valve v
b) Globe valve v
c) Ball valve v
d) Check valve v
Rationale: Globe valves allow precise flow control and are ideal for thr
v v v v v v v v v v v
ottling applications. v
10. What is the purpose of a pressure relief valve in a piping system?
v v v v v v v v v v v v
a) To increase pressure
v v
b) To prevent leaks
v v
c) To release excess pressure and prevent system failure
v v v v v v v
d) To measure pressure
v v
Rationale: Pressure relief valves protect piping systems from overpress
v v v v v v v v
ure conditions.
v
11. In which situation should a pipe be annealed after bending?
v v v v v v v v v
a) When using PVC pipe v v v
b) When threading galvanized pipe v v v
c) When bending high-carbon steel pipe
v v v v
d) When connecting flanges v v
