Journeyman Exam Prep Industrial Trades Exam

PIPEFITTER STAR EXAM – Most Recent
exam COMPLETE (2026) EXAM Questions
and Answers (Verified Answers) (Latest
Update 2026) Graded A+


SECTION 1 — General Pipefitting
(Questions 1–25)
1. Pipe schedule refers to:
A. Pipe length
B. Pipe OD
C. Wall thickness
D. Pipe grade
Rationale: Higher schedule = thicker wall.

2. NPS stands for:
A. Nominal Pipe Size
B. Normal Pressure System
C. National Pipe Standard
D. Nominal Pressure Setting

3. Typical steel pipe OD is:
A. Always equal to NPS
B. Larger than NPS
C. Smaller than NPS
D. Random
Rationale: OD is fixed; ID changes with schedule.

4. Black steel pipe is used mainly for:
A. Potable water
B. Steam & gas
C. Chemical acid
D. PVC transition

, 5. Galvanized pipe is coated with:
A. Aluminum
B. Magnesium
C. Zinc
D. Nickel

6. A long-radius 90° elbow has a radius of:
A. 1 × NPS
B. 1.5 × NPS
C. 2 × NPS
D. 3 × NPS

7. A 45° elbow changes direction by:
A. 30°
B. 45°
C. 60°
D. 90°

8. Pipe supports are spaced based on:
A. Pipe color
B. Pipe weight & diameter
C. Temperature only
D. Code preference

9. A 3" flange bolt pattern depends on:
A. Schedule
B. ANSI rating
C. Pipe grade
D. Length

10. Victaulic systems use:
A. Threads
B. Welds
C. Grooved ends
D. Compression

11. The pipefitter’s wrap is used for:
A. Heat tracing
B. Measuring OD
C. Scribing straight lines
D. Cleaning pipe

12. A concentric reducer reduces:
A. Flow temperature
B. Pressure