STEAMFITTER Study Guide 2026
Everything you need to pass the STEAMFITTER exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 STEAMFITTER Exam Format at a Glance
📚 STEAMFITTER Topics to Study (63)
✍️ Sample STEAMFITTER Questions & Answers
1. What is the recommended minimum pitch (slope) for a steam supply main to ensure proper condensate drainage?
A slope of at least 1/4 inch per foot in the direction of steam flow allows condensate to drain toward drip legs and steam traps.
2. Which document formally authorizes a worker to perform hot work (welding, cutting) in a facility?
A Hot Work Permit documents safety checks, fire watch assignments, and approval before welding or cutting begins.
3. What tool is used to verify that a newly cut pipe end is perfectly square (90° to the pipe axis)?
A combination square's blade is held against the outside diameter of the pipe; a gap indicates the cut is not square to the axis.
4. According to ASME B31.1, what hydrostatic test pressure is required for new piping systems (as a multiple of design pressure)?
ASME B31.1 requires hydrostatic leak testing at 1.5 times the design pressure to verify integrity of new power piping systems.
5. What role does the 'job task analysis (JTA)' play in the Steamfitter exam development process?
The JTA is a systematic survey of practitioners that validates which tasks are critical and frequently performed, ensuring exam content is job-relevant.
6. What does the Nominal Pipe Size (NPS) designation represent?
NPS is a nominal (approximate) designation that historically referenced the inner diameter; for NPS 14 and larger, the NPS actually equals the outer diameter in inches.