(Steamfitter) Steamfitter Pipefitter Exam Practice Test
Steamfitter Pipe Systems and Materials
What does the schedule number of a pipe (e.g., Schedule 40 or Schedule 80) indicate?
Select your answer
A
The pipe's material alloy composition
B
The pipe's wall thickness relative to its outer diameter
C
The pipe's maximum allowable working temperature
D
The pipe's manufacturing year standard
Hint
