Measurement will include the ability to read a rule accurately, to within +/- 1/16 inch. Pipe may be measured end-to-end, center-to-center, face-to-face, or in other ways, as determined by the instructor.
Process/Skill Questions:
Are pipes measured by the inside or the outside diameters?
What are the standard wall thicknesses?
Why are accurate measurements important when completing a plumbing task?