SC Pressure And Process Piping Practice Questions - South Carolina Pressure And Process Piping Contractor Examination Exam

For a given NPS, how does Schedule 80 carbon-steel pipe differ from Schedule 40?

Schedule 80 has a larger outside diameter and the same wall Both have the same outside diameter; Schedule 80 has a thicker wall and a smaller inside diameter Schedule 80 is always stainless; Schedule 40 is always carbon steel Schedule numbers are random and do not relate to wall thickness

Correct Answer:

Both have the same outside diameter; Schedule 80 has a thicker wall and a smaller inside diameter

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