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

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At which nominal size does the outside diameter of standard steel pipe equal the NPS number (for example, NPS 14 has a 14.000 in OD)?

NPS 1 NPS 4 NPS 8 NPS 14 and larger

Correct Answer:

NPS 14 and larger

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