What is the nominal pipe size of a schedule S40 pipe with an OD of 6.625 inches and an ID of 0.432?

A. 3 inches
B. 4 inches
C. 6 inches
D. 8 inches


A. Incorrect. The nominal pipe size of a schedule S40 pipe with an OD of 6.625 inches and an ID of 0.432 is 6 inches.
B. Incorrect. The nominal pipe size of a schedule S40 pipe with an OD of 6.625 inches and an ID of 0.432 is 6 inches.
C. Correct. The nominal pipe size of a schedule S40 pipe with an OD of 6.625 inches and an ID of 0.432 is 6 inches.
D. Incorrect. The nominal pipe size of a schedule S40 pipe with an OD of 6.625 inches and an ID of 0.432 is 6 inches.

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