NV A General Engineering Practice Questions - Nevada A General Engineering Contractor Examination Exam

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A steel gas-transmission pipe has outside diameter 20 inches, SMYS 52,000 psi, design factor F = 0.50 (Class 3), and joint and temperature factors of 1.00. For an internal design pressure of 1,000 psi, what wall thickness does t = PD / (2 × SMYS × F) require?

0.192 inch 0.240 inch 0.385 inch 0.500 inch

Correct Answer:

0.385 inch

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