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

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An isometric shows a vertical riser dimension of 8 ft 6 in from the centerline of a horizontal NPS 6 run to the face of a nozzle. The riser starts with an NPS 6 LR 90 turning up. What length of pipe is needed on the riser if the nozzle connection is a 3-1/2 in weld-neck flange (ignore weld gap)?

8 ft 6 in 7 ft 9 in 6 ft 5-1/2 in 5 ft 0 in

Correct Answer:

6 ft 5-1/2 in

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