SC Water And Sewer Plants Practice Questions - South Carolina Water And Sewer Plants Contractor Examination Exam

When assembling a mechanical joint, DIPRA requires bolts to be tightened in which pattern?

Consecutive bolts around the circle, fully torqued one at a time A star pattern: bottom, then top, then the two sides, repeating until all bolts are in the specified torque range The two bolts nearest the bell tap only, leaving the others hand-tight Impact-tightening the nuts until the gasket extrudes uniformly

Correct Answer:

A star pattern: bottom, then top, then the two sides, repeating until all bolts are in the specified torque range

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