SC Boiler Installation Practice Questions - South Carolina Boiler Installation Contractor Examination Exam

Carbon-steel steam and hot-water mains accommodate thermal expansion by which combination of methods?

Rigid anchors at both ends and no offsets Anchors, guides, and flexibility from loops, offsets, or expansion joints, using a steel growth of about 3/4 inch per 100 feet per 100°F Hanging every joint from a spring only, with no anchors Relying on the boiler nozzle to absorb all growth

Correct Answer:

Anchors, guides, and flexibility from loops, offsets, or expansion joints, using a steel growth of about 3/4 inch per 100 feet per 100°F

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