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

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A typical single-V open-root preparation for NPS carbon-steel pipe, as taught in standard pipe-welding procedures, uses approximately which geometry?

Square butt, zero gap, no land 37½° bevel each side (about 75° included angle), about 1/16-inch land (root face), and about 1/8-inch root opening 15° bevel each side, 3/8-inch land, tight shut A double-V with a 1-inch root opening

Correct Answer:

37½° bevel each side (about 75° included angle), about 1/16-inch land (root face), and about 1/8-inch root opening

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