SC Plumber Contractor Practice Questions - South Carolina Plumber Contractor Examination Exam

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A horizontal fixture branch serves only one private 1.6-gpf bathroom group (5 DFU). Table 710.1(2) allows 6 DFU on a 2-inch horizontal branch. What is the minimum size of this branch?

1-1/2 inches 2 inches 3 inches 4 inches

Correct Answer:

3 inches

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