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Free Florida Master Plumber Exam Practice Questions
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Question 1 of 10Drainage
An engineer totals the roof drainage for a commercial building and finds that one vertical round leader must carry 300 gpm from the roof area it serves. The plumbing code lists capacities for standard round leader diameters, and the plumber must select the smallest listed leader that handles the flow without being oversized. Which round leader size should be specified? Answer with the nominal diameter in inches.
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