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

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A public toilet-room isometric shows four public 1.6-gpf water closets, four lavatories, and two urinals that use 1 gallon per flush or less. What is the total DFU load on the horizontal branch?

16 DFU 20 DFU 24 DFU 28 DFU

Correct Answer:

24 DFU

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