Journeyman Plumber Practice Questions - Journeyman Plumber License Exam

What is the definition of a "DFU" (Drainage Fixture Unit)?

A measure of the discharge rate from a fixture in gallons per minute A measure of the probable discharge into the drainage system by various types of plumbing fixtures The total volume of water used by a fixture in a 24-hour period The diameter of the drain pipe required for a specific fixture

Correct Answer:

A measure of the probable discharge into the drainage system by various types of plumbing fixtures

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