Sherpa Level 1 Practice Exam

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According to proper design, gravity wastewater lines should flow at what capacity under normal conditions and within what velocity range?

Full, at a minimum of one fps and a maximum of five fps. Half full, at a minimum of two fps and a maximum of ten fps. Quarter full, at a minimum of three fps and a maximum of eight fps. Three-quarters full, at a minimum of 0.5 fps and a maximum of six fps.

Correct Answer:

Half full, at a minimum of two fps and a maximum of ten fps.

Explanation:

Gravity wastewater lines are designed to flow half full, under normal conditions, at a minimum of two feet per second (fps) and a maximum of ten fps.

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