A house sewer shall be laid on a grade of notes less than _______ and not more than a _______ per foot.

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Study for the Kentucky Journeyman Plumbing Test. Use flashcards and multiple choice questions with hints and explanations to improve your knowledge. Prepare for your exam effectively!

Multiple Choice

A house sewer shall be laid on a grade of notes less than _______ and not more than a _______ per foot.

Explanation:
The idea is to set a sewer grade that keeps wastewater moving enough to carry solids without making the flow so fast that solids are washed out or joints are stressed. For a house sewer, the standard range is a minimum of 1/8 inch per foot and a maximum of 1/4 inch per foot. This means for every foot of pipe, the elevation should drop between 1/8 and 1/4 inch. For example, a run of 8 feet should drop somewhere between 1 and 2 inches. The other options either give too shallow a slope, or set an impossible min/max pair (min larger than max or both equal to the same value), so they don’t fit the required range.

The idea is to set a sewer grade that keeps wastewater moving enough to carry solids without making the flow so fast that solids are washed out or joints are stressed. For a house sewer, the standard range is a minimum of 1/8 inch per foot and a maximum of 1/4 inch per foot. This means for every foot of pipe, the elevation should drop between 1/8 and 1/4 inch. For example, a run of 8 feet should drop somewhere between 1 and 2 inches. The other options either give too shallow a slope, or set an impossible min/max pair (min larger than max or both equal to the same value), so they don’t fit the required range.

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