Skip to main content

Plumbing supply design

When a single supply pipe brings hot water to plumbing fixtures in a building, water that has cooled in the pipes must be run thru until fresh hot water can replace it from the heat source to the fixture. How can this resulting delay for hot water can be solved?

AnswerBy connecting all fixtures that will use hot water with a supply and return pipe, a two-pipe circulating system relies on natural convection to maintain a slow circulation & replacement of heated water.

ARE 4.0 exam prep: BS

Comments

Try These Too!

Stone shape and usage

Which of the following forms of stone is irregular with a minimum of one good face and is used for ashlar veneers, curbs, sills, and copings? A. Monumental stone B. Rubble stone C. Dimension stone D. Rough stone Answer B. Rubble stone. ARE 4.0 exam prep: BDCS

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°

Water supply & demand

EPA.gov Domestic water consumption of an average american family of four is about how many gallons per day? A. 250, B. 400, C. 500, D. 650