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

Post a Comment

Try These Too!

Fire-alarm & detection systems

In an atrium connecting 2 or more stories, what device types are generally required per section 907.2.13 of the International Fire Code (IFC)? Answer Fire alarm activated by automatic alarm, fire flow or manual alarm. Further, in Group A, E or M occupancies, emergency voice / alarm communication system is required per 907.2.12.2 (High-rise buildings). ARE 4.0 exam prep: BS
Post a Comment
See the answer »

Plywood double-post!

Why are the plies in plywood turned at right angles in each successive layer? Answer This helps plywood panels to have a high degree of resistance to splitting. In this image, the panel consists of 3 plies. What is the name of each ply? Answer Face+Core+Face. In 5 or 7 ply panels, the core is sandwiched by crossbacks with a face and a back ply. ARE 4.0 exam prep: BDCS
Post a Comment
See the answer »

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
Post a Comment
See the answer »