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Plumbing: Module 1 Exam/43 Accurate Questions and Answers/A+ Rated
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Plumbing: Module 1 Exam/43 AccurateQuestions and Answers/A+ Rated
Aboveground Rough-In - -The second phase of a plumbing project. During
this phase, holes are cut in walls, ceilings, and floors. Then, supply and waste
pipes are attached or hung so they can be connected to fixtures. Also
referred to as STACK OUT, TOP OUT, or IN-WALL ROUGH-IN.
-Appurtenances - -Accessories or apparatus that require no demand from
the water supply side and add no load to the waste side.
-Aqueduct - -A man-made channel used to carry water.
-Aquifer depletion - -The use of underground fresh water at a rate faster
than it can be replenished.
-Backflow - -The flow of contaminated water into the freshwater system
resulting from a cross-connection between potable and non-potable water
systems.
-Backflow Preventer - -A device that prevents non-potable water from
entering a potable supply system.
-Bioswale - -A depression in the ground that filters pollutants from
stormwater.
-Chlorine - -A heavy, greenish-yellow gas used as a disinfectant in water
treatment. Chlorine should be handled only when wearing appropriate
personal protective equipment.
-Code - -A requirement published by state and local governments to
establish minimum standards for various types of construction. A code
carries the force of law.
-Cross-connection - -an arrangement between a potable water system and
a non-potable water system in which an accidental pressure differential
between the two systems causes backflow of contaminated water into the
freshwater system.
-Disinfection - -The process of destroying harmful organisms in potable
water.
-Drain, Waste, and Vent (DWV) - -A piping system that combines sanitary
drainage with venting.
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