Exam (elaborations)
Plumbing Level 1, Module 1.
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Plumbing Level 1, Module 1.
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Plumbing Level 1, Module 1Aboveground rough-in - ANS-The second phase of a plumbing project. During this
phase, holes are cut in walls, ceiling, 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 - ANS-Accessories or apparatus that require no demand from the water
supply side and add no load to the waste side.
Aqueduct - ANS-A man-made channel used to carry water.
Aquifer depletion - ANS-The use of underground fresh water at a rate faster than it can
be replenished.
Backflow - ANS-The flow of contaminated water into the freshwater system resulting
from a cross-connection between potable and nonpotable water systems.
Backflow preventer - ANS-A device that prevents nonpotable water from entering a
potable supply system.
Bioswale - ANS-A depression in the ground that filters pollutants from stormwater.
Chlorine - ANS-A heavy, greenish-yellow gas used as a disinfectant in water treatment.
It should be handled only when wearing appropriate personal protective equipment.
Code - ANS-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 - ANS-An arrangement between a potable water system and a
nonpotable water system in which an accidental pressure differential between the two
system causes backflow of contaminated water into the freshwater system.
Disinfection - ANS-The process of destroying harmful organisms in potable water.
Drain, Waste, and Vent (DWV) - ANS-A piping system that combines sanitary drainage
with venting.
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