Plumbing Level 1, Module 1 Questions with Correct Answers

Aboveground rough-in Correct Answer 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 Correct Answer Accessories or apparatus that require no demand from the water supply side and add no load to the waste side. Aqueduct Correct Answer A man-made channel used to carry water. Aquifer depletion Correct Answer The use of underground fresh water at a rate faster than it can be replenished. Backflow Correct Answer The flow of contaminated water into the freshwater system resulting from a cross-connection between potable and nonpotable water systems. Backflow preventer Correct Answer A device that prevents nonpotable water from entering a potable supply system. Bioswale Correct Answer A depression in the ground that filters pollutants from stormwater. Chlorine Correct Answer A heavy, greenish-yellow gas used as a disinfectant in water treatment. It should be handled only when wearing appropriate personal protective equipment. Code Correct Answer 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 Correct Answer 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 Correct Answer The process of destroying harmful organisms in potable water. Drain, Waste, and Vent (DWV) Correct Answer A piping system that combines sanitary drainage with venting. Ethics Correct Answer A set of principles and values that guide an individual's conduct. Filtration Correct Answer The process of cleansing water to remove particles and chemicals.