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PLUMBING LEVEL 1, MODULE 1 EXAM QUESTIONS
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -42 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: Finish
Answer:
The third phase of a plumbing project. During the finish phase, plumbers install fixtures, appliances, water purification systems, water heaters, and controls. Also referred to as trim-out or trim finish.
Question 2: Solar hot water
Answer:
Water that has been directly or indirectly heated by sunlight.
Question 3: On-the-job learning (OJL)
Answer:
Field experience used in conjunction with classroom lessons in an apprenticeship program. ATELS requires 144 hours of classroom instruction per year and 2,000 hours of OJL per year.
Question 4: Journey Plumber
Answer:
A plumber who has successfully completed an apprenticeship-training program.
Question 5: Softening
Answer:
The process of removing magnesium and sodium salts that cause scale on the inside of pipes and fittings.
Question 6: Polyvinyl Chloride (PVC)
Answer:
A thermoplastic material frequently used in tubing for cold water systems and the first type of plastic approved for use in plumbing.
Question 7: Appurtenances
Answer:
Accessories or apparatus that require no demand from the water supply side and add no load to the waste side.
Question 8: Thermoset
Answer:
A plastic material used in plumbing and sanitary systems that becomes substantially infusible and insoluble when treater by heat or chemicals.
Question 9: Reclaimed water
Answer:
Wastewater that has had impurities and solids removed from it so that it can be reused for non-potable purposes.
Question 10: Backflow
Answer:
The flow of contaminated water into the freshwater system resulting from a cross-connection between potable and nonpotable water systems.
Question 11: Potable
Answer:
Water that is safe for cooking and drinking.
Question 12: Disinfection
Answer:
The process of destroying harmful organisms in potable water.
Question 13: Cross-connection
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.
Question 14: Geothermal
Answer:
Heat that is generated below Earth's surface.
Question 15: Unites States Green Building Council (USGBC)
Answer:
The non-profit construction trade organization responsible for the development of LEED.
Question 16: Fixture
Answer:
A device that receives water from a water supply line. Common fixtures include sinks, shower stalls, and toilets.
Question 17: Leadership in Energy and Environmental Design (LEED)
Answer:
A system for certifying that buildings have been designed and constructed to environmental standards.
Question 18: Top-out
Answer:
Another term for aboveground rough-in.
Question 19: Plumbum
Answer:
Latin word for Lead
Question 20: Trim-out
Answer:
Another term for finish
Question 21: Aquifer depletion
Answer:
The use of underground fresh water at a rate faster than it can be replenished.
Question 22: Drain, Waste, and Vent (DWV)
Answer:
A piping system that combines sanitary drainage with venting.
Question 23: Ethics
Answer:
A set of principles and values that guide an individual's conduct.
Question 24: Backflow preventer
Answer:
A device that prevents nonpotable water from entering a potable supply system.
Question 25: Water efficiency
Answer:
The managed use of drinkable water to reduce waste.
Question 26: Graywater
Answer:
Water that comes from baths and washing machines.
Question 27: Plumbarius
Answer:
The Roman term for someone who works with lead. The root of the modern work plumber.
Question 28: Aboveground rough-in
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.
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