Nccer Plumbing Level 1 |52 Questions| With Correct Answers.

Your supervisor points out that you forgot to complete a step in the assembly of a drain in a DWV system. One of the apprentices that you are supervising was a he person installing the drain. The responsible action is to {Ans: Take responsibility for the work done under your supervision}Plumbers commonly us PR as tub because of its {Ans: strength, flexibility, and chemical-resistance properties}the type of cable also known as a ground key is the {Ans: Stop valve}People who develop, design, manufacture, and test mechanical devices are called {Ans: Mechanical engineers}A type of bit that will bore holes in wood quickly and is good for drilling through floor joists and wall studs, and for drilling in hard to reach areas is the {Ans: Self-feeding bit}Fittings with recessed threads that are used only on soil and waste piping systems are called {Ans: Drainage fittings}