NCCER PLUMBING LEVEL 1 EXAM QUESTIONS

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NCCER PLUMBING LEVEL 1 EXAM QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -52 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: Solvent welding does t work for this material, so you must use heat fusion or mechanical joints and clamps when joining.

Answer:

PE

Question 2: Plumbers often use c-clamps to fasten pipe to

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Metal structures Question 3: Tubes that are measured in nominal or standard sizing have an OD that is

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I/8" larger than nominal size Question 4: Which of the following system conditions does CPVC pipe have more resistance compared to copper pipe

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Water hammer Question 5: To pressure test a dwv system, a plumber should fill the vent stack woth

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Water

Question 6: vertical and horizontal piping along with sizes and a riser number that refers back to the full set of plumbing drawings are shown on

Answer:

Riser diagrams

Question 7: Which kind of fitting connects pipes or different sizes

Answer:

Reducers

Question 8: Plumbers commonly us PR as tub because of its

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strength, flexibility, and chemical-resistance properties Question 9: When measuring plastic pipe before cutting you must take into account all of the following except

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Pipe diameter Question 10: Because of its versatility, light weight, and relatively low cost, material that is often used to make plumbing fixtures is

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Plastic Question 11: Before assembling plastic pipe joints involving gaskets, such as ring-tight gasket fittings, you should

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Bevel the spigot end of the pipe Question 12: 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

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Self-feeding bit

Question 13: The preferred tool for cutting tubing is a

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Handheld cutter Question 14: The part of the hanger that links the tube itself to the structural attachment that e called a

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Connector

Question 15: Plot plans usually show

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Utility easements

Question 16: Which of the listed fittings are used to close open-ended pipes

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Caps

Question 17: Thread engagement refers to the

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length of pipe that screws into a fitting Question 18: Structural site components to support the vertical load of the tube are attached using

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Tube riser clamps Question 19: People who develop, design, manufacture, and test mechanical devices are called

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Mechanical engineers

Question 20: Project managers are responsible for

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Controlling the scope and direction of a plumbing business

Question 21: A type of cutter used for cutting small-diameter l, soft material such as copper, brass, and aluminum tubing or thin-wall conduit is

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Tube cutter Question 22: What is a major concern when joining PVC and CPVC pipe when working in hot temperatures

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Cement drying Question 23: When measuring pipe, your pipe will be cut too short unless you take into account it's

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Thread engagement

Question 24: To cut threads into galvanized and black-iron pipes, use

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Dies Question 25: Compared to other types of piping, copper tube and fittings are generally

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More expensive Question 26: Fittings with recessed threads that are used only on soil and waste piping systems are called

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Drainage fittings Question 27: Which is fathers following should you avoid when assembling bell-and-spigot plastic drain pipe?

Answer:

Stabbing or swing pipe sections together