Plumbing Tools & Techniques

Question 1

What tool is used to cut copper pipe cleanly without burrs?

Accepted Answer

Pipe cutter (tube cutter)

Answer

Hacksaw only

Answer

Angle grinder

Answer

Reciprocating saw

Question 2

What is the purpose of a pipe reamer or deburring tool after cutting pipe?

Accepted Answer

To remove the interior burr left by cutting to restore full flow area

Answer

To flare the pipe end

Answer

To measure pipe diameter

Answer

To clean the pipe exterior

Question 3

What tool is used to thread the inside of a pipe fitting to accept a pipe nipple?

Accepted Answer

Pipe tap

Answer

Pipe die

Answer

Thread chaser

Answer

Pipe wrench

Question 4

What is the correct way to use Teflon tape (PTFE tape) on threaded pipe joints?

Accepted Answer

Wrap clockwise in the direction of the threads (2–3 wraps)

Answer

Wrap counterclockwise against the thread direction

Answer

Apply only to female threads

Answer

Use on all types of pipe joints including solvent-welded

Question 5

What is a pipe wrench used for and what materials should it NOT be used on?

Accepted Answer

Gripping and turning threaded metal pipe; should not be used on chrome or polished finishes

Answer

All pipe types; should not be used on gas lines

Answer

Tightening compression fittings only; should not be used on plastic

Answer

Cutting pipe; should not be used on thin-walled tubing

Question 6

What does a plumber use to solder (sweat) copper pipe joints?

Accepted Answer

Propane or MAPP gas torch, solder, and flux

Answer

Solvent cement and primer

Answer

Heat gun and thermoplastic welding rod

Answer

Crimping tool and crimp rings