Soldering Copper Pipes Quiz

Which of the following is NOT listed as a tool needed for soldering copper pipe?

• Tubing cutter

• Wire-bristle fitting brush

• Adjustable wrench

• Torch

What is the purpose of using a tubing cutter rather than a hacksaw when cutting copper pipe?

• To make a perfectly square cut

• To apply flux more easily

• To preassemble the pipe

• To clean the pipe

What should always be kept close by as a safety measure when soldering?

• A wire-bristle fitting brush

• A tubing cutter

• A working fire extinguisher

• A roll of lead-free solder

What is the purpose of applying flux to the metal when soldering?

• To cool down the metal

• To deep-clean the metal

• To protect the metal from heat

• To color the metal

What should be used to polish the outside of the pipe before soldering?

• A wet cloth

• Sandpaper

• A length of emery screen

• Steel wool

When heating copper with a torch for soldering, where should you direct the flame?

• To the end of the pipe

• Directly at the solder

• To the middle of the fitting

• Away from the copper

What is the indication that it is time to apply solder to the joint when soldering copper pipes?

• When the copper turns a dull red color

• When the copper begins to melt

• When the copper takes on a shiny, iridescent appearance

• When the flux begins to dry

When soldering a fitting, why should you work from lowest to highest?

• Because it is easier to handle the torch this way

• Because the high side will stay hotter longer

• To prevent the solder from dripping

• To ensure an even distribution of heat