Soldering Copper Pipes Mastery Flashcard

Front

What is the primary purpose of flux in soldering copper pipes?

Back

To clean the copper surface

Front

Which of the following is NOT a tool or material used in soldering copper pipes? Emery cloth, Propane torch, Rubber gasket, Solder wire

Back

Rubber gasket

Front

Before applying flux, what must be done to the copper pipe?

Back

Clean and deburr the pipe

Front

What is the correct order of steps for soldering a copper pipe joint? Options: Clean the pipe, apply flux, heat the joint, apply solder; Apply flux, clean the pipe, heat the joint, apply solder; Heat the joint, clean the pipe, apply flux, apply solder; Clean the pipe, heat the joint, apply flux, apply solder

Back

Clean the pipe, apply flux, heat the joint, apply solder

Front

Why is it important to clean the copper pipe before soldering?

Back

To remove any oils, dirt, and oxidation

Front

What type of solder is most commonly used for soldering copper pipes in plumbing?

Back

Lead-free solder

Front

How do you know when the copper pipe is hot enough to apply solder?

Back

The solder melts on contact with the pipe

Front

What is the main reason for applying heat to the opposite side of the pipe where the solder is applied?

Back

To make the solder flow towards the heat

Front

Which of the following statements about soldering copper pipes is FALSE?
You should apply a generous amount of flux inside the fitting and on the pipe.
The solder should be applied until it is seen coming out of the joint.
It's okay to move the joint immediately after soldering to check its strength.
The joint should be cleaned after soldering to remove any flux residue.

Back

It's okay to move the joint immediately after soldering to check its strength.

Front

What is the purpose of deburring the inside of a copper pipe before soldering?

Back

To prevent turbulence and potential leaks