Question
Which of the following tools and materials are NOT suitable for cleaning copper tubing before soldering?
A. a file
B. emery cloth
C. abrasive pads
D. steel wool
A. a file
B. emery cloth
C. abrasive pads
D. steel wool
Answers
GPT-4o mini
D. steel wool
Steel wool is generally not suitable for cleaning copper tubing before soldering because it can leave behind small steel particles that may cause rust or contamination. The other options (file, emery cloth, and abrasive pads) are more appropriate for cleaning copper surfaces prior to soldering.
Steel wool is generally not suitable for cleaning copper tubing before soldering because it can leave behind small steel particles that may cause rust or contamination. The other options (file, emery cloth, and abrasive pads) are more appropriate for cleaning copper surfaces prior to soldering.