The joint for soldering is supported by binding wire made of ____________________?
Correct answer: C. Soft iron
- A. Mild steel
- B. Copper
- C. Soft iron
- D. Stainless steel
Explanation
Soft iron binding wire is commonly used to hold soldered parts firmly during heating and cooling. It is easy to bend and withstands the soldering temperature without rapidly melting, unlike solder itself.
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