Temperature attained in soldering of metals is about ________________ °C?
Correct answer: D. 150-300
- A. 1000-1100
- B. 400-500
- C. 650-800
- D. 150-300
Explanation
Ordinary soft soldering uses low-melting alloys and is generally carried out at about 150–300°C. The higher temperature ranges correspond to brazing or fusion-welding processes rather than normal soldering.
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