Joining of thin foils is preferred to be done by _____________________?
Correct answer: A. Microwaves
- A. Microwaves
- B. X-rays
- C. Gamma rays
- D. Gas welding
Explanation
Microwave welding is suitable for joining very thin foils because it can provide localized heating with limited distortion of the thin material. Gas welding supplies excessive heat and is less suitable for such delicate sections.
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