Welding suitable for joining non-ferrous metals - D.C. Arc welding - Manufacturing Processes - 1

Q.  Which type of arc welding is suitable for joining non-ferrous metals?
- Published on 03 Aug 15

a. D.C. Arc welding
b. A.C. Arc welding
c. Both D.C. As well as A.C. Arc welding
d. None of the above

ANSWER: D.C. Arc welding

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    Discussion

  • Pankaj   -Posted on 02 Nov 15
    - Non-ferrous metals cannot be joined by A.C. arc welding due to change in polarity.

    - Therefore, only D.C. arc welding is suitable for joining non-ferrous metals.

    - But the D.C. Arc welding has a phenomenon called arc blow in which wandering of arc occurs.

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