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Which of the following is not a type of arc welding?(a) Plasma(b) Electro-slag(c) Submerged(d) Air-acetylene |
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Answer» The correct choice is (d) Air-acetylene The explanation: Among the following, plasma arc, electro-slag and submerged arc are few of the types of arc welding. Air-acetylene is one of the forms of gas welding processes. |
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