21. Which of the welding processes utilize a non-consumable electrode?
22. Which of the following is an example of plastic welding?
23. Which of the following welding process uses non-consumable electrode?
24. Which of the following ray is not produced during welding?
25. In which of the following process, heat is created by blacksmith fire
26. Which of the following is not true in regard to welding joint?
27. The voltage needed in resistance welding does not depend upon
28. The metals having good weldability, in descending order are
29. Which of the following types is not fillet weld?
30. Which of the following is a weld joint?
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