31. Which of the processes can be classified as fusion welding?
32. Which of the following is an example of fusion welding?
33. In resistance welding, two electrodes are made of
34. In arc welding, arc initiation voltage is of the order
35. The temperature of arc in case of arc welding is
36. Single-V and single-U butt welds are used for sheets of thickness upto
37. The electrodes are manufactured in two standard lengths namely
38. Which fuel gas is used for cutting deep under water?
39. While gas cutting the nozzle should
40. If the blowpipe is moved to and fro frequently while cutting the kerf will
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