Dive into the world of Welding with our comprehensive collection of multiple-choice questions and answers. Whether you're a student studying metallurgy, a technician working with metal fabrication, or simply interested in the art of joining metals, our meticulously curated selection covers a wide range of topics. Explore fundamental concepts such as welding processes, welding equipment, weld defects, and practical applications in construction, automotive, and manufacturing industries. With our user-friendly interface and detailed explanations, mastering the intricacies of welding has never been more engaging and accessible. Start your journey towards understanding this essential manufacturing technique today!
1. In a gas cut plate, the cut shows grooves and has deep drag lines. This is due to
2. One of the functions of electrode coating is
3. In an acetylene cylinder, the acetylene is dissolved in
4. Which one of the following is a temporary joint?
5. In fusion welding, penetration is the ratio of
6. Which of the following joint have high corrosion resistance?
7. Which of the following is a design recommendation for welding?
8. Which of the following processes do not use flux during welding?
9. Which of the following is not a resistance welding?
10. The resistance welding process suitable for welding ferrous and non-ferrous metals upto 8mm thickness is
11. Which of the following is false regarding welding process and its corresponding minimum thickness of plate material?
12. Which of the following welding process is used for welding of sheet metals in automobile and air craft industries?
13. Heat is created by the chemical reaction in
14. Which of the processes can be classified as solid state welding?
15. Which flame is suitable for welding of ferrous metals, Cu and Al alloys?
16. Which flame is suitable for cutting operations?
17. Which flame is suitable for welding of non ferrous metals (brasses and bronzes)?
18. Which flame is suitable for welding steel?
19. Which of the following is false regarding material to be welded and its corresponding welding process?
20. Which of the following is not true for gas welding?
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?
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
41. The electrode size refers to
42. The top edge is melted round and the cut face is not smooth in gas cutting. This is due to
43. The position in which it is easiest to weld is
44. Which type of fire extinguisher is used in a welding shop?
45. If a worker has suffered from electric shock, he should be
46. The arc utilized in electric arc welding is a
47. The size of a welding machine is determined by
48. If L (mm) is the length of the inner cone of the flame, the tip-to-metal distance should be
49. In a gas cut plate, the cut is high quality although there is some surface roughness caused by vertical drag lines. This is due to
50. The welding machine, which is used to convert AC welding supply to DC welding supply is
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