Welding MCQ Multiple Choice Questions Answers - Page 2 for Practice

31. Which of the following processes do not use flux during welding?

32. Which of the following is not a resistance welding?

33. The resistance welding process suitable for welding ferrous and non-ferrous metals upto 8mm thickness is

34. Which of the following is false regarding welding process and its corresponding minimum thickness of plate material?

35. Which of the following welding process is used for welding of sheet metals in automobile and air craft industries?

36. Heat is created by the chemical reaction in

37. Which of the processes can be classified as solid state welding?

38. Which flame is suitable for welding of ferrous metals, Cu and Al alloys?

39. Which flame is suitable for cutting operations?

40. Which flame is suitable for welding of non ferrous metals (brasses and bronzes)?

41. Which flame is suitable for welding steel?

42. Which of the following is false regarding material to be welded and its corresponding welding process?

43. Which of the following is not true for gas welding?

44. Which of the welding processes utilize a non-consumable electrode?

45. Which of the following is an example of plastic welding?

46. Which of the following welding process uses non-consumable electrode?

47. Which of the following ray is not produced during welding?

48. In which of the following process, heat is created by blacksmith fire

49. Which of the following is not true in regard to welding joint?

50. The voltage needed in resistance welding does not depend upon

51. The metals having good weldability, in descending order are

52. Which of the following types is not fillet weld?

53. Which of the following is a weld joint?

54. Which of the processes can be classified as fusion welding?

55. Which of the following is an example of fusion welding?

56. In resistance welding, two electrodes are made of

57. In arc welding, arc initiation voltage is of the order

58. The temperature of arc in case of arc welding is

59. Single-V and single-U butt welds are used for sheets of thickness upto

60. Which of the gases can be used to form a protective envelope in arc welding?


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