Welding MCQ Questions and Answers Quiz

41. Which flame is suitable for cutting operations?

  1. Oxidising flame
  2. Carburising flame
  3. Neutral flame
  4. None of the above

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

  1. Oxidising flame
  2. Carburising flame
  3. Neutral flame
  4. None of the above

43. Which flame is suitable for welding steel?

  1. Oxidising flame
  2. Carburising flame
  3. Neutral flame
  4. None of the above

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

  1. high-carbon steel - shielded-metal arc, flux-cored arc, and submerged arc welding
  2. higher-alloy steels - GMAW and GTAW welding
  3. Stainless steel - GTAW, GMAW and shielded-metal arc welding
  4. Aluminium alloys - GMAW or GTAW process

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

  1. Heat effected zone and distortion are less as compare to arc welding
  2. It is suitable for thin sheets
  3. It is slower than arc welding
  4. There are safety problems in storing and handling the gases

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

  1. Gas-tungsten Arc and Plasma Arc
  2. Plasma Arc and Shielded Metal Arc
  3. Shielded Metal Arc and Gas-Metal Arc
  4. Gas-Metal Arc and Plasma Arc

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

  1. Gas welding
  2. Arc welding
  3. Forge welding
  4. Thermit welding

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

  1. Gas tungsten arc welding (TIG)
  2. Shielded metal arc welding
  3. CO2 shielded welding
  4. Gas metal arc welding (MIG)

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

  1. Gamma rays
  2. Visible light rays
  3. Infrared ray
  4. Ultra violet rays

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

  1. Forge welding
  2. Spot welding
  3. Projection welding
  4. Seam welding
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MCQ Multiple Choice Questions and Answers on Welding

Welding Question and Answer