Welding MCQ Questions and Answers Quiz

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

  1. Forge welding
  2. Spot welding
  3. Projection welding
  4. Seam welding

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

  1. Exhibit excellent strength characteristics equal to or even stronger than the base component
  2. Heavy in weight
  3. Economical
  4. Have a pleasing appearance

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

  1. Composition
  2. Area
  3. Thickness of weld
  4. Length of weld

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

  1. cast steel, iron, carbon steel, cast iron
  2. carbon steel, iron, cast steel, cast iron
  3. iron, carbon steel, cast steel, cast iron
  4. cast iron, iron, carbon steel, cast steel

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

  1. butt joint
  2. lap joint
  3. T-joint
  4. Corner joint

56. Which of the following is a weld joint?

  1. butt and lap joints
  2. T joints
  3. Corner joints and edge joints
  4. all of the above

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

  1. Arc welding and Laser beam welding
  2. Friction welding and Laser beam welding
  3. Friction welding and Ultrasonic welding
  4. Ultrasonic welding and Laser beam welding

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

  1. Arc welding
  2. Forge welding
  3. Resistance welding
  4. Thermit welding with pressure

59. In resistance welding, two electrodes are made of

  1. Aluminium
  2. Copper
  3. Iron
  4. Bronze

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

  1. 20-60V
  2. 60-100V
  3. 100-140V
  4. 140-180V

MCQ Multiple Choice Questions and Answers on Welding

Welding Question and Answer