Welding MCQ Questions and Answers Quiz

61. 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

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

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

63. In resistance welding, two electrodes are made of

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

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

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

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

  1. 2000°C
  2. 2600°C
  3. 3000°C
  4. 3600°C

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

  1. 10mm
  2. 5-15mm
  3. 10-20mm
  4. 15-25mm
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MCQ Multiple Choice Questions and Answers on Welding

Welding Question and Answer

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