Welding Multiple Choice Questions and Answers

21. 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

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

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

23. 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)

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

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

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

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

26. 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

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

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

28. 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

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

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

30. 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