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Welder Practice Test: Resistance Welding
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Welder Practice Test: Resistance Welding
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25 Questions

1. What material is used to make electrode in spot welding ?
2. What is the angle of “Off Set tip” electrode used in spot welding ?
3. According to the joules law?
4. In which of the following welding operation the pieces are joined together by butt joint?
5. Which welding process spot welding is belonging?
6. Which welding process where a nugget is formed in the weld joint?
7. Which of the following is true about resistance welding?
8. Which resistance welding machine is provided with an electrode in wheel shape ?
9. Which of the following is true about electrodes?
10. Which electrode is movable in spot welding?
11. Which one of the following is the simplest type of resistance welding used in making lap welds?
12. The spot welding cycle, the time during which force is maintained to the work after the last impulse of current ends is called as _________?
13. The time required for electrodes to align and clamp the work piece together under them is known as?
14. The principle of resistance welding is the ________ law of heating ?
15. Which welding process effects weld joints under heavy pressure with current supply cut off ?
16. In which of the following operation embossing is required before welding?
17. In which of the following welding disc electrodes are used instead of the cylindrical electrode?
18. The example of plastic welding is ______?
19. In which of the following operation it is possible to weld more than one spot at a given time?
20. Which one is the resistance welding?
21. Which resistance welding process produces a bulge at weld joint?
22. The time that the welding current is applied to the work in making a weld in single impulse welding is called as____?
23. The spot formed between the interface of work piece when strong current and pressure is applied is known as?
24. What is the cause of nugget in spot welding process?
25. In which of the following welding process heat and pressure is applied on the joint but no filler material or flux is added?