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Welder Practice Test: Electric Arc Welding
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Welder Practice Test: Electric Arc Welding
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25 Questions

1. The supply voltage required for a welding transformer is -
2. The measure of charge is -
3. Which method of arc welding is used to control distortion?
4. The capacity of an arc welding machine is indicated by -
5. In atomic hydrogen welding a single phase AC arc is maintained between two ____________ ____ electrodes.
6. What is the use of pre-heating before welding cast iron?
7. What is the name of the last bit of an electrode discarded?
8. In an arc welding process, which of the following is the correct term used for the amount of weld metal deposit per minute?
9. When welding thin plates, distortion can be minimized by -
10. Which one of the welding machine is used to avoid arc blow?
11. The effect of arc blow is totally absent in _______________
12. The welding machine, which is used to convert AC welding supply to DC welding supply is -
13. Arc blow is caused by -
14. In DC welding heat distribution is possible between electrode and the base metal due to the change of polarity. The distribution of heat is -
15. Pre-heating a carbon steel manual metal arc welding is carried out to minimise the risk of -
16. Which one of the following is the cause for excessive spatter in arc welding?
17. What does the 3rd digit number '2' represent in the classification of electrode EB5426HIJX?
18. Slag inclusion may be present in ___________________
19. The size of the electrode suitable for welding 'T' fillet joint of 4 mm thick mild steel plate in arc welding is -
20. Mostly the arc blow happens during welding with -
21. In which type of arc welding machine, the parts of the primary winding is fixed in the arc welding machine?
22. One of the disadvantages of using DC for welding is __________
23. In what way arc blow can be prevented in arc welding?
24. The selection of an electrode diameter depends on ___________ of weld.
25. What should be the shade number of the filter class to be used for arc welding with 150 amps current?

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