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Welder Practice Test: Distortions In Gas Welding
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Welder Practice Test: Distortions In Gas Welding
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25 Questions

1. Using oil or grease on an oxygen regulator is likely to ________
2. Which type of joint is used for spot welding?
3. In which welding position the rate of filler metal deposition is more?
4. If weld metal solidifies before the gas entrapped in it can escape, the defect caused will be -
5. Acetylene is a fuel gas which produces a very high temperature flame with the help of oxygen. Which one of the following elements is available more in acetylene?
6. A cylinder which contains acetylene will be painted-
7. All commercially available electrodes contain deoxidizing metals. Which of the following is deoxidizing metal?
8. The best flame to gas weld a mild steel job is -
9. Which one of the defect is caused by low current in arc welding?
10. The main reason for back fire is ________________
11. What is the purpose of tacking?
12. Which gas is produced from calcium carbide?
13. The weld made from left to right is called __________________
14. Acetylene gas is composed of -
15. Why an oxidizing flame is most suitable to weld brass and bronze?
16. What kind of flame will you select to weld copper sheet by oxy-acetylene process?
17. What is the storage medium used to store acetylene gas in the cylinder at high pressure?
18. The Chemical formula for acetylene is ____________________
19. What type of flame do you select for bronze welding of cast iron?
20. What is the name of semi-circular deposit on the weld bead
21. Double 'V' butt joint is adopted for-
22. What does light, medium and heavy classification of steel pipes depend upon?
23. The tips of blow pipes are made of ______________
24. How would you prepare 25 mm low carbon steel flat bar for a butt weld?
25. What is the name of imaginary line passing through length wise in the weld centre?

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