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Welder Practice Test: Metal Joining Method
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Welder Practice Test: Metal Joining Method
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25 Questions

1. The diluted hydrochloric acid is used as flux for the soldering of ---------
2. A non corrosive flux for soldering is -----------
3. the melting temperature of hard solder is -------
4. --------- is done first in soldering.
5. Brass is an alloy of --------
6. Selection of specific welding process depends on ------
7. There are -------- type of standard weld joint.
8. Which of the following is used as flux ?
9. The metals are brought in to molten stage in –
10. A good acidic flux for the soldering of zinc and galvanized iron is---------
11. How many types of metal joining are there?
12. Copper is used as soldering iron because .
13. The melting point of shelter is ----------
14. Which of the following joint have high corrosion resistance .
15. Brazing joint is --------
16. Brazing is known as ----------
17. The flux used for the soldering of stainless steel is ----
18. soft solder is a mixer of ----------
19. The ratio of lead and tin in soft solder is –
20. Which component is used to spread the shelter along the entire length of joint?
21. A flux has the ability to dissolve –
22. The weight of an electrode holder should be with in –
23. Which is the ancient method of joining metals permanently?
24. The welding cable is made out of ---------
25. Soldering joint is ----------

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