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Welding Practice Test: Welding and Related Processes
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Avg score: 50% Most missed: “In fusion welding, welded pieces are kept together under pressure.”
Welding and Related Processes topics include: Weldability, arc welding equipment and methods, welding types, resistance welding methods, thermit and solid state welding, gas welding, oxygen cutting and oxy-acetylene welding. Welding is a broad process that can be divided into three groups: fusion welding, pressure welding, and brazing/soldering. Welding processes can also be classified into arc welding, resistance welding, and gas welding.  Here are some types of welding processes: Gas metal arc welding (GMAW/MIG): Also known as metal inert gas welding, this is a semi-automatic or... Show more
Welding Practice Test: Welding and Related Processes
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25 Questions

1. Which of the following is not a way of correcting the metal which does not have good weldability properties?
2. Slag used in fusion welding has nitrogen.
3. What is the temperature at the negative terminal in carbon arc welding?
4. Why is carbon used in carbon arc welding?
5. Thermite contains which metal?
6. What is the minimum strength of mild steel arc welds on addition of microelements in the slag?
7. Laser is classified under newer beam.
8. Which type of electrode is designed for melting quickly?
9. What is the minimum frequency used in ultrasonic welding?
10. What is the temperature at the positive terminal in carbon arc welding?
11. Which of the following types of fuel gas is commonly used in gas welding?
12. What is the flame temperature of hydrogen?
13. Which of the following materials are not suited for cold welding?
14. A thermit reaction produces heat up to what temperature?
15. In flash butt welding, the forced out metal is called flash.
16. Electric currents are passed is ultrasonic welding.
17. A welding torch is mainly used for mixing and burning the gases in the desired proportions.
18. The process of carbon arc welding is not used for which of the following material?
19. Slag used in fusion welding contains manganese.
20. The distance from the center of arc to the tip of electrode is called what?
21. Up to what amount of carbon content in steels, can they be treated by oxygen cutting?
22. What is the minimum power supply needed for the working of spot welding process?
23. Gas welding is mainly suited for welding of thin sheets, small diameter pipes and tubes.
24. At what temperature, does fusion welding takes place?
25. What does HAZ stand for?