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Welding Practice Test: Welding and Related Processes
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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. On which of the following factor, does weldability not depend?
2. Which gas is used for the removal of oxygen layer formed on molten iron?
3. What is the current required in an Oxygen’s INDARC 400 (S) transformer?
4. For what thickness of a material, in an oxy-acetylene is a welding rod used?
5. A liquid phase has to be used in cold welding.
6. A flashback is a condition in gas welding, when the pure methane gas is used as fuel gas instead of acetylene.
7. Which of the following is not a way of correcting the metal which does not have good weldability properties?
8. What amount of electricity gets converted into heat energy in an arc welding process?
9. Cast irons are best treated using oxygen cutting process.
10. Thermit welding is used for making rail tracks.
11. Which bead character is seen due to too high welding current?
12. What is the temperature of the negative electrode in metal arc welding?
13. Which type of electrode is designed for melting quickly?
14. What is the minimum strength of mild steel arc welds on addition of microelements in the slag?
15. What is the flame temperature of acetylene?
16. The distance from the center of arc to the tip of electrode is called what?
17. Which effect is not seen in alloys on weldability?
18. The presence of arc blower makes good quality welds.
19. A thermit reaction produces heat up to what temperature?
20. Electric currents are passed is ultrasonic welding.
21. Which of the following is not a type of related processes?
22. In gas welding, the hoses are mainly used for making the connection between gas torch and regulators.
23. Acetylene is a non-toxic gas which can be kept or stored in a cylinder at any pressure.
24. Arc welding machine uses only D.C. supply.
25. Thermite contains which metal?