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Welder Practice Test: Gas Metal Arc Welding
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Welder Practice Test: Gas Metal Arc Welding
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25 Questions

1. What protective equipment (PPE) is used to protect hand from burning injury?
2. Which is the only welding position in electro slag welding process?
3. What is the trouble shooting to wire wrapping on drive rolls of wire feeder in GMAW?
4. Which combination of shield gas in GMAW process produce good arc stability for carbon steel?
5. What is the electrode inclination to the metal surface in T-joint welding of 10 mm thickness metal by down hand position?
6. Which shielding gas is used in MIG welding?
7. Which is the operation to relieve residual stresses from the welding joint?
8. What is the temperature produced by chemical reaction in thermit welding?
9. What is the distinct differences between GMAW and FCAW equipments?
10. What is the name of welding process if the arc produced by a consumable metal electrode is protected by inert gas?
11. What defect will occur in the weld metal if the arc voltage and travel speed is low in MIG / MAG welding?
12. Which metal is welded with self shielded type FCAW?
13. Which type of electrodes are used in MAG/CO2 welding?
14. What is the name of the part marked as ‘X’ in the GMAW wire feed unit?
15. Where is electron beam generated, controlled and accelerated?
16. Which is the remedy for the contraction of weld metal due to excess of heat input that moves the base metal changes the angle?
17. Which welding process is done by chemical reaction between a metal oxide and metal?
18. Which welding process granulated flux is fed through hopper to the welding spot?
19. Which heat treatment process, if material is softened & suitable for machining?
20. Which is adjusted in electron beam welding to eliminate the defect of porosity?
21. What is the angle, marked as ‘X’ in the fillet weld shown?
22. Which type of apron is suitable to protect from heat and radiation during welding?
23. What is the operation to clean the cylinder valve before fixing the regulator to the argon cylinder?
24. How the welder observes welding area of the joint in electron beam welding?
25. What is the lens shade fitted in a helmet as per the recommendation of welding code for setting of 150 Amps for MMAW?

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