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GTAW (TIG) Questions and Answers 100% Pass
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GTAW (TIG) Questions and Answers 100% Pass What is the ideal angle for the TIG torch when welding thin materials? The ideal angle for the TIG torch on thin materials is typically around 15 to 20 degrees to ensure even heat distribution. How does using a larger tungsten electrode affect t...

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  • October 24, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • gtaw tig questions and answers 100 pass

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GTAW (TIG) Questions and Answers
100% Pass
What is the ideal angle for the TIG torch when welding thin materials?


✔✔The ideal angle for the TIG torch on thin materials is typically around 15 to 20 degrees to

ensure even heat distribution.




How does using a larger tungsten electrode affect the welding process?


✔✔Using a larger tungsten electrode can increase heat input and stability but may require

adjustments to arc length and travel speed.




Why is it crucial to select the right gas for GTAW?


✔✔Selecting the right gas, such as argon or helium, is crucial for effective shielding, which

prevents contamination and enhances the quality of the weld.




What effect does material thickness have on TIG welding settings?


✔✔Material thickness dictates adjustments in amperage and travel speed to achieve proper

penetration and avoid burn-through.




1

, How can a welder achieve a tight arc for precision welding?


✔✔A welder can achieve a tight arc by minimizing the arc length and maintaining a steady hand,

which results in better control over the weld pool.




What is the impact of using DCEN vs. DCEP in TIG welding?


✔✔Using DCEN (Direct Current Electrode Negative) generally provides deeper penetration,

while DCEP (Direct Current Electrode Positive) is used for specific applications like aluminum.




How can the welder ensure cleanliness during the GTAW process?


✔✔The welder should use appropriate cleaning methods, such as wire brushing or solvent

cleaning, to remove impurities from the base metal before welding.




What role does the flow meter play in GTAW?


✔✔The flow meter regulates the gas flow rate, ensuring consistent shielding throughout the

welding process to protect the weld pool.




How does heat affect the choice of filler material in TIG welding?


✔✔The heat of the weld influences the filler material choice; higher temperatures may require

fillers that can withstand greater thermal stress.

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