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WLD 107: TIG Final Exam Questions and Answers 100% Pass $11.49   Add to cart

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WLD 107: TIG Final Exam Questions and Answers 100% Pass

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WLD 107: TIG Final Exam Questions and Answers 100% Pass Filler metals for GTAW use the same classification system as filler metals used for GMAW. - ANSWER-True Filler metal is necessary on all welds made with the GTAW process. - ANSWER- False DCEP allows deeper penetration than DCEN. - ANSWER...

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  • November 13, 2024
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  • 2024/2025
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EmilyCharlene
WLD 107: TIG Final Exam Questions
and Answers 100% Pass

Filler metals for GTAW use the same classification system as filler metals used for

GMAW. - ANSWER✔✔-True


Filler metal is necessary on all welds made with the GTAW process. - ANSWER✔✔-

False


DCEP allows deeper penetration than DCEN. - ANSWER✔✔-False


A remote current control allows the welder to adjust current while welding. -

ANSWER✔✔-True


Postflow is the flow of shielding gas after the arc is extinguished. - ANSWER✔✔-True


The chemical symbol for tungsten is W. - ANSWER✔✔-True


When welding with DCEN, the electrode is positive and the work is negative. -

ANSWER✔✔-True


Alloyed tungsten electrodes last longer and have a higher current capacity than pure

tungsten electrodes. - ANSWER✔✔-True




Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
Page 1/5

, For thin materials, the diameter of the filler metal should equal the thickness of the

metal to be welded or should be slightly smaller. - ANSWER✔✔-True


The addition of helium to argon shielding gas improves penetration. - ANSWER✔✔-

True


Filler metals for oxyacetylene can be used for GTAW as long as they are copper-coated.

- ANSWER✔✔-True


The GTAW process uses a nonconsumable tungsten electrode to supply welding

current to the workpiece. - ANSWER✔✔-True


GTAW requires a constant-current welding power source capable of producing direct

current, alternating current, and high frequency. - ANSWER✔✔-True


Argon is the most commonly used as a shielding gas in the GTAW process. -

ANSWER✔✔-True


The amount of electrode stickout is determined by the type of weld joint. -

ANSWER✔✔-True


The filler metal used should have the same composition as the base metal. -

ANSWER✔✔-True


Shielding gas is not required after the arc is extinguished. - ANSWER✔✔-False




Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
Page 2/5

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