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TIG plate welding exam Questions and Answers 100% Pass

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TIG plate welding exam Questions and Answers 100% Pass In GTAW, the arc temperature is around _____ Fahrenheit. - ANSWER-11,000 Which of the following is true of erosion of the tungsten electrode? - ANSWER-Slow erosion results in limited tungsten inclusions in the weld. Which of the following ...

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  • November 13, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
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EmilyCharlene
TIG plate welding exam Questions and
Answers 100% Pass

In GTAW, the arc temperature is around _____ Fahrenheit. - ANSWER✔✔-11,000


Which of the following is true of erosion of the tungsten electrode? - ANSWER✔✔-Slow

erosion results in limited tungsten inclusions in the weld.


Which of the following is a way to minimize erosion of the tungsten electrode? -

ANSWER✔✔-Use DCEN current


Which of the following is true of DCEN? - ANSWER✔✔-With DCEN, a pointed tip

concentrates the arc.


Which of the following is true of DCEP? - ANSWER✔✔-DCEP has the highest heat

concentration on the electrode tip.


Adding _____ has the same effect on the electrode characteristics as thorium, but it is

not radioactive. - ANSWER✔✔-Zirconium


______ electrodes have a current-carrying capacity similar to that of pure tungsten, and

may be used for both AC and DC welding currents. - ANSWER✔✔-Cerium tungsten




Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
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, Which of the following is true of grinding tungsten electrodes? - ANSWER✔✔-If the

grinder is used for the metals other than tungsten, particles of these metals may become

trapped on the tungsten as it is ground, resulting in contamination when the arc is

started.


Which of the following is true of breaking and remelting tungsten? - ANSWER✔✔-It

should be broken squarely


DCEP concentrates _____ of the arc heat on the plate, and _____ of the heat in the

electrode. - ANSWER✔✔-1/3, 2/3


DCEN concentrates about _____ of its welding heat on the work, and about ____ on the

tungsten. - ANSWER✔✔-2/3, 1/3


_____ results in welds with deep penetration, and a smaller-size tungsten can be used. -

ANSWER✔✔-DCEN


AC concentrates about _____ of its welding heat on the work and _____ on the tungsten.

- ANSWER✔✔-1/2, 1/2


Which of the following is an inert gas? - ANSWER✔✔-Helium


With ____, penetration and bead profile are sensitive to arc length, and the long arcs

needed for feeding filler wires are more difficult to control. - ANSWER✔✔-Helium




Copyright ©EMILYCHARLENE2025. ALL RIGHTS RESERVED
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