
GTAW Process Overview Quiz
Authored by matt mcclure
Other
12th Grade
DOK Level 3: Strategic Thinking covered
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Explain how the choice of tungsten electrode affects the quality of the weld in the GTAW process.
The choice of tungsten electrode does not affect the quality of the weld.
The choice of tungsten electrode affects the arc stability and contamination resistance.
The choice of tungsten electrode only affects the color of the weld.
The choice of tungsten electrode affects the speed of the welding process.
Tags
DOK Level 3: Strategic Thinking
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Given a scenario where a welder is experiencing frequent arc instability, what steps should be taken to troubleshoot and resolve the issue?
Increase the welding current without changing any other parameters.
Check the condition and type of tungsten electrode, and ensure proper gas flow.
Change the base material being welded.
Ignore the instability as it will resolve on its own.
Tags
DOK Level 3: Strategic Thinking
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Analyze the impact of shielding gas selection on the GTAW process and propose a solution for welding aluminum.
Use pure oxygen as the shielding gas.
Use pure argon or a mixture of argon and helium.
Use carbon dioxide as the shielding gas.
Use nitrogen as the shielding gas.
Tags
DOK Level 3: Strategic Thinking
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Evaluate the reasons why GTAW is preferred for welding thin materials and provide a detailed explanation.
GTAW is preferred because it is the fastest welding process.
GTAW is preferred because it provides precise control over heat input and produces high-quality welds.
GTAW is preferred because it requires less skill from the welder.
GTAW is preferred because it uses the least amount of shielding gas.
Tags
DOK Level 3: Strategic Thinking
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Design a plan for setting up a GTAW workstation, considering safety, equipment, and material preparation.
Place the welding machine in a random location and start welding.
Ensure proper ventilation, organize equipment, and clean the base materials before welding.
Use any available space without considering safety.
Only focus on the cleanliness of the base materials.
Tags
DOK Level 3: Strategic Thinking
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Critically assess the advantages and disadvantages of using AC versus DC current in the GTAW process for different materials.
AC is always better than DC for all materials.
DC is always better than AC for all materials.
AC is preferred for aluminum and magnesium, while DC is preferred for steel and stainless steel.
Both AC and DC have no significant impact on the welding process.
Tags
DOK Level 3: Strategic Thinking
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Formulate a strategy to minimize weld defects such as porosity and cracking in the GTAW process.
Increase the welding speed to avoid defects.
Ensure proper cleaning of base materials, use appropriate shielding gas, and control heat input.
Use any type of shielding gas available.
Ignore the defects as they are unavoidable.
Tags
DOK Level 3: Strategic Thinking
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