The learner will demonstrate knowledge of fundamental skills in GMAW techniques.

GMAW: Fundamentals for Stainless Steel and Aluminum

Which type of metal transfer is limited to use on thin stainless steel?

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

Which type of metal transfer is limited to use on thin stainless steel?

Correct Answer

Short Circuiting

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

Which type of metal transfer is limited to use on thin stainless steel?

Your Answer

Correct Answer

Short Circuiting

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

___________ is not suitable for all position welding on stainless steel.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

___________ is not suitable for all position welding on stainless steel.

Correct Answer

Spray Transfer

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

___________ is not suitable for all position welding on stainless steel.

Your Answer

Correct Answer

Spray Transfer

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Spray transfer welding requires _____________ shielding.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

Spray transfer welding requires _____________ shielding.

Correct Answer

Argon-rich

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

Spray transfer welding requires _____________ shielding.

Your Answer

Correct Answer

Argon-rich

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Electrode orientation affects bead shape and penetration to a greater extent than arc voltage or ________________.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

Electrode orientation affects bead shape and penetration to a greater extent than arc voltage or ________________.

Correct Answer

Travel Speed

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

Electrode orientation affects bead shape and penetration to a greater extent than arc voltage or ________________.

Your Answer

Correct Answer

Travel Speed

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Spray transfer requires the use of direct current, a positive electrode (DCEP), and a current level above a critical value called the ____________ current.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

Spray transfer requires the use of direct current, a positive electrode (DCEP), and a current level above a critical value called the ____________ current.

Correct Answer

Transition

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

Spray transfer requires the use of direct current, a positive electrode (DCEP), and a current level above a critical value called the ____________ current.

Your Answer

Correct Answer

Transition

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Because the spray transfer drops are smaller than the arc length, _________________ don't occur and spatter is negligible, if not totally eliminated.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

Because the spray transfer drops are smaller than the arc length, _________________ don't occur and spatter is negligible, if not totally eliminated.

Correct Answer

short circuits

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

Because the spray transfer drops are smaller than the arc length, _________________ don't occur and spatter is negligible, if not totally eliminated.

Your Answer

Correct Answer

short circuits

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

When all other variables are held constant, an increase in welding current (wire feed speed) will result in all except ______________.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

When all other variables are held constant, an increase in welding current (wire feed speed) will result in all except ______________.

Correct Answer

A decrease in the depth and width of the weld penetration.

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

When all other variables are held constant, an increase in welding current (wire feed speed) will result in all except ______________.

Your Answer

Correct Answer

A decrease in the depth and width of the weld penetration.

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

The current and polarity selection for GMAW is ______________.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

The current and polarity selection for GMAW is ______________.

Correct Answer

DCEP

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

The current and polarity selection for GMAW is ______________.

Your Answer

Correct Answer

DCEP

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

With all variables held constant, arc voltage is directly related to ______________.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

With all variables held constant, arc voltage is directly related to ______________.

Correct Answer

Arc length

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

With all variables held constant, arc voltage is directly related to ______________.

Your Answer

Correct Answer

Arc length

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

A voltage increase tends to _____________ the weld bead and increase the width of the fusion zone.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

A voltage increase tends to _____________ the weld bead and increase the width of the fusion zone.

Correct Answer

Flatten

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

A voltage increase tends to _____________ the weld bead and increase the width of the fusion zone.

Your Answer

Correct Answer

Flatten

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Excessively high voltage may cause all except _____________.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

Excessively high voltage may cause all except _____________.

Correct Answer

Penetration

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

Excessively high voltage may cause all except _____________.

Your Answer

Correct Answer

Penetration

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

At _____________ travel speeds, the welding arc impinges on the molten weld pool, which reduces the effective penetration.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

At _____________ travel speeds, the welding arc impinges on the molten weld pool, which reduces the effective penetration.

Correct Answer

Very slow

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

At _____________ travel speeds, the welding arc impinges on the molten weld pool, which reduces the effective penetration.

Your Answer

Correct Answer

Very slow

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

For welding aluminum, which mode of metal transfer is preferred, even in all positions?

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

For welding aluminum, which mode of metal transfer is preferred, even in all positions?

Correct Answer

Spray

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

For welding aluminum, which mode of metal transfer is preferred, even in all positions?

Your Answer

Correct Answer

Spray

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

For some materials, such as aluminum, a ___________ technique is preferred.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

For some materials, such as aluminum, a ___________ technique is preferred.

Correct Answer

Forehand

 Next Question
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

For some materials, such as aluminum, a ___________ technique is preferred.

Your Answer

Correct Answer

Forehand

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Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

A prolonged temperature of 800 to 1600 degrees fahrenheit when welding stainless steel can cause ________________.

Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Correct!

A prolonged temperature of 800 to 1600 degrees fahrenheit when welding stainless steel can cause ________________.

Correct Answer

Carbide Precipitation

 Finish
Question 1 of 10

GMAW: Fundamentals for Stainless Steel and Aluminum

Incorrect

A prolonged temperature of 800 to 1600 degrees fahrenheit when welding stainless steel can cause ________________.

Your Answer

Correct Answer

Carbide Precipitation

 Finish
Question 1 of 10
GMAW: Fundamentals for Stainless Steel and Aluminum

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Published
4/15/2015
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4/15/2015
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GMAW: Fundamentals for Stainless Steel and Aluminum by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.