The learner will demonstrate knowledge of GMAW techniques by identifying fundamental terms.

GMAW: Fundamentals Set 1

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

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

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

Correct Answer

Short Circuiting

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

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

Your Answer

Correct Answer

Short Circuiting

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Question 1 of 10

GMAW: Fundamentals Set 1

_____________ is not suitable for all position welding.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

_____________ is not suitable for all position welding.

Correct Answer

Spray Transfer

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

_____________ is not suitable for all position welding.

Your Answer

Correct Answer

Spray Transfer

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Question 1 of 10

GMAW: Fundamentals Set 1

The short-circuiting electrode contacts the molten weld pool in the range of ________ times per second.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

The short-circuiting electrode contacts the molten weld pool in the range of ________ times per second.

Correct Answer

20 to over 200

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

The short-circuiting electrode contacts the molten weld pool in the range of ________ times per second.

Your Answer

Correct Answer

20 to over 200

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Question 1 of 10

GMAW: Fundamentals Set 1

With ___________, a globular transfer takes place when the current is relatively low, regardless of the type of shielding gas.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

With ___________, a globular transfer takes place when the current is relatively low, regardless of the type of shielding gas.

Correct Answer

electrode negative (DCEN)

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

With ___________, a globular transfer takes place when the current is relatively low, regardless of the type of shielding gas.

Your Answer

Correct Answer

electrode negative (DCEN)

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Question 1 of 10

GMAW: Fundamentals Set 1

Globular transfer is characterized by a drop size with a diameter _____________ than that of the electrode, which generally limits successful transfer to the flat position.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

Globular transfer is characterized by a drop size with a diameter _____________ than that of the electrode, which generally limits successful transfer to the flat position.

Correct Answer

greater

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

Globular transfer is characterized by a drop size with a diameter _____________ than that of the electrode, which generally limits successful transfer to the flat position.

Your Answer

Correct Answer

greater

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Question 1 of 10

GMAW: Fundamentals Set 1

If the arc length for globular transfer is too _______________ (low voltage), the enlarging drop may short to the workpiece, become superheated, and disintegrate, producing spatter.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

If the arc length for globular transfer is too _______________ (low voltage), the enlarging drop may short to the workpiece, become superheated, and disintegrate, producing spatter.

Correct Answer

short

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

If the arc length for globular transfer is too _______________ (low voltage), the enlarging drop may short to the workpiece, become superheated, and disintegrate, producing spatter.

Your Answer

Correct Answer

short

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Question 1 of 10

GMAW: Fundamentals Set 1

Spray transfer welding requires an _______________ shielding.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

Spray transfer welding requires an _______________ shielding.

Correct Answer

argon-rich

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

Spray transfer welding requires an _______________ shielding.

Your Answer

Correct Answer

argon-rich

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Question 1 of 10

GMAW: Fundamentals Set 1

In spray transfer mode, the ____________ droplets are smaller than the electrode diameter and spatter is negligible, if not totally eliminated.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

In spray transfer mode, the ____________ droplets are smaller than the electrode diameter and spatter is negligible, if not totally eliminated.

Correct Answer

molten

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Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

In spray transfer mode, the ____________ droplets are smaller than the electrode diameter and spatter is negligible, if not totally eliminated.

Your Answer

Correct Answer

molten

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Question 1 of 10

GMAW: Fundamentals Set 1

By reducing the average arc energy and the wire-melting rate, pulsing makes the desirable features of __________ transfer available for joining sheet metals and welding thick metals in all positions.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

By reducing the average arc energy and the wire-melting rate, pulsing makes the desirable features of __________ transfer available for joining sheet metals and welding thick metals in all positions.

Correct Answer

spray

 Next Question
Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

By reducing the average arc energy and the wire-melting rate, pulsing makes the desirable features of __________ transfer available for joining sheet metals and welding thick metals in all positions.

Your Answer

Correct Answer

spray

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Question 1 of 10

GMAW: Fundamentals Set 1

When all other variables are held constant, the welding amperage varies with the ______________.

Question 1 of 10

GMAW: Fundamentals Set 1

Correct!

When all other variables are held constant, the welding amperage varies with the ______________.

Correct Answer

wire feed speed

 Finish
Question 1 of 10

GMAW: Fundamentals Set 1

Incorrect

When all other variables are held constant, the welding amperage varies with the ______________.

Your Answer

Correct Answer

wire feed speed

 Finish
Question 1 of 10
GMAW: Fundamentals Set 1

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Question 1 of 10
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Published
4/15/2015
Last Updated
4/15/2015
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