The learner will demonstrate knowledge of shielding gases and consumables in GMAW techniques.
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
What shielding gas is preferred for welding spray transfer of stainless steel with GMAW but is not suitable for short-circuit transfer?
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
What shielding gas is preferred for welding spray transfer of stainless steel with GMAW but is not suitable for short-circuit transfer?
Correct Answer
Argon + O2
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
What shielding gas is preferred for welding spray transfer of stainless steel with GMAW but is not suitable for short-circuit transfer?
Your Answer
Correct Answer
Argon + O2
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
_____________ and argon are inert gases used to weld nonferrous metals and stainless steels.
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
_____________ and argon are inert gases used to weld nonferrous metals and stainless steels.
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
_____________ and argon are inert gases used to weld nonferrous metals and stainless steels.
Your Answer
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
A welding arc shielded by ___________ produces a deep, broad, parabolic weld bead.
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
A welding arc shielded by ___________ produces a deep, broad, parabolic weld bead.
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
A welding arc shielded by ___________ produces a deep, broad, parabolic weld bead.
Your Answer
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
An arc shielded by ______________ produces a bead profile characterized by a "finger" type penetration.
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
An arc shielded by ______________ produces a bead profile characterized by a "finger" type penetration.
Correct Answer
Argon
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
An arc shielded by ______________ produces a bead profile characterized by a "finger" type penetration.
Your Answer
Correct Answer
Argon
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
___________ has a higher ionization potential than Argon, and consequently, a higher arc voltage when other variables are held constant.
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
___________ has a higher ionization potential than Argon, and consequently, a higher arc voltage when other variables are held constant.
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
___________ has a higher ionization potential than Argon, and consequently, a higher arc voltage when other variables are held constant.
Your Answer
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
Which gas is the only one that provides true spray transfer?
Correct Answer
Argon
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
Which gas is the only one that provides true spray transfer?
Your Answer
Correct Answer
Argon
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
An arc that is __________ shielded produces more spatter and has rougher bead surfaces than argon shielded arcs.
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
An arc that is __________ shielded produces more spatter and has rougher bead surfaces than argon shielded arcs.
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
An arc that is __________ shielded produces more spatter and has rougher bead surfaces than argon shielded arcs.
Your Answer
Correct Answer
Helium
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
In addition to providing a protective environment, the shielding gas and flow rate do not have a pronounced effect on:
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
In addition to providing a protective environment, the shielding gas and flow rate do not have a pronounced effect on:
Correct Answer
bead width or weld leg size
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
In addition to providing a protective environment, the shielding gas and flow rate do not have a pronounced effect on:
Your Answer
Correct Answer
bead width or weld leg size
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
The physical differences between argon and helium are ____________, thermal conductivity, and arc characteristics.
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Correct!
The physical differences between argon and helium are ____________, thermal conductivity, and arc characteristics.
Correct Answer
density
Question 1 of 10
GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2
Incorrect
The physical differences between argon and helium are ____________, thermal conductivity, and arc characteristics.
Your Answer
Correct Answer
density
Question 1 of 10
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- Last Updated
- 7/30/2015
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GMAW: Shielding Gases and Consumables for Stainless Steel and Aluminum Set 2 by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.