The learner will demonstrate an understanding of FCAW electrodes and shielding gases.
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
All FCAW electrodes use an externally supplied shielding gas.
Correct Answer
False
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
All FCAW electrodes use an externally supplied shielding gas.
Your Answer
Correct Answer
False
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
What type of FCAW electrode is most commonly used for outdoor welding?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What type of FCAW electrode is most commonly used for outdoor welding?
Correct Answer
Self-shielded
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What type of FCAW electrode is most commonly used for outdoor welding?
Your Answer
Correct Answer
Self-shielded
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
The use of which shielding gas improves tensile strength, yield strength, and produces a sound weldment?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
The use of which shielding gas improves tensile strength, yield strength, and produces a sound weldment?
Correct Answer
Ar/CO2
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
The use of which shielding gas improves tensile strength, yield strength, and produces a sound weldment?
Your Answer
Correct Answer
Ar/CO2
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Which shielding gas will achieve deeper penetration, has a high ionization potential, and has harsh arc characteristics?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
Which shielding gas will achieve deeper penetration, has a high ionization potential, and has harsh arc characteristics?
Correct Answer
CO2
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
Which shielding gas will achieve deeper penetration, has a high ionization potential, and has harsh arc characteristics?
Your Answer
Correct Answer
CO2
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Which shielding gas may introduce carbon or deplete deoxidizers from weldments?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
Which shielding gas may introduce carbon or deplete deoxidizers from weldments?
Correct Answer
CO2
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
Which shielding gas may introduce carbon or deplete deoxidizers from weldments?
Your Answer
Correct Answer
CO2
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
What common deoxidizers might be found in the fluxes of mild steel FCAW electrodes?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What common deoxidizers might be found in the fluxes of mild steel FCAW electrodes?
Correct Answer
Manganese & silicon
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What common deoxidizers might be found in the fluxes of mild steel FCAW electrodes?
Your Answer
Correct Answer
Manganese & silicon
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What is the typical maximum allowable amount of argon in an Ar/CO2 mixture?
Correct Answer
80%
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What is the typical maximum allowable amount of argon in an Ar/CO2 mixture?
Your Answer
Correct Answer
80%
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
What gas provides better wetting characteristics, is easier to avoid undercut on vertical-up welds, and has better operator appeal?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What gas provides better wetting characteristics, is easier to avoid undercut on vertical-up welds, and has better operator appeal?
Correct Answer
Argon (combined with CO2)
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What gas provides better wetting characteristics, is easier to avoid undercut on vertical-up welds, and has better operator appeal?
Your Answer
Correct Answer
Argon (combined with CO2)
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
What type of shielding for stainless steels loses some deoxidizers but picks up a significant amount of nitrogen?
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What type of shielding for stainless steels loses some deoxidizers but picks up a significant amount of nitrogen?
Correct Answer
None
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What type of shielding for stainless steels loses some deoxidizers but picks up a significant amount of nitrogen?
Your Answer
Correct Answer
None
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What is the AWS specification for mild steel FCAW electrodes?
Correct Answer
A 5.20
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What is the AWS specification for mild steel FCAW electrodes?
Your Answer
Correct Answer
A 5.20
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Correct!
What is the AWS specification for stainless steel FCAW electrodes?
Correct Answer
A 5.22
Question 1 of 10
FCAW: Electrodes & Shielding Gases: Part 1 of 3
Incorrect
What is the AWS specification for stainless steel FCAW electrodes?
Your Answer
Correct Answer
A 5.22
Question 1 of 10
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- 3/2/2015
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- 3/2/2015
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FCAW: Electrodes & Shielding Gases: Part 1 of 3 by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.