The learner will demonstrate an understanding of FCAW electrodes and shielding gases.
Using 100% CO2 shielding gas for an FCAW electrode designed to run on a mixed shielding gas:
Using 100% CO2 shielding gas for an FCAW electrode designed to run on a mixed shielding gas:
Decreases tensile strength.
Using 100% CO2 shielding gas for an FCAW electrode designed to run on a mixed shielding gas:
Decreases tensile strength.
Which electrode is a gas-shielded stainless steel FCAW electrode?
E316LT-1
Which electrode is a gas-shielded stainless steel FCAW electrode?
E316LT-1
The last number "-1, -3, -4, -5" in a stainless steel electrode designates:
The last number "-1, -3, -4, -5" in a stainless steel electrode designates:
Shielding gas requirement
The last number "-1, -3, -4, -5" in a stainless steel electrode designates:
Shielding gas requirement
Using a blended shielding gas in an FCAW electrode designed to run on 100% CO2:
Using a blended shielding gas in an FCAW electrode designed to run on 100% CO2:
Increases tensile strength but decreases ductility.
Using a blended shielding gas in an FCAW electrode designed to run on 100% CO2:
Increases tensile strength but decreases ductility.
What does the "M" added to the E71T-1M classification mean?
What does the "M" added to the E71T-1M classification mean?
A mixed shielding gas of argon and carbon dioxide is required.
What does the "M" added to the E71T-1M classification mean?
A mixed shielding gas of argon and carbon dioxide is required.
Which letter addition does not belong when referring to stainless steel FCAW electrodes?
D
Which letter addition does not belong when referring to stainless steel FCAW electrodes?
D
FCAW electrodes designed to run on 100% CO2 have more deoxidizers added.
True
FCAW electrodes designed to run on 100% CO2 have more deoxidizers added.
True
The highest tensile strength obtained in FCAW electrodes is 70,000, as in E70T-1.
False
The highest tensile strength obtained in FCAW electrodes is 70,000, as in E70T-1.
False
What is generally the largest diameter FCAW electrode?
inch
Which letter addition does not belong when referring to FCAW low-alloy electrodes?
X
Which letter addition does not belong when referring to FCAW low-alloy electrodes?
X
What is generally the smallest diameter FCAW electrode?
What is generally the smallest diameter FCAW electrode?
0.035 inch
You have answered 5 of 10 questions correctly.
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