Intro FCAW

Which two alloying elements are added to the FCAW electrodes to stabilize the arc?

• Potassium, sodium

• Silicon, molybdenum

• Titanium, carbon

• Calcium, nickel

Which two alloying elements are added to the FCAW electrodes to stabilize the arc?

• Potassium, sodium

• Silicon, molybdenum

• Titanium, carbon

• Calcium, nickel

FCAW-S electrodes do not require a(n) ____.

• Power source

• Wire feeder

• Work clamp

• External shielding gas

In the AWS classification of an FCAW electrode, the designator after the T describes the ___

• Electrode

• Usability characteristics

• Tensile strength

• Welding position

An advantage to using FCAW-S versus FCAW-G is ___

• Arc transfer

• Portability

• Smoke and fumes

• Melt off

A weld flaw significant enough to render the weld rejectable is a(n) ___

• Defect

• Penetration

• Discontinuity

• Inconsistency

The basic design of an FCAW setup includes which four principal components?

• CC power source, wire drive, FCAW gun and shielding gas flow meter

• CV power source, water cooler, FCAW gun and shielding gas

• CV power source, wire drive, FCAW gun and shielding gas flow gauge

• CC power source, wire drive, spool gun and shielding gas hoses

In the FCAW process, as voltage increases, arc length gets longer and results in the arc cone becoming ___

• Shorter

• Narrower

• Stable

• Wider

The welder’s ability to weld a long distance and maintain comfort refers to ___

• Fume plume

• Bracing

• Arc length

• Range of motion

The ability of metal to resist forces attempting to pull it apart or stretch it is called ___

• Tensile strength

• Shear strength

• Ductility

• Brittleness