A groove left in the face of a FCAW formed by excessive levels of dissolved gasses in the weld metal is
known as a _______________________________? - Worm track
FCAW is better than GMAW when welding dirty or rusty metal because the wire contains
____________________. - deoxidizers
FCAW-G indica...
FCAW EXAM A groove left in the face of a FCAW formed by excessive levels of dissolved gasses in the weld metal is known as a _______________________________? - Worm track FCAW is better than GMAW when welding dirty or rusty metal because the wire contains ____________________. - deoxidizers FCAW -G indicates what type of shielding? - Gas-shielded How are FCAW and GMAW similar? - They are both wire -fed processes. How can a welder prevent undercut when employing a weaving technique with FCAW? - Stopping momentarily at the end of each weaving motion. If you were going to FCAW weld outdoors what kind of wire would you use? - Self Shielding In FCAW, what are the two basic types of shielding? - Self shielding External shielding gas In FCAW, what does the flux inside the tubular wire do? - Provide shielding In the AWS electrode classification E71T -1M, the digit after the dash designates what? - Chemical composition. In the FCAW electrode classification E71T -1, the letter T indicates what? - Tubular electrode Included groove angle can be reduced __________ degrees when using FCAW. - 35 degrees Is external shielding gas essential for FCAW -S? - No Is the FCAW -G process recommended for use outdoors in windy conditions? - No Label the diagram - A. Gas nozzle B. Contact tube C. Slag D. Shielding gas E. Electrode AB. Metal powder AE. Depth of penetration Label the diagram - A. Solidified slag B. Molten slag C. Contact tube D. Tubular electrode E. Powdered flux AB. Shielding gas AC. Arc and metal transfer AD. Solidified weld metal AE. Weld pool Metal that can be twisted, bent and shaped without cracking is said to be ___________________? - Ductile Slag that becomes trapped in a weld is known as an ______________________________? - inclusion T or F
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