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Flux-Cored Arc Welding (FCAW) Flashcards

6 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Flux-Cored Arc Welding (FCAW) flashcards as text

  1. The 'T-1' usability designation in FCAW electrode classification indicates the electrode is:

    Answer: A titania (rutile) slag system designed for high deposition, flat/horizontal positions

    T-1 designation electrodes have a titania (rutile) flux system optimized for high deposition rates in flat and horizontal positions, producing a smooth, easily-removable slag.

  2. What inspection should be performed between passes in a multi-pass FCAW weld?

    Answer: Slag removal and visual inspection of each bead before the next pass

    Between FCAW passes, all slag must be completely removed and each bead visually inspected for cracks, porosity, and proper fusion before depositing the next pass.

  3. The deposition rate of FCAW compared to SMAW is generally:

    Answer: Significantly higher, making FCAW more productive

    FCAW offers significantly higher deposition rates than SMAW because it is a semi-automatic process using continuous wire feed, with no electrode stub losses and minimal stop/start interruptions.

  4. What is the primary purpose of preheat when welding with FCAW on medium-carbon steel?

    Answer: To reduce the cooling rate and prevent hydrogen-induced cracking

    Preheat slows the cooling rate of the weld and HAZ, allowing hydrogen to diffuse out of the weld zone and reducing the risk of hydrogen-induced (cold) cracking.

  5. In FCAW, 'wire feed speed' primarily controls which welding parameter?

    Answer: Current (amperage)

    In FCAW using a CV (constant voltage) power source, wire feed speed directly controls the welding current — faster wire feed increases amperage.

  6. An FCAW welder notices excessive spatter during welding. The most likely causes include:

    Answer: Too low voltage and too high wire feed speed

    Excessive spatter in FCAW is commonly caused by voltage too low (short-circuiting conditions), wire feed speed too high (excess current), contaminated base metal, or arc instability.