SMAW Welding Quiz
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Questions and Answers

What does the letter “M” stand for in SMAW?

  • Melted
  • Manual
  • Magnetic
  • Metal (correct)

    • What is a satisfactory duty cycle for SMAW?

  • 50%
  • 100%
  • 80% (correct)
  • 10%

    • What is another term for 'workpiece lead cable' in SMAW?

  • Ground cable (correct)
  • Negative cable
  • Positive cable
  • Electrode holder

    • Is it easier to start an arc with AC or DC in SMAW?

    <p>DC</p> Signup and view all the answers

    What does the term 'constant current' mean in welding?

    <p>A type of welding power source that provides a stable current output</p> Signup and view all the answers

    What is a satisfactory duty cycle for Shielded Metal Arc Welding (SMAW)?

    <p>75%</p> Signup and view all the answers

    What is another term for 'workpiece lead cable' in the context of welding?

    <p>Ground cable</p> Signup and view all the answers

    What effect does the absence of flux covering on the electrode have on the weld?

    <p>The weld will have inadequate protection from contaminants and may result in porosity.</p> Signup and view all the answers

    How does the absence of flux covering affect the stability of the arc during welding?

    <p>The absence of flux covering may cause instability in the arc during welding.</p> Signup and view all the answers

    What is the consequence of using an electrode without flux covering in terms of slag formation?

    <p>Inadequate flux covering leads to insufficient slag formation and removal, affecting the quality of the weld.</p> Signup and view all the answers

    What does the number 60 represent in “6010”?

    <p>Electrode type</p> Signup and view all the answers

    Why are E6010 electrodes often used to make the root pass?

    <p>Deep penetration</p> Signup and view all the answers

    In what positions can an E6010 electrode be welded?

    <p>All positions</p> Signup and view all the answers

    What is the most common polarity used for E7018?

    <p>DCEN (Direct Current Electrode Negative)</p> Signup and view all the answers

    At what temperature should a rod oven be held for proper storage of E7018 electrodes?

    <p>500°F (260°C)</p> Signup and view all the answers

    What is the consequence of using an electrode without flux covering in terms of slag formation?

    <p>Excessive slag formation</p> Signup and view all the answers

    Which type of current is generally considered easier to start an arc with in Shielded Metal Arc Welding (SMAW)?

    <p>AC</p> Signup and view all the answers

    What is the consequence of using an electrode without flux covering in terms of slag formation during welding?

    <p>Increased slag formation</p> Signup and view all the answers

    What does the letter 'M' stand for in the context of Shielded Metal Arc Welding (SMAW)?

    <p>Manual</p> Signup and view all the answers

    In Shielded Metal Arc Welding (SMAW), which type of current is generally considered easier to start an arc with?

    <p>Alternating Current (AC)</p> Signup and view all the answers

    What is the consequence of using an electrode without flux covering in terms of slag formation during welding?

    <p>Thick and porous slag</p> Signup and view all the answers

    What does the letter 'M' stand for in the context of Shielded Metal Arc Welding (SMAW)?

    <p>Manual</p> Signup and view all the answers

    Which welding current is typically better for overhead welding?

    <p>DCEN</p> Signup and view all the answers

    What is the most common polarity used for E7018?

    <p>DCEP</p> Signup and view all the answers

    What does the number 60 represent in '6010'?

    <p>Flux type</p> Signup and view all the answers

    Where should the arc be when the travel speed is properly adjusted?

    <p>Consistently ahead of the weld pool</p> Signup and view all the answers

    What is the most common polarity used for E7018?

    <p>DCEN (Direct Current Electrode Negative)</p> Signup and view all the answers

    What does the number 60 represent in '6010'?

    <p>Tensile strength in thousands of pounds per square inch</p> Signup and view all the answers

    What causes an arc to deflect or bend?

    <p>Magnetic field around the arc</p> Signup and view all the answers

    Why must an electrode be broken free quickly when it sticks to the workpiece?

    <p>To maintain proper arc length</p> Signup and view all the answers

    In what positions can an E6010 electrode be welded?

    <p>Flat, horizontal, vertical, and overhead positions</p> Signup and view all the answers

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