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 (C)</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 (B)</p> Signup and view all the answers

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

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

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

<p>Ground cable (A)</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. (C)</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. (B)</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. (C)</p> Signup and view all the answers

What does the number 60 represent in “6010”?

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

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

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

In what positions can an E6010 electrode be welded?

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

What is the most common polarity used for E7018?

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

Which welding current is typically better for overhead welding?

<p>DCEN (A)</p> Signup and view all the answers

What is the most common polarity used for E7018?

<p>DCEP (B)</p> Signup and view all the answers

What does the number 60 represent in '6010'?

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

What is the most common polarity used for E7018?

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

What causes an arc to deflect or bend?

<p>Magnetic field around the arc (B)</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 (C)</p> Signup and view all the answers

In what positions can an E6010 electrode be welded?

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

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