Welding Discontinuities Quiz
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Questions and Answers

What should be done upon receipt of material to ensure its quality?

  • Assume the material is of acceptable condition
  • Immediately start cutting and preparation methods
  • Inspect the material to ensure its condition and type (correct)
  • Request Mill Certificates for material ordered

What is the purpose of requesting Mill Certificates for ordered material?

  • To save costs on material inspection
  • To avoid inspecting the material upon receipt
  • To expedite the material ordering process
  • To ensure the proper type and grade of material is received (correct)

What is the potential consequence of overlap in welds?

  • Improvement in welding parameters
  • Enhanced fusion with parent metal
  • Stress concentration under load (correct)
  • Reduction in effective throat of fillet welds

What are some probable causes of overlap in welds?

<p>Surface contaminants like oil, paint, rust, mill scale (D)</p> Signup and view all the answers

How is overlap in welds corrected?

<p>By grinding to remove the overlap and blending to achieve the desired weld profile (B)</p> Signup and view all the answers

What should always be requested to ensure the proper type and grade of material is received?

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

What is overlap in welds?

<p>A condition where the weld metal does not fuse to the parent metal (B)</p> Signup and view all the answers

What is the potential consequence of overlap in welds?

<p>Stress concentration under load (B)</p> Signup and view all the answers

What is the correct way to correct overlap in welds?

<p>Grinding to remove the overlap and blending (B)</p> Signup and view all the answers

What is the purpose of becoming familiar with code and procedure requirements ahead of time?

<p>To make educated decisions regarding cutting and preparation methods (D)</p> Signup and view all the answers

What are some probable causes of overlap in welds?

<p>Operator technique: incorrect work and travel angles (D)</p> Signup and view all the answers

What does overlap in fillet welds produce?

<p>Reduced effective throat (A)</p> Signup and view all the answers

What is the consequence of overlap in welds in relation to incomplete fusion?

<p>Overlap can mask incomplete fusion (B)</p> Signup and view all the answers

What is the recommended action if overlap occurs in welds?

<p>Review procedures and welding techniques to eliminate further overlap (A)</p> Signup and view all the answers

What is a potential initiation point for a crack in welds with overlap?

<p>Corrected overlap (D)</p> Signup and view all the answers

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