Practice question

Before making a butt weld on steel practice plates, edge preparation is done mainly to:

  1. Guarantee zero heat input during welding
  2. Eliminate the need for any filler rod in every process
  3. Convert the joint automatically into a riveted connection
  4. Allow proper fusion through the joint thickness and produce a sound weld

Answer: D — Allow proper fusion through the joint thickness and produce a sound weld

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