Q.

During carbon arc welding, if electrode is connected to positive

  • AArc will be dull
  • BArc will not strike
  • CMetal will not melt
  • DCarbon will have tendency to go into the weld joint
Correct Answer : (D)

Carbon will have tendency to go into the weld joint

Hints :

During carbon arc welding, if electrode is connected to positive Carbon will have tendency to go into the weld joint.

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