3.1 Briefly explain what is meant by the term arc blow. [5] 3.2 How can arc...

  

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3.1 Briefly explain what is meant by the term "arc blow". [5] 3.2 How can arc blow be minimized during (a) high current single arc DC welding; and (b) multiple arc welding (such as tandem welding)? [5] 3.1 Briefly explain what is meant by the term "arc blow". [5] 3.2 How can arc blow be minimized during (a) high current single arc DC welding; and (b) multiple arc welding (such as tandem welding)? [5]