Arc length in arc welding should be equal to All Questions › Category: Basic Electrical › Arc length in arc welding should be equal to 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) Half the diameter of electrode rodb) Rod diameterc) Twice the rod diameterd) 2.5 times the rod diameter 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is Rod diameter