Flash butt welding is All Questions › Category: Basic Electrical › Flash butt welding is 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) Gas weldingb) Arc welding with straight polarityc) Arc welding with reverse polarityd) Resistance welding 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is Resistance welding