Q. In which of the following welding processes we use two non-consumable electrodes?
✅ Correct Answer: (C)
atomic hydrogen
Explanation: non consumable electrodes are the ones that are not consumed during the process of welding. gtaw (gas tungsten arc welding)/tig (tungsten inert gas welding), ahw (atomic hydrogen welding), caw (carbon arc welding) processes use non-consumable electrodes.