HomeEngineeringIn welding copper alloys with TIG arc welding 17945. In welding copper alloys with TIG arc weldingBy Admin / September 14, 2025 direct current with straight polarity is used direct current with reversed polarity is used alternating current is used any one of these ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin