HomeEngineeringPiercing is an operation of cutting 15041. Piercing is an operation of cuttingBy Admin / September 13, 2025 a cylindrical hole in a sheet of metal by the punch and the die a hole (other than cylindrical) in a sheet of metal by the punch and the die a flat sheet to the desired shape a number of holes even ✅ The correct answer is option B.
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