HomeEngineeringThe operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called 11660. The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is calledBy Admin / September 8, 2025 shearing piercing punching blanking ✅ The correct answer is option C.
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