HomeEngineeringThe operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating. 11955. The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.By Admin / September 8, 2025 Agree Disagree ✅ 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