HomeEngineeringPreheating prior to welding is done for the purpose of 541. Preheating prior to welding is done for the purpose ofBy Admin / September 6, 2025 A. Decreasing cooling rate B. Facilitating fusion of high melting metals C. Preventing hot cracking D. Ensuring full penetration ✅ 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