HomeEngineeringHigh purity nitrogen is used in 5221. High purity nitrogen is used inBy Admin / September 7, 2025 Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils Fire fighting purposes Both A & B Neither A nor B ✅ 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