HomeEngineeringPresence of iron and manganese in water causes 5852. Presence of iron and manganese in water causesBy Admin / September 7, 2025 Reduction in its dissolved oxygen content Discoloration of bathroom fixtures Temporary hardness None of these ✅ 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