HomeEngineeringAs per I.S. 456 – 1978, the pH value of water shall be_______________? 2182. As per I.S. 456 – 1978, the pH value of water shall be_______________?By Admin / September 7, 2025 A. Less than 6 B. Equal to 6 C. Not less than 6 D. Equal to 7 ✅ 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