HomeEngineeringMain constituent of cotton fibre is 4540. Main constituent of cotton fibre isBy Admin / September 7, 2025 lignin cellulose starch gelatine ✅ 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