HomeEngineeringFillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its 4530. Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve itsBy Admin / September 7, 2025 elasticity strength plasticity weathering characteristics ✅ The correct answer is option D.
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