HomeEngineeringThe octane number of compressed natural gas (CNG) is 25. The octane number of compressed natural gas (CNG) isBy Admin / September 8, 2025 90 100 110 120 ✅ 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