HomeEngineeringTetraethyl lead is added to the petrol to increase its octane number, because its octane number is 2598. Tetraethyl lead is added to the petrol to increase its octane number, because its octane number isBy Admin / September 7, 2025 more than 100 round about 100 between 50 and 100 less than 25 ✅ The correct answer is option A.
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