HomeEngineeringResearch octane number refers to the 2552. Research octane number refers to theBy Admin / September 7, 2025 low octane number motor fuels. high octane number motor fuels. high octane number aviation fuels. unleaded motor fuels. ✅ 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