HomeEngineeringThe knocking tendency in spark ignition engines may be decreased by 12456. The knocking tendency in spark ignition engines may be decreased byBy Admin / September 13, 2025 controlling the air-fuel mixture controlling the ignition timing controlling the exhaust temperature reducing the compressi ✅ 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