HomeEngineeringThe knocking in spark ignition engines can be reduced by 12670. The knocking in spark ignition engines can be reduced byBy Admin / September 13, 2025 retarding the spark increasing the engine speed both (a) and (b) none of these ✅ The correct answer is option C.
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