HomeEngineeringThe thermal efficiency of petrol and gas engines is about 11930. The thermal efficiency of petrol and gas engines is aboutBy Admin / September 8, 2025 15% 30% 50% 70% ✅ The correct answer is option B.
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