HomeEngineeringA machine having an efficiency greater than 50%, is known as 15209. A machine having an efficiency greater than 50%, is known asBy Admin / September 13, 2025 reversible machine non-reversible machine neither reversible nor non-reversible machine ideal machine ✅ 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