HomeEngineeringThe condilion for a lifting machine to be reversible is that its efficiency should be_________________? 20. The condilion for a lifting machine to be reversible is that its efficiency should be_________________?By Admin / September 7, 2025 A. less than 50% B. more than 50% C. more than 66.67% D. equal to 100% ✅ 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