HomeEngineeringThe equation DU = Tds – PdV is applicable to infinitesimal changes occuring in 4449. The equation DU = Tds – PdV is applicable to infinitesimal changes occuring inBy Admin / September 7, 2025 A. An open system of constant composition B. A closed system of constant composition C. An open system with changes in composition D. A closed system with changes in composition ✅ 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