HomeEngineeringWhich of the following is not a common refrigerant? 4594. Which of the following is not a common refrigerant?By Admin / September 7, 2025 A. Freon-12 B. Ethylene C. Ammonia D. Carbon dioxide ✅ 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