HomeEngineeringWhich is not a refrigerant? 4213. Which is not a refrigerant?By Admin / September 7, 2025 A. SO₂ B. NH₃ C. CCl₂F₂ D. C₂H₄Cl₂ ✅ 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