HomeEngineeringThe freezing point of R-12 is 12074. The freezing point of R-12 isBy Admin / September 13, 2025 -86.6°C -95.2°C -107.7°C -135.8°C ✅ 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