HomeEngineeringThe operating pressure for refrigerating units using R-12 as a refrigerant is 14788. The operating pressure for refrigerating units using R-12 as a refrigerant isBy Admin / September 13, 2025 2 bar 8 bar 15 bar 30 bar ✅ 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