HomeEngineeringEnvironmental protection agencies advice against the use of chloro-fluoro-carbon refrigerants since 17608. Environmental protection agencies advice against the use of chloro-fluoro-carbon refrigerants sinceBy Admin / September 13, 2025 these react with water vapour and cause acid rain these react with plants and cause green-house effect these react with oxygen and cause its depletion these react with ozone ✅ 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