HomeEngineeringOzone is 5701. Ozone isBy Admin / September 7, 2025 A primary pollutant A secondary pollutant Impervious to ultra-violet rays Both B & 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