HomeEngineeringThe average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 5668. The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).By Admin / September 7, 2025 20 230 750 1500 ✅ 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