HomeEngineeringWhich of the following is not a source of ozone emission in the atmosphere? 5870. Which of the following is not a source of ozone emission in the atmosphere?By Admin / September 7, 2025 Refrigerators Xerox machines Dermatological photo-therapy equipments High voltage electrical equipments ✅ The correct answer is option A.
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