HomeEngineering5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________? 579. 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________?By Admin / September 7, 2025 A. 0°C B. 15°C C. 20°C D. 25°C ✅ The correct answer is option C.
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