WebMCQ: The word BOD refers to the Bidding of Dermatology Binding of Dirt Biochemical occupied Date Biochemical Oxygen demand MCQ: Fish die as a result of water pollution due to less BOD more tolerance range for oxygen narrow tolerance range for oxygen zero tolerance range for oxygen Download Free Apps Download O Level Biology App Web23 jul. 2024 · COD stands for ‘Chemical Oxygen Demand’ where BOD stands for Biochemical Oxygen Demand. It is a test of the amount of oxygen required to oxidise organic matter in a sewage sample by chemical oxidation with a powerful oxidising agent such Potassium Dichromate.
Wedding perks! Jamie Laing and Sophie Habboo
Web6 apr. 2024 · Measuring BOD gives the COD or Chemical Oxygen Demand of inorganic substances. It indicates the polluting potential of water. BOD is used in the medical and pharmaceutical industries to measure the oxygen consumption of cell cultures. Sources of BOD Sources that increase the Biological Oxygen Demand of water are both natural and … WebFor fresher water, as both BOD and COD should be negligible, hence the ratio can be equal to 1. Important points: The COD/BOD ratio for the different forms of waste water are as follows: COD/BOD <2 ⇒ Readily biodegradable effluent. 2 < COD/BOD < 4 ⇒ Moderately biodegradable effluent. COD/BO > 4: hardly biodegradable effluent maynard parker photographer
The cod-father: Swedish dad and his son reel in enormous 5ft …
Web14 okt. 2010 · COD is the most popular alternative test to BOD for establishing the concentration of organic matter in wastewater samples. The COD test only takes a few hours to complete, giving it a major advantage over the 5-day BOD test. Wastewater treatment system personnel can use COD as an almost real-time operational adjustment … Web16. BOD is: (a) A measure of the organic matter presents in water (b) Usually less than COD (c) Biochemical oxygen demand (d) All of the above. 17. BOD/COD ratio will always be: (a) Equal to 1 (b) Less than 1 (c) More than 1 (d) None of them. 18. Biochemical Oxygen Demand measures: (a) Industrial pollution (b) Air pollution (c) Pollution ... WebA. TOD>BOD>COD B. TOD>COD>BOD C. BOD>COD>TOD D. COD>BOD>TOD. Mcq Added by: admin. Environmental Engineering Environmental Engineering. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. Leave a Reply Cancel reply. Your email … hertz fishermans wharf