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Mcq on bod and cod

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.

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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 https://gmtcinema.com

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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

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Mcq on bod and cod

33 Objective Type Questions (MCQs) with Answers on …

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Mcq on bod and cod

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Web11 okt. 2024 · COD is associated with BOD. COD, however, is the only method for measuring industrial pollutants in water, which cannot be quantified using BOD. COD is … Web6 apr. 2024 · Biochemical Oxygen Demand or alternatively termed as Biological Oxygen Demand (BOD) is the amount of oxygen needed or demanded by aerobic …

Web• The main difference between BOD and COD is that BOD is the amount of oxygen that is consumed by bacteria while decomposing organic matter under aerobic … Web5)Table 5 contains the BOD 5 and COD concentrations for raw wastewater, effluent from the treatment plant, and industrial wastewater and the BOD 5 /COD ratio. The BOD 5 values were found in the previous lab report. Sample COD (mg/L) BOD 5 (mg/L) BOD 5 /COD (mg/L) Raw Wastewater 716 219 30%. WWTP Effluent 19 5 26%. Industrial Wastewater. …

Web19 sep. 2024 · Concept of DO, BOD and COD. Sedimentation, coagulation, flocculation, filtration, pH and Redox potential (Eh). 4. Inorganic and organic components of soils. Biogeochemical cycles – nitrogen, carbon, phosphorus and sulphur. 5. Toxic chemicals: Pesticides and their classification and effects. WebThis set of Environmental Engineering Multiple Choice Questions &amp; Answers (MCQs) focuses on “Oxygen Demand”. 1. _____ is the amount of oxygen required to oxidize only organic matter in sewage. a) Turbidity b) BOD c) COD d) DO View Answer 2. The full …

WebThis set of Applied Chemistry Multiple Choice Questions &amp; Answers (MCQs) focuses on “Monitoring and Control of Water Pollution”. 1. ... COD c) BOD d) Turbidity View Answer. Answer: d Explanation: The turbidity of the water comes under the …

WebBOD: COD: BOD is a biological oxidation process : COD is a chemical oxidation process : BOD is performed by aerobic organisms : COD is performed by chemical … maynard parking structureWebReverse Osmosis, Ultrafilteration, COD and BOD GK Quiz. Question and Answers related to Reverse Osmosis, Ultrafilteration, COD and BOD Find more questions re... maynard o\\u0027connor smith and catalinottoWebLearn Pollution BOD and Eutrophication Multiple Choice Questions (MCQ), Pollution BOD and Eutrophication quiz answers PDF to study o level biology online course for o level … hertz five star vs president\\u0027s circleWebBiochemical oxygen demand (BOD) is the amount of oxygen microorganisms require to break down organic materials. In contrast, chemical oxygen demand (COD) is the … hertz five star locationsWebFor 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 … maynard outdoor store incWebRelational Database Design Multiple Choice Questions and Answers (MCQs), Boyce Codd Normal Form quiz questions for software engineering online courses. "Boyce Codd … hertz five dockWeb9 uur geleden · Soren Nilsson and his son Anders caught the gigantic cod during a fishing trip off Lofoten - an archipelago in Norway known for its stunning views of the northern lights, small villages and fishing. maynard outdoor store website