Mcq on bod and cod
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 … WebExplanation: BOD = [(D1-D2)-(B1-B2) f]/P. Where D1 is the dissolved oxygen of the diluted sample right after the preparation. D2 is the Dissolved Oxygen of the sample after …
Mcq on bod and cod
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WebBiochemical oxygen demand (BOD) is the amount of oxygen microorganisms require to break down organic materials. In contrast, chemical oxygen demand (COD) is the … Web7 jul. 2024 · The biochemical oxygen demand (BOD) represents the amount of dissolved oxygen (DO) consumed by biological organisms when they decompose …
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: … Web28 mrt. 2024 · BOD: It refers to Biochemical oxygen demand i.e. oxygen required to oxidise the Biodegradable organics. COD: It refers to the Chemical oxygen demand i.e. oxygen required to oxidise the …
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.
WebThis set of Applied Chemistry Multiple Choice Questions & 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 …
WebThe correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by_______________? A. … janet childs center for living with dyingWebRelational Database Design Multiple Choice Questions and Answers (MCQs), Boyce Codd Normal Form quiz questions for software engineering online courses. "Boyce Codd … janet childs and associates maryboroughIn environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured solution. It is commonly expressed in mass of oxygen consumed over volume of solution which in SI units is milligrams per litre (mg/L). A COD test can be used to easily quantify the amount of organics in water. The most common application of COD is in quantifying the amount of oxidizable pollutants found in surface … janet chung clothesWeb3 uur geleden · Wedding perks! Jamie Laing and Sophie Habboo appear to bag big day freebies as couple say 'I do' during first nuptials at Chelsea town hall. They looked every … janet chin md winfield oncologyWebReverse Osmosis, Ultrafilteration, COD and BOD GK Quiz. Question and Answers related to Reverse Osmosis, Ultrafilteration, COD and BOD Find more questions re... janet church freethorpeWeb9 uur geleden · The cod-father: Swedish dad and his son reel in enormous 5ft-long fish big enough to feed 35 off Norwegian island. Soren Nilsson and his son Anders caught cod … janet childs accountingWebThis set of Environmental Engineering Multiple Choice Questions & 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 … janet ceceres seattle