All Exams Test series for 1 year @ ₹349 only
Question

COD stands for:

The correct answer is Chemical Oxygen Demand

Chemical Oxygen Demand (COD) Explained

The question asks for the full form of the acronym COD. Acronyms are often used as abbreviations for technical terms.

Let's look at the provided options:

  • Chlorine Oxygen Demand
  • Calcium Oxygen Demand
  • Clean Oxygen Demand
  • Chemical Oxygen Demand

The correct full form for COD in environmental science and water quality testing is Chemical Oxygen Demand.

Chemical Oxygen Demand (COD) is a measure of the total quantity of oxygen required to oxidize all organic and inorganic substances in a water sample. It is widely used to measure the amount of pollution in water bodies, wastewater, and industrial effluents.

Therefore, the acronym COD stands for Chemical Oxygen Demand.

Was this answer helpful?

Important Questions from Quality and Characteristics of Sewage

  1. Conventionally, the biochemical oxygen demand (BOD) is measured for _______ days.

  2. Identify the correct relation from the following:

    Where BOD, COD, and TOD are Biochemical, Chemical, and Theoretical oxygen demand, respectively.

  3. What is the correct range of \(\frac{{BO{D_u}}}{{COD}}\) for a waste water to be considered as fully biodegradable?

    (where BODu = ultimate Bio-chemical oxygen  demand and COD = chemical oxygen demand)

  4. Determine ultimate BOD for sewage having 5-day BOD at 20°C as 180 ppm. Assume the de-oxygenation constant as 0.8 per day.

  5. What does Chemical Oxygen Demand (COD) indicate?

Need Expert Advice?

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App