Podcast
Questions and Answers
What is water pollution primarily caused by?
What is water pollution primarily caused by?
- Climatic changes
- Geological processes
- Human activities (correct)
- Natural changes in the composition of water
What is the definition of water pollution?
What is the definition of water pollution?
- The loss of beneficial uses of water due to human activity (correct)
- The preservation of natural environment
- The conservation of water bodies
- The removal of beneficial uses of water
What is the result of introducing contaminants into the natural environment in excess concentrations?
What is the result of introducing contaminants into the natural environment in excess concentrations?
- Environmental preservation
- Water conservation
- Water purification
- Water pollution (correct)
What are the types of water bodies that can be affected by water pollution?
What are the types of water bodies that can be affected by water pollution?
What is the outcome of water pollution?
What is the outcome of water pollution?
What is the characteristic of water that is related to the presence of microorganisms?
What is the characteristic of water that is related to the presence of microorganisms?
What is the term for the measure of the amount of oxygen required by microorganisms to break down organic matter in water?
What is the term for the measure of the amount of oxygen required by microorganisms to break down organic matter in water?
What type of water pollution source is attributed to a clearly identifiable, specific physical location or a defined discharge channel?
What type of water pollution source is attributed to a clearly identifiable, specific physical location or a defined discharge channel?
What is the term for the amount of organic matter present in water, measured by the amount of oxygen required to oxidize it?
What is the term for the amount of organic matter present in water, measured by the amount of oxygen required to oxidize it?
What is the characteristic of water that is related to the presence of dissolved gases, such as oxygen and hydrogen sulfide?
What is the characteristic of water that is related to the presence of dissolved gases, such as oxygen and hydrogen sulfide?
What is the range of dissolved oxygen levels in water where aquatic life is under stress?
What is the range of dissolved oxygen levels in water where aquatic life is under stress?
What does the term 'ThOD' stand for in the context of water quality?
What does the term 'ThOD' stand for in the context of water quality?
Which of the following is NOT a physio-chemical characteristic of water quality?
Which of the following is NOT a physio-chemical characteristic of water quality?
What is the term for the amount of oxygen required to break down organic matter in water?
What is the term for the amount of oxygen required to break down organic matter in water?
What is the purpose of sampling in water quality monitoring?
What is the purpose of sampling in water quality monitoring?
What is the range of dissolved oxygen levels in water that indicates moderate pollution?
What is the range of dissolved oxygen levels in water that indicates moderate pollution?
What is Biochemical Oxygen Demand (BOD) a measure of?
What is Biochemical Oxygen Demand (BOD) a measure of?
Why is the BOD test carried out for 5 days?
Why is the BOD test carried out for 5 days?
What is the purpose of the bacterial seed in the BOD test?
What is the purpose of the bacterial seed in the BOD test?
What is the indicator used in the titration process of the BOD test?
What is the indicator used in the titration process of the BOD test?
What is the unit of the dilution factor in the BOD test?
What is the unit of the dilution factor in the BOD test?
What is the temperature at which the BOD incubator is maintained?
What is the temperature at which the BOD incubator is maintained?
What is the characteristic of an anaerobic fluidized bed process that distinguishes it from other reactors?
What is the characteristic of an anaerobic fluidized bed process that distinguishes it from other reactors?
What is the primary objective of disinfection?
What is the primary objective of disinfection?
Which of the following is NOT a characteristic of an ideal disinfectant?
Which of the following is NOT a characteristic of an ideal disinfectant?
What is the term used to describe a reactor that combines the benefits of suspended growth and attached growth processes?
What is the term used to describe a reactor that combines the benefits of suspended growth and attached growth processes?
Which of the following is an example of a physical disinfection method?
Which of the following is an example of a physical disinfection method?
What is the purpose of a biofilter in disinfection?
What is the purpose of a biofilter in disinfection?
