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WorksheetsWaste Water Management
Total questions: 15
Worksheet time: 15mins
____________ system is a channel system of pipelines used to carry sewage
Sewer
Onsite deposition
Air is blown into the sewage in ____________ tanks
Sedimentation
Aeration
________________ is produced by the action of bacteria on the organic matter of sludge
LPG
Biogas
Which of the following is not a source of wastewater?
Hospitals
Rain
Mining
Domestic activities
Which one of these is a mechanical process of treating water?
Screening of sewage
Aeration of sewage
Digestion of sewage
Addition of chlorine to water
Which one of these is a biological process of treating water?
Screening of sewage
Aeration of sewage
Exposure to ultraviolet light
Addition of Chlorine water
Which of the following treatments involves addition of chlorine?
Primary treatment
Secondary treatment
Tertiary treatment
Initial treatment
The ________system transport the sewage from homes to the treatment plants.
sewage
sewage pipes
Smog
rainwater
what is the process of sewage treatment in order?
screening, primary treatment, disinfection, secondary treatment
screening,primary treatment,secondary treatment,disinfection
disinfection, primary treatment, secondary treatment, screening
primary treatment, secondary treatment, screening, disinfection
What is the primary purpose of wastewater treatment?
To remove solid waste
To purify water for drinking
To remove harmful substances and pathogens
To recycle water for industrial use
Which of the following processes is used to remove large solids from wastewater?
Filtration
Sedimentation
Screening
Chlorination
In wastewater treatment, what is the role of aeration tanks?
To settle out heavy particles
To add chlorine to the water
To promote the growth of aerobic bacteria
To remove odors from the water
Which of the following is a byproduct of anaerobic digestion in wastewater treatment?
Methane gas
Oxygen
Carbon dioxide
Nitrogen gas
What is the main environmental benefit of treating wastewater before releasing it into natural water bodies?
Increases water temperature
Reduces water pollution
Increases water flow
Reduces water evaporation
Which stage of wastewater treatment involves the use of microorganisms to decompose organic matter?
Primary treatment
Secondary treatment
Tertiary treatment
Quaternary treatment
