WorksheetsWaste Water Treatment
Total questions: 15
Worksheet time: 15mins
Dewatering is Not a process of filtering sludge
True
False
what is the solid waste that settles at the bottom of the in the primary treatment of waste water called?
Sludge
Clarified water
Scum
Compost
___________ is the wastewater containing suspended impurities
Clarified water
Sewage
is the liquid waste that is discharged into a river or the sea
Effluent
Contaminants
Sand, grit and pebbles are removed in ___________
Aeration tank
Grit chamber
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 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
Which of the following is not a source of wastewater?
Hospitals
Rain
Mining
Domestic activities
Which of these options has the waste water treatment steps in the correct order?
Waste water, preliminary, secondary, primary, final, solids processing.
Waste water, preliminary, primary, secondary, final, solids processing.
Preliminary, waste water, primary, secondary, solids processing final.
There are too many choices here. Just choose one of the other options ;-)
What is the primary purpose of the aeration tank in wastewater treatment?
To remove large debris and solids
To add oxygen to support microbial activity
To settle out heavy particles
To disinfect the water
Which of the following is a common method for removing phosphorus from wastewater?
Chemical precipitation
Biological nitrification
Sedimentation
Filtration
In the context of wastewater treatment, what does BOD stand for?
Biological Oxygen Demand
Biochemical Oxidation Degradation
Bacterial Organic Decomposition
Basic Oxygenation Device
