WorksheetsPollution Review
Total questions: 44
Worksheet time: 30mins
What is the term to describe the wastewater that enters a wastewater treatment facility?
effluent
influent
potable
sedimentation
What is the first step of preliminary wastewater treatment, which removes large items such as plastic wrappers and sticks?
screening
sedimentation
aeration
disinfection
What is removed in primary phase wastewater treatment, as the wastewater is sent to a settling tank and left undisturbed?
bacteria
pathogens
sludge
grit
What is added to to the wastewater to kill pathogens?
grit
bacteria
sodium bisulfate
chlorine
Which shows steps in the correct order?
screening, sludge sedimentation, bacteria sedimentation, aeration, grit removal, disinfection
screening, disinfection, grit removal, bacteria sedimentation, aeration, sludge sedimentation
screening, grit removal, sludge sedimentation, aeration, bacteria sedimentation, disinfection
screening, grit removal, sludge sedimentation, bacteria sedimentation, disinfection, aeration
What is the water called that is released into the environment?
effluent
influent
wastewater
potable
In which part of the wastewater treatment process are bacteria introduced to the wastewater to feed on organic particles, such as food and feces? (Select 2 choices)
sedimentation
aeration
disinfection
primary treatment
secondary treatment
______________________ is when there is an increase in the overall temperature of a body of water and most commonly results from power plants using water for cooling purposes.
artificial eutrophication
biomagnification
wastewater
thermal pollution
from fertilizers, animal waste, burning fossil fuels, part of smog
Carbon oxides
Nitrogen oxides
Sulfur Dioxides
VOCs
most often cited as the causative factor for acid deposition
Carbon oxides
Nitrogen oxides
Sulfur Dioxides
VOCs
What factors could lead to smog formation? choose all that apply
ample sunshine
sea-level elevation
high concentration of automobiles
smokers
Smoke stacks could emit which of the following pollutants? Select all that apply
particulates
ozone
carbon oxides
sulfur dioxide
which of the following could be used to reduce SO2 emissions from coal-burning power plants?
catalytic converters
electrostatic precipitators
wet-scrubbers
exhaust-stream aeration
A major source of radon in homes is
furniture
electronics
construction material
underlying bedrock
