WASTEWATER GRADE 1 ASSESSMENT
PRACTICE SOLUTION QUESTIONS AND
SOLUTIONS 2026 GRADED A+.
◍ WasteWater Sources & Characteristics:
Combined wastewater is defined as. Answer: sanitary wastewater and
stormwater runoff
◍ WasteWater Sources & Characteristics:
In general, the solids content in wastewater is about. Answer: 0.1%
◍ WasteWater Sources & Characteristics:
In general, what is the % of suspended solids in the total amount of
solids. Answer: 30%
◍ WasteWater Sources & Characteristics:
Generally, the % of dissolved solids in the amount of total solids is
about. Answer: 70%
,◍ WasteWater Sources & Characteristics:
Which type of organisms would most probably be associated with
poor treatment or young biomass. Answer: amoebas
◍ WasteWater Sources & Characteristics:
Which type of organisms would most probably be associated with
very clear plant effluent. low BOD and low amounts of suspended
solids. Answer: stalked cilates
◍ Basic WasteWater Treatment:
Aerobic bacteria will reproduce and live in an environment that
contains only. Answer: oxygen
◍ Basic WasteWater Treatment:
Anaerobic bacteria will reproduce and live only in an environment
that completely lacks. Answer: free or dissolved oxygen
◍ Basic WasteWater Treatment:
The biochemical oxygen demand (BOD) test usually has a specific
time of. Answer: 5 days
, ◍ Basic WasteWater Treatment:
An Imhoff cone measures. Answer: volume of settleable solids
◍ Basic WasteWater Treatment:
Septic conditions are caused by. Answer: anaerobic bacteria
◍ Basic WasteWater Treatment:
Scum is usually removed in the _____treatment stage. Answer:
primary
◍ Basic WasteWater Treatment:
When domestic wastewater enters natural waters, what species
deplete most of the oxygen. Answer: aerobic bacteria
◍ Basic WasteWater Treatment:
Once the oxygen is depleted in a natural body of water, which
organisms take over?. Answer: anaerobic
PRACTICE SOLUTION QUESTIONS AND
SOLUTIONS 2026 GRADED A+.
◍ WasteWater Sources & Characteristics:
Combined wastewater is defined as. Answer: sanitary wastewater and
stormwater runoff
◍ WasteWater Sources & Characteristics:
In general, the solids content in wastewater is about. Answer: 0.1%
◍ WasteWater Sources & Characteristics:
In general, what is the % of suspended solids in the total amount of
solids. Answer: 30%
◍ WasteWater Sources & Characteristics:
Generally, the % of dissolved solids in the amount of total solids is
about. Answer: 70%
,◍ WasteWater Sources & Characteristics:
Which type of organisms would most probably be associated with
poor treatment or young biomass. Answer: amoebas
◍ WasteWater Sources & Characteristics:
Which type of organisms would most probably be associated with
very clear plant effluent. low BOD and low amounts of suspended
solids. Answer: stalked cilates
◍ Basic WasteWater Treatment:
Aerobic bacteria will reproduce and live in an environment that
contains only. Answer: oxygen
◍ Basic WasteWater Treatment:
Anaerobic bacteria will reproduce and live only in an environment
that completely lacks. Answer: free or dissolved oxygen
◍ Basic WasteWater Treatment:
The biochemical oxygen demand (BOD) test usually has a specific
time of. Answer: 5 days
, ◍ Basic WasteWater Treatment:
An Imhoff cone measures. Answer: volume of settleable solids
◍ Basic WasteWater Treatment:
Septic conditions are caused by. Answer: anaerobic bacteria
◍ Basic WasteWater Treatment:
Scum is usually removed in the _____treatment stage. Answer:
primary
◍ Basic WasteWater Treatment:
When domestic wastewater enters natural waters, what species
deplete most of the oxygen. Answer: aerobic bacteria
◍ Basic WasteWater Treatment:
Once the oxygen is depleted in a natural body of water, which
organisms take over?. Answer: anaerobic
