Question 1
WasteWater Sources & Characteristics:
What is the most common reason for a wastewater to contain intermittent large amounts of
sand, gravel, and grit?
CORRECT ANSWER
storm events
Question 2
WasteWater Sources & Characteristics:
Combined wastewater is defined as
CORRECT ANSWER
sanitary wastewater and stormwater runoff
Question 3
WasteWater Sources & Characteristics:
In general, the solids content in wastewater is about
CORRECT ANSWER
0.1%
1
@THE STUDY VAULT
,Question 4
WasteWater Sources & Characteristics:
In general, what is the % of suspended solids in the total amount of solids
CORRECT ANSWER
30%
Question 5
WasteWater Sources & Characteristics:
Generally, the % of dissolved solids in the amount of total solids is about
CORRECT ANSWER
70%
Question 6
WasteWater Sources & Characteristics:
Which type of organisms would most probably be associated with poor treatment or young
biomass
CORRECT ANSWER
amoebas
2
@THE STUDY VAULT
,Question 7
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
CORRECT ANSWER
stalked cilates
Question 8
Basic WasteWater Treatment:
Aerobic bacteria will reproduce and live in an environment that contains only
CORRECT ANSWER
oxygen
Question 9
Basic WasteWater Treatment:
Anaerobic bacteria will reproduce and live only in an environment that completely lacks
CORRECT ANSWER
free or dissolved oxygen
Question 10
Basic WasteWater Treatment:
3
@THE STUDY VAULT
, The biochemical oxygen demand (BOD) test usually has a specific time of
CORRECT ANSWER
5 days
Question 11
Basic WasteWater Treatment:
An Imhoff cone measures
CORRECT ANSWER
volume of settleable solids
Question 12
Basic WasteWater Treatment:
Septic conditions are caused by
CORRECT ANSWER
anaerobic bacteria
Question 13
Basic WasteWater Treatment:
Scum is usually removed in the _____treatment stage
CORRECT ANSWER
4
@THE STUDY VAULT
WasteWater Sources & Characteristics:
What is the most common reason for a wastewater to contain intermittent large amounts of
sand, gravel, and grit?
CORRECT ANSWER
storm events
Question 2
WasteWater Sources & Characteristics:
Combined wastewater is defined as
CORRECT ANSWER
sanitary wastewater and stormwater runoff
Question 3
WasteWater Sources & Characteristics:
In general, the solids content in wastewater is about
CORRECT ANSWER
0.1%
1
@THE STUDY VAULT
,Question 4
WasteWater Sources & Characteristics:
In general, what is the % of suspended solids in the total amount of solids
CORRECT ANSWER
30%
Question 5
WasteWater Sources & Characteristics:
Generally, the % of dissolved solids in the amount of total solids is about
CORRECT ANSWER
70%
Question 6
WasteWater Sources & Characteristics:
Which type of organisms would most probably be associated with poor treatment or young
biomass
CORRECT ANSWER
amoebas
2
@THE STUDY VAULT
,Question 7
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
CORRECT ANSWER
stalked cilates
Question 8
Basic WasteWater Treatment:
Aerobic bacteria will reproduce and live in an environment that contains only
CORRECT ANSWER
oxygen
Question 9
Basic WasteWater Treatment:
Anaerobic bacteria will reproduce and live only in an environment that completely lacks
CORRECT ANSWER
free or dissolved oxygen
Question 10
Basic WasteWater Treatment:
3
@THE STUDY VAULT
, The biochemical oxygen demand (BOD) test usually has a specific time of
CORRECT ANSWER
5 days
Question 11
Basic WasteWater Treatment:
An Imhoff cone measures
CORRECT ANSWER
volume of settleable solids
Question 12
Basic WasteWater Treatment:
Septic conditions are caused by
CORRECT ANSWER
anaerobic bacteria
Question 13
Basic WasteWater Treatment:
Scum is usually removed in the _____treatment stage
CORRECT ANSWER
4
@THE STUDY VAULT
