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WASTEWATER OPERATOR CERTIFICATION
STUDY GUIDE GRADE 1 2025 BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS| ACE
YOUR GRADES.
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
WasteWater Sources & Characteristics:
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Combined wastewater is defined as - correct answer -sanitary
wastewater and stormwater runoff
WasteWater Sources & Characteristics:
In general, the solids content in wastewater is about - correct
answer -0.1%
WasteWater Sources & Characteristics:
In general, what is the % of suspended solids in the total amount
of solids - correct answer -30%
WasteWater Sources & Characteristics:
Generally, the % of dissolved solids in the amount of total solids is
about - correct answer -70%
WasteWater Sources & Characteristics:
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Which type of organisms would most probably be associated with
poor treatment or young biomass - correct 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 - correct answer -stalked cilates
Basic WasteWater Treatment:
Aerobic bacteria will reproduce and live in an environment that
contains only - correct answer -oxygen
Basic WasteWater Treatment:
Anaerobic bacteria will reproduce and live only in an environment
that completely lacks - correct answer -free or dissolved oxygen
Basic WasteWater Treatment:
WASTEWATER OPERATOR CERTIFICATION
STUDY GUIDE GRADE 1 2025 BRAND NEW
ACTUAL EXAM WITH 100% VERIFIED
QUESTIONS AND CORRECT SOLUTIONS| ACE
YOUR GRADES.
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
WasteWater Sources & Characteristics:
, Page | 2
Combined wastewater is defined as - correct answer -sanitary
wastewater and stormwater runoff
WasteWater Sources & Characteristics:
In general, the solids content in wastewater is about - correct
answer -0.1%
WasteWater Sources & Characteristics:
In general, what is the % of suspended solids in the total amount
of solids - correct answer -30%
WasteWater Sources & Characteristics:
Generally, the % of dissolved solids in the amount of total solids is
about - correct answer -70%
WasteWater Sources & Characteristics:
, Page | 3
Which type of organisms would most probably be associated with
poor treatment or young biomass - correct 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 - correct answer -stalked cilates
Basic WasteWater Treatment:
Aerobic bacteria will reproduce and live in an environment that
contains only - correct answer -oxygen
Basic WasteWater Treatment:
Anaerobic bacteria will reproduce and live only in an environment
that completely lacks - correct answer -free or dissolved oxygen
Basic WasteWater Treatment: