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Waste Water Operator Certification Study Guide Grade 1 Questions with
100% Verified Answers UPDATED!!!
WasteWater Sources & Characteristics:
What is the most common reason for a wastewater to contain
intermittent large amounts of sand, gravel, and grit? - ANSWER
storm events
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:
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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:
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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:
Waste Water Operator Certification Study Guide Grade 1 Questions with
100% Verified Answers UPDATED!!!
WasteWater Sources & Characteristics:
What is the most common reason for a wastewater to contain
intermittent large amounts of sand, gravel, and grit? - ANSWER
storm events
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:
,2|Page
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:
, 3|Page
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:
