Wastewater collections Exam Questions
with Answers
What is a unusually strong wastewater discharged from a waste source? - ✔✔A sock load
The four categories of wastewater characteristics are? - ✔✔physical, chemical, bacteriological,
and radiological.
The amount of wastewater collected depends on? - ✔✔economic status, water rates, climate,
infiltration/inflow, and industry.
Physical characteristics are detected by the senses such as? - ✔✔smell and sight
When anaerobic decomposition begins producing acid and
odorous gases.? - ✔✔Begins when dissolved oxygen is gone
One mg/L or one ppm is? - ✔✔one pound of material in a million pounds of water.
Organics are produced by - ✔✔plants, animals, or humans
It is not organic and examples are sand, metal, and rock. - ✔✔"Inorganic"
What is toxic, corrosive, flammable, heavier than air, deadens the sense of
smell, and has a rotten egg odor. - ✔✔Hydrogen sulfide
What is lighter than air, explosive, colorless, and odorless? - ✔✔Methane (natural) gas
, What Oil and grease in wastewater may cause? - ✔✔explosion, fires,stoppages and odor
Excessive chlorides interfere with treatment and effect wastewater ____ - ✔✔lab tests
The BOD test indicates the amount of organic matter that can be oxidized by biological and
chemical action in how many days at what temperature ? - ✔✔5 days at 20°C
Bacteria requiring free, uncombined oxygen are ________. - ✔✔aerobic
Bacteria requiring combined oxygen are ________. - ✔✔anaerobic
Bacteria able to metabolize free or combined oxygen are ________. - ✔✔facultative
Disease-causing microorganisms are called ________. - ✔✔pathogens
Waterborne diseases include typhoid, dysentery, cholera, and ________. - ✔✔polio
Types of industrial waste are flammable oil, toxic gases, and ________. - ✔✔acids and alkalis
is the state law for water pollution control in Texas? - ✔✔The Texas Water Code
is the primary state agency having authority for water pollution control in Texas? - ✔✔The
TCEQ
can review wastewater system projects in lieu of TCEQ by submitting
notification of intent to review. - ✔✔Municipalities
with Answers
What is a unusually strong wastewater discharged from a waste source? - ✔✔A sock load
The four categories of wastewater characteristics are? - ✔✔physical, chemical, bacteriological,
and radiological.
The amount of wastewater collected depends on? - ✔✔economic status, water rates, climate,
infiltration/inflow, and industry.
Physical characteristics are detected by the senses such as? - ✔✔smell and sight
When anaerobic decomposition begins producing acid and
odorous gases.? - ✔✔Begins when dissolved oxygen is gone
One mg/L or one ppm is? - ✔✔one pound of material in a million pounds of water.
Organics are produced by - ✔✔plants, animals, or humans
It is not organic and examples are sand, metal, and rock. - ✔✔"Inorganic"
What is toxic, corrosive, flammable, heavier than air, deadens the sense of
smell, and has a rotten egg odor. - ✔✔Hydrogen sulfide
What is lighter than air, explosive, colorless, and odorless? - ✔✔Methane (natural) gas
, What Oil and grease in wastewater may cause? - ✔✔explosion, fires,stoppages and odor
Excessive chlorides interfere with treatment and effect wastewater ____ - ✔✔lab tests
The BOD test indicates the amount of organic matter that can be oxidized by biological and
chemical action in how many days at what temperature ? - ✔✔5 days at 20°C
Bacteria requiring free, uncombined oxygen are ________. - ✔✔aerobic
Bacteria requiring combined oxygen are ________. - ✔✔anaerobic
Bacteria able to metabolize free or combined oxygen are ________. - ✔✔facultative
Disease-causing microorganisms are called ________. - ✔✔pathogens
Waterborne diseases include typhoid, dysentery, cholera, and ________. - ✔✔polio
Types of industrial waste are flammable oil, toxic gases, and ________. - ✔✔acids and alkalis
is the state law for water pollution control in Texas? - ✔✔The Texas Water Code
is the primary state agency having authority for water pollution control in Texas? - ✔✔The
TCEQ
can review wastewater system projects in lieu of TCEQ by submitting
notification of intent to review. - ✔✔Municipalities
