WasteWater Operator Certification
Study Guide Grade 1
Activated Sludge:
A primary effluent and returned activated sludge mixture is called - ANS-waste activated sludge
Activated Sludge:
A yellow fuel flame from a digester's waste gas burner might also suggest a bad excellent
gasoline with a - ANS-high CO2 content
Activated Sludge:
The principal "workers" within the activated sludge process are - ANS-bacteria
Activated Sludge:
The combination of organisms and solids in water this is removed from the settling tank is called
- ANS-mixed liquor
Activated Sludge:
Under regular working conditions, what colour is activated sludge - ANS-dark chocolate brown
Activated Sludge:
What take a look at(s) may want to an operator use to make process modifications straight away
if a problem develops - ANS-COD take a look at
Basic Chemistry:
Describe "colloids" - ANS-an ion opposite in rate to a colloidal particle will pressure its manner
into the colloidal particle
Basic Chemistry:
People operating in and around wastewater should be immunized for - ANS-tetanus
, Basic Chemistry:
The electrical ability among two points is measured in - ANS-volts
Basic Chemistry:
Water is used as a trendy because it has specific houses and is readily to be had in its natural
state. Which preferred isn't accurate?
A. Celsius scale
b. The calorie
c. The kilogram
d. Particular gravity - ANS-the kilogram
Basic Chemistry:
What acids are shaped whilst water reacts with nonmetal oxides?
A. Acid hydroxides
b. Acid anhydrides
c. Acid oxides
d. Acid hydrates - ANS-acid anhydrides
Basic Chemistry:
What is the most not unusual use these days for a tremendous-displacement pump -
ANS-chemical feed pump
Basic Chemistry:
What piece of laboratory glassware is often used to combine checmicals and measure
approximately volumes? - ANS-beaker
Basic Chemistry:
Which lab glassware is used for measuring volumes - ANS-graduated cylinders
Basic Chemistry:
Which lab glassware will deliver the most accurate measurements of liquids - ANS-burettes
Basic Chemistry:
Which lab tests has a zero conserving time - ANS-chlorine residual
Study Guide Grade 1
Activated Sludge:
A primary effluent and returned activated sludge mixture is called - ANS-waste activated sludge
Activated Sludge:
A yellow fuel flame from a digester's waste gas burner might also suggest a bad excellent
gasoline with a - ANS-high CO2 content
Activated Sludge:
The principal "workers" within the activated sludge process are - ANS-bacteria
Activated Sludge:
The combination of organisms and solids in water this is removed from the settling tank is called
- ANS-mixed liquor
Activated Sludge:
Under regular working conditions, what colour is activated sludge - ANS-dark chocolate brown
Activated Sludge:
What take a look at(s) may want to an operator use to make process modifications straight away
if a problem develops - ANS-COD take a look at
Basic Chemistry:
Describe "colloids" - ANS-an ion opposite in rate to a colloidal particle will pressure its manner
into the colloidal particle
Basic Chemistry:
People operating in and around wastewater should be immunized for - ANS-tetanus
, Basic Chemistry:
The electrical ability among two points is measured in - ANS-volts
Basic Chemistry:
Water is used as a trendy because it has specific houses and is readily to be had in its natural
state. Which preferred isn't accurate?
A. Celsius scale
b. The calorie
c. The kilogram
d. Particular gravity - ANS-the kilogram
Basic Chemistry:
What acids are shaped whilst water reacts with nonmetal oxides?
A. Acid hydroxides
b. Acid anhydrides
c. Acid oxides
d. Acid hydrates - ANS-acid anhydrides
Basic Chemistry:
What is the most not unusual use these days for a tremendous-displacement pump -
ANS-chemical feed pump
Basic Chemistry:
What piece of laboratory glassware is often used to combine checmicals and measure
approximately volumes? - ANS-beaker
Basic Chemistry:
Which lab glassware is used for measuring volumes - ANS-graduated cylinders
Basic Chemistry:
Which lab glassware will deliver the most accurate measurements of liquids - ANS-burettes
Basic Chemistry:
Which lab tests has a zero conserving time - ANS-chlorine residual
