Cumulative Final Exam Review Jeopardy Waterworks Operations III WQT 134 Waterworks Operations III...

Cumulative Final Exam Review Jeopardy

Cumulative Final Exam Review Jeopardy

Waterworks Operations IIIWQT 134

Waterworks Operations IIIWQT 134

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Source H2O Pretreatment CoagulationIntake/Screens

FINAL JEOPARDY

Source Water $100

Plant whose intake screen is situated in the “sweet spot” of the Willamette river

Plant whose intake screen is situated in the “sweet spot” of the Willamette river

Source Water $200

Plant that uses GAC to treat organics from its

source water

Plant that uses GAC to treat organics from its

source water

Source Water $300

1996 flooding of this river destroyed a

pump station

1996 flooding of this river destroyed a

pump station

Source Water $400

Two plants that remove water from

the Molalla river

Two plants that remove water from

the Molalla river

Source Water $500

Three plants we visited that use the Clackamas river for

source water

Three plants we visited that use the Clackamas river for

source water

Source water $100-Answer

What is the Willamette Water Treatment Plant?



What is the Molalla River?

What is the Molalla River?


What is the Molalla Water Treatment Plant and the Canby Water

Treatment Plant?

What is the Molalla Water Treatment Plant and the Canby Water

Treatment Plant?


What is the Clackamas, North Clackamas, and Lake Oswego Water Treatment Plants?

What is the Clackamas, North Clackamas, and Lake Oswego Water Treatment Plants?

Intake/Screens $100

Purpose of using screens?

Purpose of using screens?

Intake/Screens $200

Type of screen that has straight steel bars

welded at both ends at 60-80o angles

Type of screen that has straight steel bars

welded at both ends at 60-80o angles

Intake/Screens $300

Type of screen shown here


Intake/Screens $400

Type of instrument shown here

Type of instrument shown here

Intake/Screens $500



Intake/Screens $100-Answer

What is used to remove debris and prevent clogging of

the intake.

What is used to remove debris and prevent clogging of

the intake.


What is a bar screen?What is a bar screen?


What is a bar screen?

What is a bar screen?


What is traveling wire screen?

What is traveling wire screen?


What is a fine-wire mesh screen?

What is a fine-wire mesh screen?

Pretreatment $100

Mechanical sand and grit removal

device shown here

Mechanical sand and grit removal

device shown here

Pretreatment $200

Function of this device?

Function of this device?

Pretreatment $300

This 25 year old device is used

before filtration

This 25 year old device is used

before filtration

Pretreatment $400

The device shown here for pretreatment

before membrane filtration?

The device shown here for pretreatment

before membrane filtration?

Pretreatment $500

A concave depression in the

bottom of a structure to collect

sediment ?

A concave depression in the

bottom of a structure to collect

sediment ?

Pretreatment $100-Answer

What is the cyclone degritter?

What is the cyclone degritter?


What is to prevent short circuiting, slows the

movement of water down to aid in floc removal?

What is to prevent short circuiting, slows the

movement of water down to aid in floc removal?


What is a redwood baffle?

What is a redwood baffle?


What is a strainer?What is a strainer?


What is a sand trap?What is a sand trap?

Coagulation $100

_________ mixing occurs during coagulation

_________ mixing occurs during coagulation

Coagulation $200

Typical charge on troublesome particles to be

removed from water

Typical charge on troublesome particles to be

removed from water

Coagulation $300

Two trivalent ions used for

coagulation

Two trivalent ions used for

coagulation

Coagulation $400

Name four types of coagulants

Name four types of coagulants

Coagulation $500

Three functions/advantages of using anionic

polyelectrolytes polymers

Three functions/advantages of using anionic

polyelectrolytes polymers

Coagulation 100 $ Answer

What is rapid or flash mixing?

What is rapid or flash mixing?

Coagulation $200-Answer

What is negative?What is negative?


What are iron and aluminum? What are iron

and aluminum?


What are ALUM or aluminum sulfateACH or aluminum chlorohydrateFerric chloride,Ferric or ferrous sulfate,Aluminum polymers,Cationic, anionic, or nonionic polyelectrolytesSodium aluminate,Sodium silicate

What are ALUM or aluminum sulfateACH or aluminum chlorohydrateFerric chloride,Ferric or ferrous sulfate,Aluminum polymers,Cationic, anionic, or nonionic polyelectrolytesSodium aluminate,Sodium silicate


What are increased floc size, improved settling, stronger floc.

Not effected by pH, alkalinity, hardness, or turbidity.

What are increased floc size, improved settling, stronger floc.

Not effected by pH, alkalinity, hardness, or turbidity.

Final Jeopardy

Coagulant AidsCoagulant Aids

Final Jeopardy

What is a coagulant aid and what are three

types of coagulant aids??

What is a coagulant aid and what are three

types of coagulant aids??

Final Jeopardy-Answer

• They are Activated silica, weighting agents like bentonite clay, and polyelectrolytes.

• Stronger more settable flocs• Overcome the effect of temp drops that

slow coagulation• Reduce the amount of coagulant needed• Reduce the amount of sludge produced.

• They are Activated silica, weighting agents like bentonite clay, and polyelectrolytes.

• Stronger more settable flocs• Overcome the effect of temp drops that

slow coagulation• Reduce the amount of coagulant needed• Reduce the amount of sludge produced.

Cumulative Final Exam Review Jeopardy Waterworks Operations III WQT 134 Waterworks Operations III...

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