Class D info
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | The production and delivery of safe drinking water to consumers
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| show | Federal and State
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| show | disinfected, delivered at adequate pressure, and be ample in quantity.
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| Employees should guard what | show 🗑
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| show | contamination, vandalism and terrorism
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| show | 5 years
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| show | 10 years
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| show | 3 years after last action taken
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| Written documentation relating to sanitary surveys conducted are kept for | show 🗑
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| show | 5 years after its expiration
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| Results of required tests, measurements or analysis must be reported | show 🗑
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| A copy of Consumer Confidence reports (EPA Required)must be kept for | show 🗑
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| Administers water operator licensing | show 🗑
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| TCEQ | show 🗑
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| show | Regularly serves at least 25 individuals daily at least 60 days out of the year.Services at least 15 service connections.
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| show | Municipal Utility Districts
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| show | Life and health
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| Customers are entitled to | show 🗑
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| show | systems that serve less than 100 connections OR purchase treated water
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| Job training for water utility operators is available through these 3 organizations | show 🗑
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| show | redistributes treated water bought from another source
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| cities, municipal utility districts,rural water supply corporations mobile home parks, campgrounds are examples of: | show 🗑
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| show | cities, municipal utility districts,rural water supply corporations, mobile home parks, campgrounds
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| show | Any public water system that is not a community system
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| show | non-community water systems
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| The federal agency that impacts the water industry | show 🗑
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| EPA | show 🗑
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| show | Safe Drinking Water Act
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| show | Physical, Chemical, Bacteriological, Radiological
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| show | TCEQ
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| The water system must notify the TCEQ when (5 items) | show 🗑
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| show | Regional and local agencies that impact the water utility industry
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| show | Public Relations
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| show | Public Relations
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| show | Everything the utility does is PR; Customers are entitles to courteous treatment; Every employee is a PR person
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| show | Meter Readers
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| Meter readers can be ambassadors of goodwill by doing these 5 things | show 🗑
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| Maintenance crews can warn customers of | show 🗑
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| Maintenance crews can provide this to protect the public | show 🗑
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| The plant operator is responsible for making the water | show 🗑
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| Water bills should be 4 things | show 🗑
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| show | pride and professionalism
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| Employees should be kept informed of utility... | show 🗑
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| show | as legitimate and investigated as soon as possible
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| In small water systems the operator is often | show 🗑
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| Stuffers are | show 🗑
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| show | departments to call for service; explanations of utility policy; a history of the utility; tips on water conservation
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| show | tactful and tasteful; mailed in an envelope; businesslike
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| show | yearly
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| show | attractive; easy to understand
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| show | goodwill and trust with the customer
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| show | fair wages; benefits; safe working conditions
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| After action is taken on a complaint the employee should do this to to make sure everything is satisfactory(OK). | show 🗑
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| Give 3 reasons that water plant facilities should be kept neat and clean | show 🗑
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| show | utility policy
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| The chemical symbol for water | show 🗑
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| show | solid(ice); liquid(water); water(vapor/gas)
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| Hydrological cycle | show 🗑
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| show | temperature; rainfall; cost; supply; economic level
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| show | located below the earth's surface (underground)
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| Name the three places that surface water comes from. | show 🗑
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| show | more scarce
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| Raw Water | show 🗑
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| Ground water is tapped by | show 🗑
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| Potable water | show 🗑
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| Before construction, the utility must submit engineering plans to | show 🗑
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| Operators should keep records of 5 types of things | show 🗑
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| show | Austin
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| Reports for Surface water systems must be received by the TCEQ by | show 🗑
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| How often are ground water systems are required to compile reports? | show 🗑
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| show | inspection or review but are not required to mail them in
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| show | Ground Water & Surface Water that serve less than 100 connections
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| Water is never found in nature with this characteristic | show 🗑
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| show | Temperature; Turbidity; Color; Taste and Odor
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| show | Hardness; pH; Solids; Gases
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| show | the amount of suspended matter such as clay, silt, organic matter and microorganisms in water
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| Color in water can result from | show 🗑
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| show | dissolved in water; cannot be removed by filtering
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| Apparent Color | show 🗑
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| an example of true color | show 🗑
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| show | red water caused by oxidized iron
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| show | taste and color
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| show | mg/L
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| show | milligrams per liter
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| How often should surface water be sampled for chemical analysis? | show 🗑
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| show | every 3 years
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| show | calcium and magnesium and other minerals
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| The pH scale ranges from | show 🗑
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| acidic on the pH scale is (number range) | show 🗑
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| basic on the pH scale is | show 🗑
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| show | 7
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| show | suspended
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| Solids that cannot be removed by filtering | show 🗑
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| show | hydrogen sulfide; carbon dioxide; methane
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| chemically water is made up of | show 🗑
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| Nature's way of recycling water | show 🗑
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| show | drinking
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| one of the most important purposes of a public water supply | show 🗑
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| show | matter that is alive or once was alive
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| The most important treatment process is | show 🗑
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| show | disinfection
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| show | disinfection
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| Most ground water is relatively free of | show 🗑
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| Turbidity can be a major problem in | show 🗑
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| show | less than or equal to 15 units
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| Turbidity is measured in this unit | show 🗑
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| Taste and Odor Units | show 🗑
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| Water is considered hard when | show 🗑
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| A gallon of water weighs | show 🗑
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| 1 mg/L of water equals | show 🗑
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| ppm | show 🗑
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| show | heavier than air; colorless; flammable; toxic; has a rotten egg odor
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| show | blue baby syndrome in infants
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| show | mottling/staining of teeth
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| show | Trihalomethanes THMs; Haloacetic Acids HAAs
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| show | the liver; kidneys; central nervous systems; increase cancer risks
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| What is the Action level for Copper? (by the Lead and Copper rule) | show 🗑
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| show | .015
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| Turbidity limits | show 🗑
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| show | .7 to 1.0 mg/L
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| Nitrates Limits | show 🗑
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| show | less than or equal to 1000 mg/L
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| show | less than or equal to 15 units
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| show | underground water-bearing formation yielding useful quantities of water
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| The quantity of water that a formation yields depends on | show 🗑
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| What are 2 problems caused by over-pumping include | show 🗑
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| show | sinking of the land
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| show | protect the well from collapse and surface contamination
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| The purpose of the well screen is to | show 🗑
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| the most important feature of the well screen is | show 🗑
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| A screen's mesh size is determined by 3 things. What are they? | show 🗑
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| show | Fine gravel placed around the well screen
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| The purpose of a well's gravel pack is to | show 🗑
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| show | vacuum breaker
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| The Purpose of a well vent | show 🗑
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| Name 2 problems that vacuums in wells can cause | show 🗑
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| show | concrete sealing block; meter; screened vent; sampling faucet
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| Contamination types allowed INSIDE/WITHIN 50 feet of a well | show 🗑
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| Livestock must be this many feet away from a well | show 🗑
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| show | 50
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| show | 50
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| show | 50
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| UNDERGROUND Fuel Storage Tanks must be this many feet away from a well | show 🗑
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| show | 150
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| show | 300
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| show | 300
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| show | 300
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| Animal Feed Lots must be this many feet away from a well | show 🗑
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| show | 500
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| show | 500
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| show | 500
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| show | 50 feet around a well
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| show | Lowering the gpm pump rate; Cycling the pump less; Installing sand separation devices; Correcting problems such as loss of gravel pack
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| show | Gallons per minute
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| show | bacteriological samples for three successive days show NO coliform
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| coliforms are | show 🗑
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| show | in a row without interruption
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| consecutive | show 🗑
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| coliforms are | show 🗑
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| show | water level with the pump running
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| static level | show 🗑
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| Drawdown = | show 🗑
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| Surface water usually contains more of these than ground water | show 🗑
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| Ground water usually contains less of these than surface water | show 🗑
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| Ground water usually contains more of these than surface water | show 🗑
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| show | dissolved minerals and gases
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| show | shallow
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| show | deep wells
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| show | Deep aquifer
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| show | natural outcrops where an aquifer reaches the surface
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| show | artesian aquifers
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| Artesian aquifers are overlaid by an | show 🗑
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| impervious layer | show 🗑
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| show | an area around a water table well that is dewatered by pumping
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| show | an area around an artesian well that is dewatered by pumping
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| Circle of influence | show 🗑
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| show | sealed
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| show | concrete sealing block; meter; screened vent; sampling faucet
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| show | None
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| Livestock must be this many feet away from a well | show 🗑
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| Storm Sewers must be this many feet away from a well | show 🗑
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| Septic Tanks must be this many feet away from a well | show 🗑
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| Tile or Concrete Sewers must be this many feet away from a well | show 🗑
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| show | 150
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|
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| Septic Drainage Fields must be this many feet away from a well | show 🗑
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| show | 300
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| show | 300
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| Wastewater Drainage Ditches must be this many feet away from a well | show 🗑
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| Animal Feed Lots must be this many feet away from a well | show 🗑
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| show | 500
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| Solid Waste Disposal Sites must be this many feet away from a well | show 🗑
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| show | 500
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| Zone of No Sewers | show 🗑
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| Ways to reduce sand pumping | show 🗑
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| GPM | show 🗑
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| Water from a new well should not be used until what analysis | show 🗑
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| show | organisms
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| show | in a row without interruption
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| show | in a row without interruption
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| show | types of organisms
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| pumping level | show 🗑
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| static level | show 🗑
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| show | Microorganisms
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|
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| show | Microorganisms
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|
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| show | dissolved minerals and gases
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|
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| Surface water usually contains less of these than ground water | show 🗑
|
||||
| Artesian wells are (depth) | show 🗑
|
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| show | Deep aquifer
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|
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| show | natural outcrops where an aquifer reaches the surface
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|
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| Deep wells are usually | show 🗑
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| show | impervious layer of rock
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|
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| impervious layer | show 🗑
|
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| show | an area around a water table well that is dewatered by pumping
🗑
|
||||
| show | an area around an artesian well that is dewatered by pumping
🗑
|
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| Circle of influence | show 🗑
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| show | Edwards & Ogallala
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|
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| show | fences or locked well houses
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|
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| show | an area around a well that is secured from property owners and recorded in the county courthouse deed records
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| Size of Sanitary control easement | show 🗑
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| show | process of flushing out a well
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|
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| Purpose of developing a well | show 🗑
|
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| show | surging; overpumping; jetting; backwashing
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|
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| What dosage is required to disinfect a well | show 🗑
|
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| What is the minimum length of time that a well disinfection solution needs to remain in the well | show 🗑
|
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| show | to disinfect the pump gravel and screen
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|
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| show | water in the aquifer
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|
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| A well sample for physical and chemical analysis must be taken after | show 🗑
|
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| show | a drop in the water table; screen stoppage; damage to the pump
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|
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| The most common type of deep well pumps (2) | show 🗑
|
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| show | used in shallow wells when the amount of water delivered is small
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|
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| show | Aeration
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|
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| show | pH
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|
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| show | adjusting the pH
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|
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| Two techniques used to remove calcium and magnesium | show 🗑
|
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| To soften hard water | show 🗑
|
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| show | Edwards & Ogallala
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|
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| Completed wells must be protected by | show 🗑
|
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| show | an area round a well that is secured from property owners and recorded in the county courthouse deed records
🗑
|
||||
| Size of Sanitary control easement | show 🗑
|
||||
| show | process of flushing out a well
🗑
|
||||
| The purpose of developing a well is to | show 🗑
|
||||
| show | surging; overpumping; jetting; backwashing
🗑
|
||||
| What dosage is required to disinfect a well | show 🗑
|
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| show | minimum of 6 hours
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|
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| The purpose of well disinfection is to | show 🗑
|
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| show | water in the aquifer
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|
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| A well sample for physical and chemical analysis must be taken after | show 🗑
|
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| show | a drop in the water table; screen stoppage; damage to the pump
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|
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| submersible & vertical turbine | show 🗑
|
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| Jet pumps | show 🗑
|
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| show | Aeration
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|
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| show | pH
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|
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| show | adjusting the pH
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|
||||
| show | adding lime; exchanging ions
🗑
|
||||
| percolation | show 🗑
|
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| Surface water | show 🗑
|
||||
| Percentage of public water systems that use surface water | show 🗑
|
||||
| show | The distance that boat ramps, docks and fishing peirs must be away from a water intake
🗑
|
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| Lakes may be low in | show 🗑
|
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| Rivers may be high in | show 🗑
|
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| show | Minerals, Gases & Dissolved Solids
🗑
|
||||
| show | to protect the public health, to supply an aesthetically pleasing product and to protect consumer property
🗑
|
||||
| show | pretreatment, pre-disinfection, taste and odor control, coagulation, sedimentation, filtration, covered storage, and terminal disinfection
🗑
|
||||
| Name 5 methods of controlling taste and odor problems | show 🗑
|
||||
| Name 3 chemicals that are Coagulants | show 🗑
|
||||
| show | small particles in water to clot together forming floc
🗑
|
||||
| The flocculation process | show 🗑
|
||||
| Jar Tests | show 🗑
|
||||
| 5 things that effect Coagulation | show 🗑
|
||||
| show | Giardia, Cryptosporidium
🗑
|
||||
| show | removing suspended matter and chlorine resistant microorganisms
🗑
|
||||
| show | Rapid Sand Filter
🗑
|
||||
| Rapid Sand Filter media | show 🗑
|
||||
| Backwashing | show 🗑
|
||||
| A filter must be backwashed when head loss is | show 🗑
|
||||
| Head | show 🗑
|
||||
| Quality water has low amounts of 5 things. What are they? | show 🗑
|
||||
| Pretreatment includes 7 processes. What are they? | show 🗑
|
||||
| These two things are used to control Algae Blooms | show 🗑
|
||||
| What is the Copper sulfate dosage range for Algae Bloom control | show 🗑
|
||||
| The most effective treatment for taste and odor | show 🗑
|
||||
| show | Lime and soda ash
🗑
|
||||
| the process of Coagulation and flocculation is | show 🗑
|
||||
| floc must be allowed to settle in | show 🗑
|
||||
| show | 6 hours
🗑
|
||||
| show | floc weight, floc size, floc shape, water temperature, detention time, water velocity, short circuiting
🗑
|
||||
| show | 30 to 50%
🗑
|
||||
| show | mud balls
🗑
|
||||
| show | proper backwashing
🗑
|
||||
| List 4 chemicals commonly used in disinfection | show 🗑
|
||||
| Disinfection destroys disease-causing microorganisms called | show 🗑
|
||||
| Most Microorganisms ___________ pathogens. (are, are not) | show 🗑
|
||||
| show | sterilization
🗑
|
||||
| Sterilization kills what microorganisms? | show 🗑
|
||||
| show | necessary
🗑
|
||||
| show | intestines
🗑
|
||||
| show | intestines of infected people
🗑
|
||||
| show | infected
🗑
|
||||
| show | Diseases transmitted by unsafe water
🗑
|
||||
| Common Intestinal disorders related to waterborne diseases (11 names) | show 🗑
|
||||
| show | Microorganisms that indicate that the water may contain pathogens; The total coliform group of bacteria
🗑
|
||||
| Are Indicator Microorganisms pathogens? | show 🗑
|
||||
| What type of organisms do we test for? | show 🗑
|
||||
| show | fecal and non-fecal coliform
🗑
|
||||
| show | The intestines of Humans and warm-blooded animals
🗑
|
||||
| show | in the soil
🗑
|
||||
| The most specific indicator of intestinal contamination | show 🗑
|
||||
| Fecal Coliform in a sample indicates that | show 🗑
|
||||
| When fecal coliform is found in a sample there is ______________ of disease | show 🗑
|
||||
| show | Alarming
🗑
|
||||
| show | Alarming
🗑
|
||||
| show | Representative
🗑
|
||||
| show | sterile containers.
🗑
|
||||
| show | They must not be contaminated.
🗑
|
||||
| show | Positive
Negative
Unsuitable for Analysis
🗑
|
||||
| show | coliform was found
🗑
|
||||
| show | coliform was not found
🗑
|
||||
| show | 1. Determine the number of samples required; 2. Develop a written sample-siting plan; 3. Obtain Sample Containers
🗑
|
||||
| Steps 4 through 7 of the Bacteriological Sample Collection Process (there are a total of 10) | show 🗑
|
||||
| show | 8. Fill the sample container; 9. Fill out the form; 10. Send the sample and form to the laboratory
🗑
|
||||
| show | the population served (number of people); State and federal Agencies
🗑
|
||||
| show | samples are taken from active Representative services
🗑
|
||||
| Sample Containers must be | show 🗑
|
||||
| show | sodium thiosulfate
🗑
|
||||
| show | chlorine residual
🗑
|
||||
| show | Sanitary; no overhanging plants; no insect nests; no leaky faucets
🗑
|
||||
| To flush the service line you: | show 🗑
|
||||
| show | Until the water coming out is from the main line
🗑
|
||||
| How do you know when you are finished flushing the service line? | show 🗑
|
||||
| How do you disinfect a faucet that you are going to collect a water sample from? | show 🗑
|
||||
| show | Alcohol; Hydrogen peroxide; Bleach; Allow extra contact time
🗑
|
||||
| show | to a pencil-sized stream of water
🗑
|
||||
| How much water goes into a sample container? | show 🗑
|
||||
| show | The lab will reject it
🗑
|
||||
| show | touch the inside of the container or cap
🗑
|
||||
| show | 6 months
🗑
|
||||
| When filling out a sample collection form the form must be filled out | show 🗑
|
||||
| A sample must be received by the lab within: | show 🗑
|
||||
| If a sample is not received by the lab within 30 hours | show 🗑
|
||||
| show | cooled using ice
🗑
|
||||
| Repeat Samples are taken when | show 🗑
|
||||
| The number of repeat samples needed is determined by | show 🗑
|
||||
| Positive samples may be removed from your record (yes, no) | show 🗑
|
||||
| A positive sample may be removed from your record when | show 🗑
|
||||
| Repeat samples that are removed from your record are not | show 🗑
|
||||
| Repeat samples are used to determine this type of compliance | show 🗑
|
||||
| MCL | show 🗑
|
||||
| show | Take a total of 3 samples all on the same day; repeat the process for 4 consecutive days
🗑
|
||||
| Repeat samples are taken at 3 different locations. Name them. | show 🗑
|
||||
| show | required routine or repeat samples are not submitted
🗑
|
||||
| An ACUTE Risk violation occurs when any of these 3 things occur | show 🗑
|
||||
| A NON-ACUTE Risk violation occurs when | show 🗑
|
||||
| Before notifying the public about a violation you | show 🗑
|
||||
| show | 1. Telephone TCEQ immediately; 2. Notify the public within 72 hours
🗑
|
||||
| show | 72 hours
🗑
|
||||
| In the case of an Acute Violation, the public should be notified by these two types of media | show 🗑
|
||||
| In the case of an Acute Violation, the notification must include the words | show 🗑
|
||||
| Non-Acute Violation Notification Procedure | show 🗑
|
||||
| show | Mail or Newspaper
🗑
|
||||
| show | "Possible Health Concern"
🗑
|
||||
| show | low distribution pressure; Water outages; Repeated unacceptable microbiological samples; Failure to maintain adequate chlorine residuals
🗑
|
||||
| show | the production of potable water
🗑
|
||||
| show | Chlorination facilities
🗑
|
||||
| show | 20 psi
🗑
|
||||
| show | in storage; being transported through the system
🗑
|
||||
| To be effective in drinking water chlorine must be | show 🗑
|
||||
| show | Liquid Bleach
🗑
|
||||
| Sodium hypochlorite is produced by | show 🗑
|
||||
| show | SMALL water systems
🗑
|
||||
| show | NSF
🗑
|
||||
| NSF | show 🗑
|
||||
| show | Liquid Chlorine
🗑
|
||||
| Liquid Chlorine is | show 🗑
|
||||
| show | granular and power
🗑
|
||||
| Calcium Hypochlorite is produced by | show 🗑
|
||||
| show | SMALL water systems
🗑
|
||||
| show | NSF
🗑
|
||||
| Calcium Hypochlorite is a | show 🗑
|
||||
| show | it contacts oil; contacts organic material; gets too hot
🗑
|
||||
| show | a cool place
🗑
|
||||
| show | Greenish-Yellow gas
🗑
|
||||
| show | pungent odor
🗑
|
||||
| Pure Chlorine at room-temperature weighs | show 🗑
|
||||
| Pure Chlorine at room-temperature is __________ to living things | show 🗑
|
||||
| show | Corrosive; a strong oxidizer; does not burn
🗑
|
||||
| show | Reddish-yellow (amber) color
🗑
|
||||
| The chemical symbol for Chlorine is | show 🗑
|
||||
| Name 3 Common Chlorine shipping containers | show 🗑
|
||||
| Chlorine withdrawal Maximums for 150lb Cylinders using vacuum transmission | show 🗑
|
||||
| Chlorine withdrawal Maximums for 150lb Cylinders using pressure transmission | show 🗑
|
||||
| Chlorine withdrawal Maximums for Ton Containers using vacuum transmission | show 🗑
|
||||
| Chlorine withdrawal Maximums for Ton Containers using pressure transmission | show 🗑
|
||||
| show | 50% greater than the highest expected dosage
🗑
|
||||
| show | small plants (water systems)
🗑
|
||||
| show | Mixing tank; Water; Chemical pump
🗑
|
||||
| show | Sodium hypochlorite OR Calcium hypochlorite
🗑
|
||||
| This type of Chlorination is typically used in large plants (water systems) | show 🗑
|
||||
| show | the top of the tank
🗑
|
||||
| show | from the top of the cylinder
🗑
|
||||
| A Cylinder apparatus inlet valve allows | show 🗑
|
||||
| A rotameter does this | show 🗑
|
||||
| A rotameter measures gas in | show 🗑
|
||||
| A cylinder ejector allows this | show 🗑
|
||||
| Dosage | show 🗑
|
||||
| show | mg/L or ppm
🗑
|
||||
| show | Parts per million
🗑
|
||||
| Demand | show 🗑
|
||||
| Residual | show 🗑
|
||||
| show | Dosage = Demand + Residual
🗑
|
||||
| show | Chemically uncombined
🗑
|
||||
| show | Chloramine
🗑
|
||||
| show | Chlorine combined with Ammonia
🗑
|
||||
| show | Total Residual = Free Chlorine Residual + Chloramine (combined chlorine) residual
🗑
|
||||
| Minimum Free Chlorine Residual | show 🗑
|
||||
| show | 0.5 mg/L
🗑
|
||||
| Chloramine is measured as | show 🗑
|
||||
| show | taste and odor
🗑
|
||||
| Which is stronger: Chloramine or Free Chlorine | show 🗑
|
||||
| Which is more reactive: Chloramine or Free Chlorine | show 🗑
|
||||
| show | Chloramine
🗑
|
||||
| show | Trihalomethanes or Haloacetic Acids
🗑
|
||||
| show | 4 mg/L
🗑
|
||||
| Maximum Chloramine Residual | show 🗑
|
||||
| show | DPD
🗑
|
||||
| show | mg/L
🗑
|
||||
| show | It reacts with Chlorine and turns the water pink
🗑
|
||||
| show | Colorimeter; Bench top Spectrophotometer; Titration (multiple types)
🗑
|
||||
| show | Hydrochloric (HCL) Acid; Hyperchlorous(HOCL) Acid
🗑
|
||||
| HCL | show 🗑
|
||||
| HOCL | show 🗑
|
||||
| Hydrochloric (HCL) Acid AND Hyperchlorous(HOCL) Acid ARE | show 🗑
|
||||
| show | Demand
🗑
|
||||
| show | Matter that reacts with chlorine
🗑
|
||||
| What kind of matter is a reducing agent? | show 🗑
|
||||
| The result of Reducing Agent reactions is | show 🗑
|
||||
| show | the nose and throat
🗑
|
||||
| show | coughing and Tissue damage
🗑
|
||||
| Heavy Exposure to Chlorine can be | show 🗑
|
||||
| show | Ammonia; Iron; Manganese; Hydrogen Sulfide; Bacteria; Organic Compounds
🗑
|
||||
| show | Self-Contained Breathing Apparatus
🗑
|
||||
| show | readily available; Stored away from the Chlorinator room; inspected regularly
🗑
|
||||
| Disinfection Equipment Capacity must be how much? | show 🗑
|
||||
| Chlorinator Rooms -- Housing must be | show 🗑
|
||||
| Chlorinator equipment and Chlorine Containers must be stored | show 🗑
|
||||
| show | High level and Low level screened vents
🗑
|
||||
| Chlorinator Rooms with more than 1 open 150lb cylinder must have | show 🗑
|
||||
| show | vents; fan
🗑
|
||||
| show | outside the room
🗑
|
||||
| show | between 50 and 140 degrees
🗑
|
||||
| show | 160 degrees
🗑
|
||||
| EPA Chemical Risk Management Requirements apply to what entities | show 🗑
|
||||
| show | a 1 Ton Container (or more)of Chlorine or Ammonia is within a 1/4 mile of a residential or higher development
🗑
|
||||
| show | have a Chemical Risk Management Program
🗑
|
||||
| You must have this when TCEQ Chemical Risk Management Requirements apply to you | show 🗑
|
||||
| To detect a Chlorine leak | show 🗑
|
||||
| show | ammonium chloride will appear as white smoke
🗑
|
||||
| Before entering a room that contains Chlorine Gas 5 the employee should...(there are 5) | show 🗑
|
||||
| show | the Supplier
🗑
|
||||
| If you encounter chlorine do these 4 things | show 🗑
|
||||
| show | Chlorine Dioxide; Ultraviolet Light; Ozone
🗑
|
||||
| show | Bringing Water into contact with air
🗑
|
||||
| Alum | show 🗑
|
||||
| Maximum Chlorine level when water is going from the water system to a ground source | show 🗑
|
||||
| Storage Facilities equalize _______________ on the water supply | show 🗑
|
||||
| Storage fills when demand is | show 🗑
|
||||
| show | peak
🗑
|
||||
| Storage provides for these three things | show 🗑
|
||||
| show | reinforced concrete or steel
🗑
|
||||
| Storage's place in the treatment and distribution process is | show 🗑
|
||||
| show | Ground storage at a surface water treatment plant receiving the treated water
🗑
|
||||
| show | Screened Vents; Locked Hatches; A dust proof cover; Overflows with hinged flaps and entry ports
🗑
|
||||
| Screened vents are made of | show 🗑
|
||||
| The size of mesh on storage tank screened vents | show 🗑
|
||||
| show | 1/16"
🗑
|
||||
| The rim of the Storage Tank Entry port must extend at least | show 🗑
|
||||
| the rim of the storage tank entry port must have a lid with this to prevent rain from entering | show 🗑
|
||||
| show | 200 gallons per connection
🗑
|
||||
| Required storage capacity when storage types include more than ground storage | show 🗑
|
||||
| If a storage tank does not have a 30" diameter access opening, it must have | show 🗑
|
||||
| If a storage tank does not have a 30" diameter access opening, you must provide one at this time | show 🗑
|
||||
| A storage tanks access opening should measure | show 🗑
|
||||
| show | AWWA Standards
🗑
|
||||
| Ground Storage: No lead is allowed in the | show 🗑
|
||||
| show | true
🗑
|
||||
| True or False, Ground storage must be disinfected | show 🗑
|
||||
| Coatings that contact potable water must be approved by 1 of these | show 🗑
|
||||
| FDA | show 🗑
|
||||
| show | Water stored at least 80 feet above the highest service connection that provides the state minimum normal operating pressure of 35 psi
🗑
|
||||
| psi | show 🗑
|
||||
| The states minimum normal operating pressure | show 🗑
|
||||
| show | steel
🗑
|
||||
| show | tower
🗑
|
||||
| show | weight and thus pressure
🗑
|
||||
| show | .433
🗑
|
||||
| Elevated storage is required for systems with | show 🗑
|
||||
| show | 100 gallons per connection
🗑
|
||||
| show | ground storage
🗑
|
||||
| show | A tank resting on the ground with a height greater than its diameter and a total height that is higher than 80 feet above the highest service connection
🗑
|
||||
| Storage that is less than 80 feet above the highest service connection | show 🗑
|
||||
| Means of Protecting Storage Tanks from corrosion | show 🗑
|
||||
| show | DC current travels through strips of aluminum or other metal suspended in the tank, then through the water. This electroplates the walls above the waterline
🗑
|
||||
| show | is not
🗑
|
||||
| Ownership Signs must be at | show 🗑
|
||||
| Ownership signs must include | show 🗑
|
||||
| Grounds and Landscaping must have | show 🗑
|
||||
| show | away from the tower or tank
🗑
|
||||
| show | flush to the ground (no gap between it and the ground)
🗑
|
||||
| If a tank is wholly or partially underground it cannot be near potential contaminants, including: | show 🗑
|
||||
| These must be prevented from entering storage tanks | show 🗑
|
||||
| show | disinfected
🗑
|
||||
| This must be done after a storage tank is filled (after construction or maintenance) | show 🗑
|
||||
| The results of a bacteriological sample from a newly filled tank is in if it is positive what is done | show 🗑
|
||||
| show | the tank is put into service
🗑
|
||||
| show | water mains; service lines; meters; valves; hydrants; pressure booster stations
🗑
|
||||
| show | water quality; quantity of water; pressure; fire protection
🗑
|
||||
| Critical safeguards for distribution systems | show 🗑
|
||||
| Pressure requirements are important because | show 🗑
|
||||
| show | 20 psi even in emergencies; 35 psi during normal operations
🗑
|
||||
| show | Pounds per Square Inch
🗑
|
||||
| Distribution system components must meet these specifications | show 🗑
|
||||
| show | the taste, odor or quality of water
🗑
|
||||
| show | Ductile iron; cast iron; steel; (AC)asbestos-cement; Concrete; PVC; copper
🗑
|
||||
| show | not allowed for new construction in potable water systems
🗑
|
||||
| show | polyvinyl chloride
🗑
|
||||
| PVC must be approve by and have | show 🗑
|
||||
| show | American Society for Testing and Material
🗑
|
||||
| show | No pipe used for any purpose other than drinking water may be used in a potable supply
🗑
|
||||
| Pipe selection is based on | show 🗑
|
||||
| Lead limit on pipe and fittings | show 🗑
|
||||
| Lead limit on solders and flux | show 🗑
|
||||
| Types of pipe joints may be | show 🗑
|
||||
| show | prevent bacterial growth
🗑
|
||||
| The most common type of isolating valve | show 🗑
|
||||
| this type of valve is used to turn off sections of a system / main | show 🗑
|
||||
| show | globe, diaphragm, rotary
🗑
|
||||
| controlling valves regulate | show 🗑
|
||||
| important uses for fire hydrants | show 🗑
|
||||
| show | taste, odor, red water, dirty water
🗑
|
||||
| show | water flow into and out of treatment plants, into the distribution system; to customers
🗑
|
||||
| types of water meters | show 🗑
|
||||
| show | positive displacement meter
🗑
|
||||
| This type of meter is very accurate at low flow | show 🗑
|
||||
| a positive displacement meter cannot over-register due to | show 🗑
|
||||
| show | Water flows through the meter chamber which cases a disk inside to wobble. The wobbling disk causes a spindle and magnet to rotate. The rotation of the magnet is transmitted through the wall of the meter to a second meter. That operates the register.
🗑
|
||||
| show | 9
🗑
|
||||
| Distances from mains are measured from | show 🗑
|
||||
| show | laid in separate ditches
🗑
|
||||
| show | the piece of pipe material cut from a main when a tap is made.
🗑
|
||||
| show | at least 18 inches wide; 12 inches wider than the pipe diameter
🗑
|
||||
| The depth that a main is buried depends on | show 🗑
|
||||
| show | 30 to 60 inches below the ground; the top of the pipe must have at least 24 inches of cover
🗑
|
||||
| show | the valve that connects the service line to the main. It is buried when the hole is backfilled.
🗑
|
||||
| show | it cannot be operated from the ground's surface, because it is buried under ground
🗑
|
||||
| show | the valve that connects the service line to the meter
🗑
|
||||
| operation of a curb stop or meter stop valve | show 🗑
|
||||
| Cave-ins are likely when | show 🗑
|
||||
| shoring | show 🗑
|
||||
| inspect shoring when | show 🗑
|
||||
| show | stop work; correct the problem
🗑
|
||||
| show | The degree of slope that overcomes collapsing pressure
🗑
|
||||
| The Maximum Allowable slope is determined by | show 🗑
|
||||
| shoring is not necessary if the walls are | show 🗑
|
||||
| show | another name for maximum allowable slope
🗑
|
||||
| Spoil banks must be this far from an excavation | show 🗑
|
||||
| These may be used instead of shoring or sloping | show 🗑
|
||||
| show | stay inside of the box
🗑
|
||||
| Pipe must be bedded with | show 🗑
|
||||
| This is required whenever a water line changes direction | show 🗑
|
||||
| show | internal thrust
🗑
|
||||
| show | almost 1700 lbs (pounds)
🗑
|
||||
| As a pipe goes into the trench you need to swab it with | show 🗑
|
||||
| show | open end.
🗑
|
||||
| Close laid pipe with | show 🗑
|
||||
| Items that must be disinfected before returning them to service | show 🗑
|
||||
| show | 50mg/L or more of chlorine for at least 24 hours
🗑
|
||||
| show | 500mg/L for 30 minutes
🗑
|
||||
| show | add 1 teaspoon(t)of Sodium Hypochlorite at the TAP end and at the METER at the end marked "IN"
🗑
|
||||
| show | flush the line
🗑
|
||||
| show | negative bacteriological samples; 1 for each 1000 feet of main
🗑
|
||||
| show | once a month
🗑
|
||||
| show | slime and scale build up; red water complaints
🗑
|
||||
| Flushing of dead end mains brings in | show 🗑
|
||||
| show | chlorine-reducing materials
🗑
|
||||
| Pressure surges are caused by | show 🗑
|
||||
| Pressure surges can result in | show 🗑
|
||||
| show | closing a hydrant valve too fast
🗑
|
||||
| show | water hammer
🗑
|
||||
| tuberculation | show 🗑
|
||||
| scale | show 🗑
|
||||
| show | high-pressure water; pigs or swabs; chemicals
🗑
|
||||
| show | the dissolving of metal
🗑
|
||||
| show | pipes and water tanks
🗑
|
||||
| show | rust color; taste problems
🗑
|
||||
| Corrosion may cause water to contain | show 🗑
|
||||
| show | low Ph; dissolved oxygen; dissolved salts; free chlorine; low hardness; high velocity; high temperature; low alkalinity; sulfate reducing bacteria
🗑
|
||||
| show | iron bacteria
🗑
|
||||
| show | pipe with protective linings or coatings in the inside; install anodes in storage tanks; eliminate different metals that cause galvanic corrosion; treat the water with chemicals
🗑
|
||||
| show | different metals such as copper and steel are connected
🗑
|
||||
| show | separating different types of metal with an dielectric (non-conducting)material
🗑
|
||||
| dielectric | show 🗑
|
||||
| show | tools; repair materials; maps of the distribution system; pipe location equipment; safety equipment; traffic control devices; first aid supplies
🗑
|
||||
| show | backhoes; pumps; air compressors
🗑
|
||||
| show | excavate below the pipe on both sides; dig one side deeper than the other; keep ditch water out of the line
🗑
|
||||
| show | doing a repair without turning off the water/valves
🗑
|
||||
| Hot repairs are preferable because | show 🗑
|
||||
| show | no service interruption; reduced risk of contamination; reduces air in the main; ensures the repair holds under service
🗑
|
||||
| after completing the repair the clean-up process is important to | show 🗑
|
||||
| show | REPLACE (paving, sidewalks & driveways); RESTORE (lawns, trees, shrubs); NEVER (promise residents what is not utility policy)
🗑
|
||||
| Cross Connection | show 🗑
|
||||
| show | bottom connections to stock tanks; lawn-sprinkling systems; faulty pump installations; piping from a private well connected to a house with city water; pump priming
🗑
|
||||
| show | potable and unknown water supplies
🗑
|
||||
| show | air gap
🗑
|
||||
| show | air gap
🗑
|
||||
| show | in certain situations; if properly located, maintained, & inspected
🗑
|
||||
| show | AWWA
🗑
|
||||
| show | atmospheric vacuum breaker; double check valve assemblies; reduced pressure devices
🗑
|
||||
| show | Alert personnel; check communications; fill gasoline tanks; check emergency equipment; fill storage tanks; isolate elevated storage; restock repair clams; restock calcium hypochlorite; review emergency procedures
🗑
|
||||
| show | centrifugal pump
🗑
|
||||
| Volute | show 🗑
|
||||
| show | atmospheric pressure (suction lift) or Weight of the water (suction head)
🗑
|
||||
| type of pump used in water wells | show 🗑
|
||||
| show | water or oil
🗑
|
||||
| show | the water line is on
🗑
|
||||
| factors that impact centrifugal pump selection | show 🗑
|
||||
| Normal Pumping rate unit of measure | show 🗑
|
||||
| show | million gallons per day
🗑
|
||||
| head | show 🗑
|
||||
| show | feet or psi
🗑
|
||||
| show | pounds per square inch
🗑
|
||||
| static head | show 🗑
|
||||
| Dynamic head | show 🗑
|
||||
| show | The vertical distance that water is raised from a supply to the pump's centerline
🗑
|
||||
| show | The vertical distance that the water supply is above the pump's centerline
🗑
|
||||
| show | The vertical distance between the water supply and the free discharge
🗑
|
||||
| show | The force needed to overcome resistance in pipe and fittings
🗑
|
||||
| show | Total Dynamic Head = Total Static Head - Friction Head
🗑
|
||||
| show | check the pumps efficiency periodically by measuring the pumps performance against the manufacturer's specifications
🗑
|
||||
| show | decreases
🗑
|
||||
| show | high suction lift; worn impellers; clogged impellers; high discharge head
🗑
|
||||
| show | good employee morale
🗑
|
||||
| show | clean
🗑
|
||||
| show | painted
🗑
|
||||
| When a pump is installed Gate Valves must be installed | show 🗑
|
||||
| show | in the discharge line
🗑
|
||||
| show | to prevent water from flowing backwards
🗑
|
||||
| show | Gate Valve
🗑
|
||||
| show | Check Valve
🗑
|
||||
| Common pump problems | show 🗑
|
||||
| A pump turning backward can cause | show 🗑
|
||||
| Name 3 things that can prevent a pump from turning backward | show 🗑
|
||||
| Cavitation occurs where in a pump | show 🗑
|
||||
| Cavitation in a pump is caused by | show 🗑
|
||||
| show | vacuum
🗑
|
||||
| show | water vapor bubbles
🗑
|
||||
| show | collapse and cause a mechanical chock
🗑
|
||||
| show | chips metal away from the impeller or casing
🗑
|
||||
| show | pressure surges (closing a hydrant or valve to fast, turning off a pump to fast)
🗑
|
||||
| Pump sanitation protects pumps from | show 🗑
|
||||
| Do not lay suction lines in | show 🗑
|
||||
| maintain this on a pump whenever possible to prevent a vacuum from occurring | show 🗑
|
||||
| show | electric (electric motors)
🗑
|
||||
| The most common type of pump motor | show 🗑
|
||||
| show | Synchronous motor
🗑
|
||||
| This prevents a pump motor from overheating | show 🗑
|
||||
| clean motors prevent | show 🗑
|
||||
| show | voltage; connections; bearings; motor ventilation; short cycling; overload prevention
🗑
|
||||
| Motor controls should be kept free of this | show 🗑
|
||||
| show | insulating mats
🗑
|
||||
| Chlorine limit for water that is going on a watershed | show 🗑
|
||||
| show | dangerous
🗑
|
||||
| show | caused and do not just happen
🗑
|
||||
| show | unsafe acts of the person injured or someone else
🗑
|
||||
| show | attitude & training
🗑
|
||||
| show | chemicals; high voltage; traffic; excavations; deep water; animal bites; confined spaces
🗑
|
||||
| show | OSHA
🗑
|
||||
| show | Occupational Safety and Health Act
🗑
|
||||
| OSHA regulates (makes rules for) | show 🗑
|
||||
| OSHA is a (federal, state) law? | show 🗑
|
||||
| show | industrial, manufacturing, private businesses
🗑
|
||||
| show | state entities, municipal entities, public schools, most federal employers
🗑
|
||||
| Entities that are not required to follow OSHA have this | show 🗑
|
||||
| show | OSHA as guidelines for their safety program
🗑
|
||||
| show | Texas Hazard Communication Act
🗑
|
||||
| show | the Right to Know Law
🗑
|
||||
| The Texas Hazard Communication Act defines the rules for | show 🗑
|
||||
| show | State, county, municipal
🗑
|
||||
| show | Hazardous chemicals that are in the workplace
🗑
|
||||
| show | Employees must have access to MSDSs
🗑
|
||||
| show | Material Safety Data Sheet
🗑
|
||||
| show | hazardous product information
🗑
|
||||
| show | the manufacturer
🗑
|
||||
| show | product hazards; precautions
🗑
|
||||
| show | Everyone
🗑
|
||||
| show | the top official
🗑
|
||||
| show | all employees
🗑
|
||||
| show | fail
🗑
|
||||
| Elements of a safety program | show 🗑
|
||||
| Where to get information about setting up a safety program | show 🗑
|
||||
| Hazards that are especially dangerous to water utility operators | show 🗑
|
||||
| Definition of Confined Space Entry | show 🗑
|
||||
| show | Hazardous Atmospheres (bad air); engulfment; chemical; mechanical; electrical; biological; radiological
🗑
|
||||
| show | lack of oxygen
🗑
|
||||
| Combustible (explosive) gases | show 🗑
|
||||
| show | hydrogen sulfide; carbon monoxide
🗑
|
||||
| Toxic gases are monitored with a | show 🗑
|
||||
| show | sense of smell; sense of sight; cockroaches
🗑
|
||||
| When identifying gases use a | show 🗑
|
||||
| When identifying gases check 1st for | show 🗑
|
||||
| show | Combustibles
🗑
|
||||
| show | toxins
🗑
|
||||
| show | 19.57 to 21.5
🗑
|
||||
| Employers are responsible for evaluating confined spaces. They must... | show 🗑
|
||||
| After evaluation, confined spaces are designated as | show 🗑
|
||||
| When entering a permit required space personnel must | show 🗑
|
||||
| if a potable ladder or stars are not used in an elevated space you must use an | show 🗑
|
||||
| when a vertical entry of 5 feet or more is made the retrieval line must be | show 🗑
|
||||
| A mechanical retrieval device must be attached to the retrieval line when entering | show 🗑
|
||||
| show | non-entry rescue
🗑
|
||||
| show | trained in confined space rescue; available before an entry occurs; able to respond in an appropriate amount of time
🗑
|
||||
| Confined space rescuers do no have to be | show 🗑
|
||||
| show | cave-ins
🗑
|
||||
| show | 5 feet or more
🗑
|
||||
| show | shoring; shielding; sloping
🗑
|
||||
| show | bottom of the hole
🗑
|
||||
| Shoring | show 🗑
|
||||
| When shields or trench boxes are use workers must stay | show 🗑
|
||||
| show | prevent a cave-in
🗑
|
||||
| Benching | show 🗑
|
||||
| show | Cuts trench walls to the angle that overcomes collapsing pressure
🗑
|
||||
| Another word for Maximum allowable slope | show 🗑
|
||||
| The maximum allowable slope is determined by | show 🗑
|
||||
| show | 34 degrees or 1 1/2 : 1 horizontal run to vertical rise
🗑
|
||||
| OSHA's maximum allowable slope for Type B soil | show 🗑
|
||||
| show | 34 degrees or 3/4:1 horizontal run to vertical rise
🗑
|
||||
| OSHA's maximum allowable slope for Stable Rock | show 🗑
|
||||
| Trench exits are required for a depth of | show 🗑
|
||||
| show | ramps or ladders
🗑
|
||||
| show | extend at least 3 feet above the top of the excavation; be secured; be within 25 feet laterally (side to side) of anyone in the excavation
🗑
|
||||
| Components of the Texas Hazard Communication Act | show 🗑
|
||||
| The official name of the Right to Know law | show 🗑
|
||||
| Most work area accidents on streets and highways are caused by | show 🗑
|
||||
| Traffic control must not do this to motorists | show 🗑
|
||||
| show | Texas Manual on Uniform Traffic Control Devices
🗑
|
||||
| show | Texas Department of Transportation in Austin
🗑
|
||||
| show | 8.34 pounds
🗑
|
||||
| 1 cubic foot = ? gallons | show 🗑
|
||||
| show | 2.31 feet
🗑
|
||||
| show | .433 psi
🗑
|
||||
| show | 5280
🗑
|
||||
| 1 day (24 hours) = ? minutes | show 🗑
|
||||
| show | million gallons per day
🗑
|
||||
| show | gallons per day
🗑
|
||||
| gpm | show 🗑
|
||||
| How much does a gallon of water weigh? | show 🗑
|
||||
| show | 27
🗑
|
||||
| How many gallons are in a cubic foot? | show 🗑
|
||||
| show | 5280
🗑
|
||||
| show | 2.31
🗑
|
||||
| How many minutes are in a day? | show 🗑
|
||||
| What is the psi for 1 foot of water column? | show 🗑
|
||||
| What is the formula for the area of a rectangle? | show 🗑
|
||||
| show | distance around a circle
🗑
|
||||
| Define "Diameter" | show 🗑
|
||||
| show | have the diameter of a circle
🗑
|
||||
| show | inches, feet, yards, or miles
🗑
|
||||
| formula for the area of a circle | show 🗑
|
||||
| show | = length * width * depth
🗑
|
||||
| the result of a volume calculation is expressed in | show 🗑
|
||||
| Formula for the volume of a cylinder | show 🗑
|
||||
| The volume of an object in gallons | show 🗑
|
||||
| The quick way to convert from gpd to mgd | show 🗑
|
||||
| the quick way to convert from mgd to gpd | show 🗑
|
||||
| show | convert gpm to gpd then convert gpd to mgd
🗑
|
||||
| how do you convert from mgd to gpm | show 🗑
|
||||
| show | divide the gpm by 1440; gpm/1440
🗑
|
||||
| show | multiply the gpd by 1440/gpd*1440
🗑
|
||||
| volume is expressed AS | show 🗑
|
||||
| show | squared units
🗑
|
||||
| A "community" water system is described as? | show 🗑
|
||||
| show | A public system that regularly serves at least 25 of the same persons more than 6 months of the year.
🗑
|
||||
| NTNCWS | show 🗑
|
||||
| The hydrologic cycle is? | show 🗑
|
||||
| show | slightly acidic
🗑
|
||||
| show | slightly Basic
🗑
|
||||
| show | Casing and Cementing
🗑
|
||||
| water softening removes | show 🗑
|
||||
| show | adding lime or by exchanging ions (an atom or group of atoms)
🗑
|
||||
| show | aeration, screening, chemical oxidation, coagulation, flocculation, sedimentation, filtration and disinfection
🗑
|
||||
| show | Chemicals are mixed with the water in a rapid mix zone. The chemicals cause particles in the water to clot together or coagulate to form floc.
🗑
|
||||
| show | Chloramine
🗑
|
||||
| chlorine leaks should be repaired in this amount of time | show 🗑
|
||||
| the chlorine institute's recommendation when using ammonia to locate chlorine leaks | show 🗑
|
||||
| show | are not
🗑
|
||||
| The preferred method of preventing cross connections is | show 🗑
|
||||
| The only method approved by the TCEQ for protection against a sewage cross connection is the: | show 🗑
|
||||
| show | Administration of Occupational Licenses and Registrations.
🗑
|
||||
| A Class D Water Operator License is valid for how long? | show 🗑
|
||||
| A Class C Water Operator License is valid for how long? | show 🗑
|
||||
| The most important responsibility of Water Utility personnel is to | show 🗑
|
||||
| show | Ground water systems with less than 250 connections
🗑
|
||||
| show | Positive Displacement Meter
🗑
|
||||
| show | GPM (gallons per minute)
🗑
|
||||
| show | disease causing organisms
🗑
|
||||
| When an MCL is exceeded what is required by the Federal Safe Drinking Water Act? | show 🗑
|
||||
| show | the Federal Safe Drinking Water Act
🗑
|
||||
| public notification is required by the Federal Safe Drinking Water Act when | show 🗑
|
||||
| Flocculation helps to | show 🗑
|
||||
| show | Sets MCLs for drinking water
🗑
|
||||
| Groundwater occurs below the earth's surface in water-bearing formations called: | show 🗑
|
||||
| show | 50 feet
🗑
|
||||
| Watershed | show 🗑
|
||||
| A water system is required to have ground storage if | show 🗑
|
||||
| show | hydropneumatic tanks; cylindrical and horizontal to the ground; Air mechanically compressed against the water surface provides pressure
🗑
|
||||
| A water system without ground storage must have a pressure tank capacity of | show 🗑
|
||||
| show | a pressure tank capacity of 20 gallons per connection, or elevated storage.
🗑
|
||||
| show | yearly
🗑
|
||||
| The exterior and interior of ground, elevated, standpipe and pressure tanks must be inspected by who? | show 🗑
|
||||
| show | documented
🗑
|
||||
| show | at least 5 years
🗑
|
||||
| show | corrosion protection
🗑
|
||||
| show | AWWA
🗑
|
||||
| show | contaminated water from being drawn into the system.
🗑
|
||||
| Lead limits for pipe and fittings | show 🗑
|
||||
| Lead limits for solders and flux | show 🗑
|
||||
| show | 9 feet
🗑
|
||||
| show | the outside surface of the pipe
🗑
|
||||
| show | in separate ditches
🗑
|
||||
| An important part of public relations is to | show 🗑
|
||||
| show | the hydrological cycle
🗑
|
||||
| The Parts of the hydrologic cycle | show 🗑
|
||||
| The presence of these in a system should cause concern | show 🗑
|
||||
| Boat Ramps, Marinas, Docks, Fishing Piers must be this distance away from a water plant intake | show 🗑
|
||||
| show | 200 ft.
🗑
|
||||
| show | Screens & Grates to minimize the amount of debris entering the plant
🗑
|
||||
| fluoridation | show 🗑
|
||||
| show | coagulant
🗑
|
||||
| Aluminum sulfate (alum)- purpose | show 🗑
|
||||
| Ferrous sulfate - purpose | show 🗑
|
||||
| show | coagulant
🗑
|
||||
| Calcium hydroxide (lime) - purpose | show 🗑
|
||||
| Sodium carbonate (soda ash) - purpose | show 🗑
|
||||
| show | Stabilization, prevents red water
🗑
|
||||
| show | algae control
🗑
|
||||
| Polyelectrolytes - purpose | show 🗑
|
||||
| Activated carbon - purpose | show 🗑
|
||||
| show | Fluoride addition, prevents tooth decay
🗑
|
||||
| Public water systems are either | show 🗑
|
||||
| show | 12 inches wider than the pipe
🗑
|
||||
| show | coliform
🗑
|
||||
| show | inlet valve; rotameter; ejector
🗑
|
||||
| square feet is used to describe this type of geometric calculation | show 🗑
|
||||
| show | perimeter
🗑
|
||||
| this type is meter is usually used in low flow situations | show 🗑
|
||||
| pumping rates are usually expressed as | show 🗑
|
||||
| Always put on a self-contained breathing apparatus before | show 🗑
|
||||
| Class 100 pipe | show 🗑
|
||||
| show | 3 repeat samples are taken
🗑
|
||||
| general formula for Detention Time | show 🗑
|
||||
| Detention Time in Days = | show 🗑
|
||||
| Detention time in Hours = | show 🗑
|
||||
| show | capacity in gallons / flow rate in gpm
🗑
|
||||
| show | lbs pure CL2(chlorine) / decimal percentage hypochlorite
🗑
|
||||
| show | mgd * 8.34 * mg/L
🗑
|
||||
| mg/L = | show 🗑
|
||||
| show | Demand + Residual
🗑
|
||||
| Demand = | show 🗑
|
||||
| Residual = | show 🗑
|
||||
| show | Static level + Drawdown
🗑
|
||||
| show | Pumping Level - Drawdown Level
🗑
|
||||
| How do you convert from gpd to gph | show 🗑
|
||||
| show | gph * 24
🗑
|
||||
| How do you convert from gpm to gph | show 🗑
|
||||
| show | gph / 60
🗑
|
||||
| show | gallons per hour
🗑
|
||||
| how do you convert from inches to feet | show 🗑
|
||||
| show | feet * 12
🗑
|
||||
| show | in(2) = in(2)/12(2)
🗑
|
||||
| show | ft(2) = ft(2)* 12(2)
🗑
|
||||
| show | feet/3
🗑
|
||||
| How do you convert from yards to feet | show 🗑
|
||||
| show | feet/5280
🗑
|
||||
| How do to convert from miles to feet | show 🗑
|
||||
| How do you calculate 5 to the 3rd power on a calculator | show 🗑
|
||||
| show | Number of gallons = cubic feet * 7.48
🗑
|
||||
| show | Weight(lbs) = gallons * 8.34
🗑
|
||||
| show | yd(3) = ft(3)/27
🗑
|
||||
| How do you convert cubic yards to cubic feet? | show 🗑
|
||||
| You know: feet above ground(height); You want to know: psi; What is the calculation? | show 🗑
|
||||
| show | height(ft) = pressure(psi) * 2.31
🗑
|
||||
| show | gpm * 1440
🗑
|
||||
| show | dgp/1440
🗑
|
||||
| show | lbs
🗑
|
||||
| How do you convert % to decimal | show 🗑
|
||||
| How do you convert decimal to % | show 🗑
|
||||
| show | How much = known amount * (%/100)
🗑
|
||||
| show | Amount left = starting amount - (starting amount * (%/100); or Amount left = starting amount - How Much
🗑
|
||||
| Under the Surface Water Treatment Rules what NTU must be | show 🗑
|
||||
| Under the Surface Water Treatment Rules systems serving less than 500 persons my reduce turbidity sampling to? | show 🗑
|
||||
| Under the Surface Water Treatment Rules what percent of Giardia cysts must be inactivated or removed? | show 🗑
|
||||
| Under the Surface Water Treatment Rules what percent of viruses must be inactivated or removed? | show 🗑
|
||||
| show | shoe, main valve, traffic coupling, barrel, bonnet or cap, operating nut, pumper nozzle; weep holes
🗑
|
||||
| Volume of a cylinder (tower, anything long and with a circular end) | show 🗑
|
||||
| show | volume = length * width * height;
🗑
|
||||
| area of a circle | show 🗑
|
||||
| Area of a rectangle | show 🗑
|
||||
| show | a meter reader, the repair crew, the pump operator, the highest paid employee, a college graduate.
🗑
|
||||
| What is the acceptable Oxygen Range for confined spaces? | show 🗑
|
||||
| show | 20 to 25
🗑
|
||||
| When planning a collection system you must consider capacity needed ________ years into the future. | show 🗑
|
||||
| show | to protect the system from injurious industrial wastes.
🗑
|
||||
| show | gravity and lift stations
🗑
|
||||
| minimum flow velocity required to keep transported solids in suspension | show 🗑
|
||||
| show | grade, gpm, pip material (c-factor), Pipe diameter
🗑
|
||||
| show | a pipe's coefficient of roughness or rating for interior wall smoothness; (how smooth the interior of the pipe is)
🗑
|
||||
| The smallest diameter pipe allowed for a city main | show 🗑
|
||||
| Primary components of a collection system | show 🗑
|
||||
| who is responsible for installing a house service line? | show 🗑
|
||||
| define service line | show 🗑
|
||||
| show | belongs to the city and is tapped into a submain or main
🗑
|
||||
| show | the line that carries the sewage to treatment
🗑
|
||||
| show | where there may be a stoppage such as between the house line and the city lateral
🗑
|
||||
| how is a cleanout designed to be used | show 🗑
|
||||
| show | personnel entry
🗑
|
||||
| Total Suspended Solids (TSS) can be removed by | show 🗑
|
||||
| Where should grease traps should be installed and inspected | show 🗑
|
||||
| show | car washes and other places where sand is likely to enter the sewer
🗑
|
||||
| purpose of vent pipes | show 🗑
|
||||
| purpose of inverted siphons | show 🗑
|
||||
| the minimum size and grade of a gravity flow sewer line on city right-of-way | show 🗑
|
||||
| show | guard excavations with barricades and warning signs; notify public of any traffic disruptions;
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
tbuckerfield