Water distribution level 3 Exam Bundle

What federal agency is responsible for the rule making and enforcement of the safe water drinking act? - Answer Enviromental protection agency In detecting chlorine gas leaks from the disinfection assembly, an ammonia soaked rag will produce what? - Answer A dense white vapor The chlorine conc...

delivered min. working pressure - Answer 35 PSI RP backflow preventer will stop... - Answer back pressure and back siphon age gate valves have less... - Answer friction loss cavitation is caused by... - Answer excess pump speed hydrant flow - Answer (2.83)(D^2)(l)/(square root of H)=GPM ...

Which device measures the hydrogen ion activity in a solution? - Answer PH Meter What is the purpose of a shaft sleeve in a centrifugal pump? - Answer Protects the sleeve from damage What is a nutating disc - Answer Type of water meter for small diameter domestic service what will happen to...

What is the definition of "operator"? - Answer Operator has the same meaning as certified operator. Within how many days must a certified operator notify the Department (in writing) that the operator either ceases or commences operation of another facility? - Answer 10 days At which type of ...

R.P.P.A. - Answer Reduced pressure principal assembly. Backflow prevention for back siphonage and back pressure. American Public Works Association color codes. White,pink,red,yellow,orange, blue, purple and green - Answer White=proposed excavation Pink=temporary survey markings red=electric po...

A noisy or vibrating valve may be an indication of what? - Answer Cavitation The selective destruction or inactivation of pathogenic organisms is - Answer Disinfection Pathogenic organisms can be removed from water, killed, or inactivated by - Answer Filtration The most commonly used distri...

0.08 ppm - Answer MCL for TTHM's 0.06 ppm - Answer MCL for HAA5's 0.01 ppm - Answer MCL for Arsenic 0.015 ppm - Answer MCL for Lead 90 days - Answer Turbidity meter must be calibrated every: Less than 0.3 for 95% of the time. - Answer MCL for turbidity is 2 buffers - Answer pH me...

Which is not a type of water ? - Answer Apparent Which layer of a lake is considered nutrient poor? - Answer Hypolimnion (Bottom Layer) Copper Sulfate (Blue Stone) is used in lake management to ? - Answer Control Algae Bloom The Surface Water Treatment Rule requires that - Answer 3-log remo...

The most common type of meter used for private homes is...? - Answer A displacement meter. The type of meter that is usually accurate over a wide range of flows is...? - Answer A Compound meter Where the metering of main lines is necessary, a meter must be used that will not interfere with the...

Which is not a type of water right? a. Riparian b. Apparent c. Appropriative d. Prescriptive - Answer Apparent Which layer of a lake is considered "nutrient poor"? a. Epillimnion b. Thermocline c. Hypolimnion d. None of the above - Answer Hypolimnion Copper Sulfate is used in lake ma...

_______ is measured in feet. - Answer Head is measured in feet. It is best to use a __________ type of impeller for pumping water with a low volume of solids. - Answer It is best to use a closed type of impeller for pumping water with a low volume of solids. Atmospheric pressure at sea level i...

What are some physical characteristics of water? - Answer Temperature, turbidity, color, taste, odor What are some chemical characteristics of water? - Answer Hardness, pH, solids, and gases What is turbidity? - Answer the amount of suspended matter, such as clay, silt, organic matter, and mic...

Estimate the abundance of coliform bacteria in water - Answer The Most Probable Number test is a method to Vibrio Vulnifcus - Answer An estuarine bacterium that causes potentially fatal wound infection and is found in raw oysters. If you are immune compromised you are warned not to eat raw oyster...

What is the federal law that protects public water supplies from harmful contaminants? - Answer SDWA Safe Drinking Water Act MCL stands for - Answer Maximum Contaminant Level True or False? Primary regulations are mandatory - Answer TRUE Secondary regulations are about what 3 things? - A...