Water Distribution EXAM BUNDLE(COMPLETE APCKAGE) Questions and Answers 100% Correct!Water Distribution EXAM BUNDLE(COMPLETE APCKAGE) Questions and Answers 100% Correct!Water Distribution EXAM BUNDLE(COMPLETE APCKAGE) Questions and Answers 100% Correct!Water Distribution EXAM BUNDLE(COMPLETE APCK...
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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...
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Add to cartA 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...
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...
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Add to cartWhich 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...
Distribution systems are usually laid out in which of the following patterns besides Tree shaped and Grid designs? a. Loops and/or circular designs b. Vertical designs without backflow prevention devices c. Horizontal lines that flow into open ponds then back into a closed pipe d. Horizontal lin...
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Add to cartDistribution systems are usually laid out in which of the following patterns besides Tree shaped and Grid designs? a. Loops and/or circular designs b. Vertical designs without backflow prevention devices c. Horizontal lines that flow into open ponds then back into a closed pipe d. Horizontal lin...
The only absolutely reliable method of backflow prevention is the use of - ANSWER-Air Gap The bubbles formed in a positive multiple tube fermentation test are - ANSWER-Carbon Dioxide The maximum rate of withdrawal of gas from a 150lb chlorine cylinder in 24-hours is - ANSWER-40 lbs If you e...
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Add to cartThe only absolutely reliable method of backflow prevention is the use of - ANSWER-Air Gap The bubbles formed in a positive multiple tube fermentation test are - ANSWER-Carbon Dioxide The maximum rate of withdrawal of gas from a 150lb chlorine cylinder in 24-hours is - ANSWER-40 lbs If you e...
The minimum and maximum chloride residual in a water distribution system is ? - ANSWER-0.2 mg/l and 4mg/L of free chlorine Nitrate may not exceed what concentration when tested yearly for a groundwater treatment plant ? - ANSWER-10 mg/L The minimum number of total coliform samples that must be...
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Add to cartThe minimum and maximum chloride residual in a water distribution system is ? - ANSWER-0.2 mg/l and 4mg/L of free chlorine Nitrate may not exceed what concentration when tested yearly for a groundwater treatment plant ? - ANSWER-10 mg/L The minimum number of total coliform samples that must be...
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...
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Add to cartWhich 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...
What is the primary purpose of the SDWA? - ANSWER-To create uniform national standards for drinking water quality Who sets Maximum Contaminants Levels (MCLs)? - ANSWER-USEPA What are some of the duties of the EPA? - ANSWER-Sets MCLs, delegates enforcement of SDWA to state agencies, provides gr...
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Add to cartWhat is the primary purpose of the SDWA? - ANSWER-To create uniform national standards for drinking water quality Who sets Maximum Contaminants Levels (MCLs)? - ANSWER-USEPA What are some of the duties of the EPA? - ANSWER-Sets MCLs, delegates enforcement of SDWA to state agencies, provides gr...
What the primary objective of water distribution operators - ANSWER-deliver safe and pleasant drinking water to the consumers what should the distribution operator do if there is a complaint about the water? - ANSWER-record the info and have the problem investigated and notify the person complain...
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Add to cartWhat the primary objective of water distribution operators - ANSWER-deliver safe and pleasant drinking water to the consumers what should the distribution operator do if there is a complaint about the water? - ANSWER-record the info and have the problem investigated and notify the person complain...
A check valve must - ANSWER-Be able to withstand hydraulic shock loads Excessive amounts of iron & manganese in drinking water are objectionable because they - ANSWER-Stain Clothes Check valve important feature(s) must - ANSWER-Must close watertight Routine service calls frequently to a wel...
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Add to cartA check valve must - ANSWER-Be able to withstand hydraulic shock loads Excessive amounts of iron & manganese in drinking water are objectionable because they - ANSWER-Stain Clothes Check valve important feature(s) must - ANSWER-Must close watertight Routine service calls frequently to a wel...
What is the general definition of an ion? An _________ with a positive or negative charge - ANSWER-Atom A continuous positive pressure in a distribution system is essential for preventing what event? - ANSWER-Backflow Event _____________ water pressure must be maintained to ensure adequate cus...
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Add to cartWhat is the general definition of an ion? An _________ with a positive or negative charge - ANSWER-Atom A continuous positive pressure in a distribution system is essential for preventing what event? - ANSWER-Backflow Event _____________ water pressure must be maintained to ensure adequate cus...
A factor or value used to indicate the smoothness of the interior of a pipe - ANSWER-Cfactor Major parts of water distribution - ANSWER-Pipes, storage facilities, pumping stations, valves ,fire hydrants, meters, and other appurtenances Main purpose of water storage facilities - ANSWER-To provi...
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Add to cartA factor or value used to indicate the smoothness of the interior of a pipe - ANSWER-Cfactor Major parts of water distribution - ANSWER-Pipes, storage facilities, pumping stations, valves ,fire hydrants, meters, and other appurtenances Main purpose of water storage facilities - ANSWER-To provi...
What do water distribution system operators have the responsibility for? - ANSWER-The health and well-being of the community they serve Frequently the water supplier tries to maintain specific minimum target __________________ throughput the distribution system. - ANSWER-Water pressure (20 PSI mi...
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Add to cartWhat do water distribution system operators have the responsibility for? - ANSWER-The health and well-being of the community they serve Frequently the water supplier tries to maintain specific minimum target __________________ throughput the distribution system. - ANSWER-Water pressure (20 PSI mi...
Which process converts ammonia to nitrite and nitrate? - ANSWER-Nitrification What is the maximum advisable rate of chlorine gas removal from a 150- pound cylinder? - ANSWER-40 pounds per day What is a type of positive displacement water meter? - ANSWER-Nutating- disk meter What is a power-...
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Add to cartWhich process converts ammonia to nitrite and nitrate? - ANSWER-Nitrification What is the maximum advisable rate of chlorine gas removal from a 150- pound cylinder? - ANSWER-40 pounds per day What is a type of positive displacement water meter? - ANSWER-Nutating- disk meter What is a power-...
The minimum residual water pressure required by the Rules and Regulations for Public Water Systems (30 TAC Chapter 290 subchapter D) is _____. a. 40 psi at all times b. 20 psi under peak demand conditions c. 200 gallons per day 35 psi under peak demand conditions - ANSWER-b. 20 psi under peak de...
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Add to cartThe minimum residual water pressure required by the Rules and Regulations for Public Water Systems (30 TAC Chapter 290 subchapter D) is _____. a. 40 psi at all times b. 20 psi under peak demand conditions c. 200 gallons per day 35 psi under peak demand conditions - ANSWER-b. 20 psi under peak de...
Which process converts ammonia to nitrites and nitrates? - ANSWER-Nitrification What is the maximum advisable rate of chlorine gas removal from a 150-pound cylinder? - ANSWER-40 lbs/day Which of the following is a type of positive displacement water meter? - ANSWER-nutating-disk meter _____...
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Add to cartWhich process converts ammonia to nitrites and nitrates? - ANSWER-Nitrification What is the maximum advisable rate of chlorine gas removal from a 150-pound cylinder? - ANSWER-40 lbs/day Which of the following is a type of positive displacement water meter? - ANSWER-nutating-disk meter _____...
A 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? a. 10 minutes b. 15 minutes c. 30 minutes d. 60 minutes - Answer: b. 15 minutes What is the area of a trench that is 22.4 ft long and 3...
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Add to cartA 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? a. 10 minutes b. 15 minutes c. 30 minutes d. 60 minutes - Answer: b. 15 minutes What is the area of a trench that is 22.4 ft long and 3...
Head is measured in - ANSWER-feet A plat is - ANSWER-A map Which type of valve will prevent the collapse of a pipe - ANSWER-Air-and-vaccume relief valve The highest degree of protection of a coated steel pipe is - ANSWER-cathodic protection At which time of day is the age of the water st...
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Add to cartHead is measured in - ANSWER-feet A plat is - ANSWER-A map Which type of valve will prevent the collapse of a pipe - ANSWER-Air-and-vaccume relief valve The highest degree of protection of a coated steel pipe is - ANSWER-cathodic protection At which time of day is the age of the water st...
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