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Water Distribution Exam Bundle Questions and Answers (RATED A+)

Water Distribution Exam Bundle Questions and Answers (RATED A+)

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WATER DISTRIBUTION Exam Questions and Answers 100% Accurate

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Most of Earth's water is _____. - ANSWER-unsuitable for drinking most of earths freshwater is______ - ANSWER-Stored in glaciers and ice caps most saltwater use is____ - ANSWER-the power generating industry scarcity - ANSWER-state of not having enough of something Groundwater_________ - ...

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Water Distribution Exam Questions and Answers 100% Correct

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To prevent the entry of surface contamination into a well is the purpose of: a. The well casing b. The louvers or slots c. Well development d. The sanitary seal - ANSWER-d) The Sanitary Seal Pure water will exhibit a pH value of? a. 0.0 b. 7.0 c. 10.5 d. 14.0 - ANSWER-b) 7.0 A pH r...

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Water distribution Exam Questions and Answers(Rated A+)

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how can you produce pressurized water? - ANSWER-push inward on the water, using a surface - confine and squeeze it as you push inward on the water - ANSWER-- it pushes outward on you you do work as you pump water into the pipe - ANSWER-work = pressure x volume - the pressurized water carries...

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Water distribution Exam Questions and Answers 100% Solved

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Name three classifications of distribution system layouts - ANSWER-1. arterial loop system 2. grid system 3. tree system Where in the distribution system should shut off valves be? - ANSWER-At regular intervals and at all branches from the arterial main. Also, where mains intersect in a grid , ...

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WATER DISTRIBUTION SYSTEM Exam Questions and Answers(SCORED A+)

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Service Pipe - ANSWER-Pipe from the street water main or other source of water supply to the building served. Water meter - ANSWER-Device used to measure in liters or gallons the amount of water that passes through the water service. Horizontal supply main - ANSWER-The principal water distribu...

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Water Distribution Test Questions With Complete Solutions !!

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Dead ends in a system are usually located on a. Loops and/or circular designs b. Tree shaped and Grid designs c. Oval designs d. transmission mains e. Cul de Sac's with return lines - ANSWER-b. Tree shaped and Grid designs An operator may refer to Piezometric elevation, static head, or pres...

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Water distribution level 3 Exam Questions and Answers Verified By Experts

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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 provide sufficient amount of water to average or equalize the daily demands on the water supply syste...

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Water Distribution Questions Best Graded Answers

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Desalination - ANSWER-A process of removing salt from ocean water Watershed - ANSWER-the land area that drains into a river, stream, or other body of water. River Basin - ANSWER-The entire geographical area drained by a river and its tributaries Tributary - ANSWER-A stream or river that flo...

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Water Distribution Exam Questions and Answers rated 100% Correct

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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 distribution system disinfection is - ANSWER-Free chlorine A greenish- yellow gas w...

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water distribution questions With Accurate Answers

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The number of monthly distribution system bacteriological samples required is - ANSWER-Based on population served what is the maximum contaminant level for total trihalomethanes (TTHM) in the US? - ANSWER-0.080 mg/L under the Surface Water Treatment rule disinfection residuals must be collecte...

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Water Distribution Level 2 .......Questions & Answers Solved Correctly

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Frequently the water supplier tries to maintain specific minimum target __________________ throughput the distribution system. - ANSWER-Water pressure (20 PSI minimum) All trenches and excavations are unsafe until... - ANSWER-Proper shoring, used, and back filled Can the quality of water comin...

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Water Distribution Chapter 1 Questions and Answers Already Graded A+

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As water mains and reservoirs become older, they require less and less maintenance. - ANSWER-False Routine water quality monitoring of distribution systems consists of collecting samples at remote locations in the system and testing for chlorine residual and coli forms - ANSWER-True Existing c...

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WATER DISTRIBUTION SYSTEMS IN BUILDINGS Exam Questions with A+ Grade Answers

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Cold Water Supply of the plumbing system - ANSWER-Also known as Water Distribution System, consists of the piping and fittings which supply cold water from the building water supply to the fixtures, such as lavatories, bathtubs, water closets and kitchen sinks. 1. Water main (street main) 2. (Wa...

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Water distribution practice exam #2 (D1-D2) Questions and Answers 100% Correct

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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-operated mechanism for opening and closing a valve? - ANSWER-Actuator What is ...

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Water Distribution 4 better Exam Questions and Answers 100% Accurate

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Who is ultimately responsible for being sure that your agency has a good record keeping system? - ANSWER-Supervisor Which type of pipe is most likely to be damaged by corrosion? - ANSWER-Steel What is the most important and all inclusive aspect of supervision? - ANSWER-proper utilization of al...

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Water Distribution Exam Questions and Answers

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Polarity of water - ANSWER-water is a polar molecule meaning it has opposite charges on opposite ends. This causes hydrogen bonds to form causing water to stick together. Watershed - ANSWER-An ecosystem where all water runoff drains into a single body of water River Basin/Drainage Basin - ANSW...

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Water distribution practice test D1 /D2 Questions and Answers 100% Verified

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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 encounter a liquid chlorine leak in a one tone container, what action should you take first, t...

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Water distribution system operation and maintenance Exam Questions & Answers

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What do water distribution system operators do with water distribution facilities? - ANSWER-Water distribution system operators make sure water facilities do their intended job. Operators operate, maintain, repair and manage these facilities. List the two major sources of water supplies? - ANSWER...

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Water Distribution Exam Questions and Answers 100% Solved

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All the water on Earth is part of a large system. - ANSWER-Hydrosphere 1. All the water on Earth is part of a large system. 2. On Earth, water occurs in all three phases. - ANSWER-Hydrosphere What percent of water covers Earth's surface. - ANSWER-71% What percent of water on Earth is salt...

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Water distribution 2 Exam Questions and Answers 100%Correct

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Chlorine gas - ANSWER-heavier than air, extremely toxic, very corrosive to damp atmospheres Centrifugal pump - ANSWER-Most common pump, used for high flow, and low pressure applications booster pumps Positive displacement pump - ANSWER-For low flow, high pressure applications. Chemical feed pu...

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Introduction to Water Distribution Systems Exam Questions and Answers Latest Update

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To help prevent tooth decay, public water distribution systems add _____. - ANSWER-fluoride A homeowner is having a well installed in an area where the water table is 30 feet below the surface. The type of well installed will most likely be dug or _____. - ANSWER-driven More gallons per minut...

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Water distribution d1 and d2 good Exam Questions and Answers 100% Accurate

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Cross connection - ANSWER-A connection between a safe and an unsafe water supply is called a Is available for use without causing shortages during dry periods - ANSWER-Safe yield of a water source is the quantity of water which: Rate of flow of water - ANSWER-A Venturi tube increases the veloc...

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Chapter 4 Water Distribution Systems Exam Questions and Answers Newest Version

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compression repair clamps should never be used - ANSWER-underground a water and gas safety valve is designed to - ANSWER-shut off water and gas in the event of a leak a globe valve would best be described as a(n) - ANSWER-throttling valve A ____ valve should be used when water is run to a s...

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WATER DISTRIBUTION SYSTEM Exam Questions and Answers 100% Accurate

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Water (Street) Main - ANSWER-A water supply pipe for public or community, use controlled by public authority. Water Service Pipe - ANSWER-The pipe from the water main, water meter, water supply system. Water Distribution Pipe - ANSWER-A pipe which conveys potable water from the building supply...

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Water Distribution Grade 1 Exam Questions and Answers 100% Correct

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A customer complaint about the presence of brown floc in tap water can best be handled by...? - ANSWER-investigating the problem ASAP. The term "aquifer" refers to what type of water? - ANSWER-Groundwater One indication of corrosive water is a high concentration of...? - ANSWER-Carbon dioxid...

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Water distribution operator Exam Questions and Answers 100% Verified

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evaporation and transpiration - ANSWER-water rises to the atmosphere Transpiration - ANSWER-Evaporation of water from plants Infiltration/percolation - ANSWER-downward movement of water through the soil Aquifer - ANSWER-A body of rock or sediment that stores groundwater and allows the flow ...

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D2 water distribution test Questions and Answers(RATED A+)

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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 grant funds, monitors state activities, provides continued research What is state primacy? - ANSWER-Giving the autho...

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Operator in Training - Water Distribution Exam Questions and Answers (Graded A)

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Which regulation specifies operator training and certification requirements - ANSWER-O.Reg. 128/04 - Certification of Drinking Water System Operators and Water Quality Analysts Which regulations addresses requirements for alarms - ANSWER-O. Reg. 170/03 - Drinking Water systems In case of adver...

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WATER DISTRIBUTION SYSTEM Exam Questions and Answers 100% Correct

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rain water - ANSWER-is soft and pure and is suitable for the hot water supply system rain water - ANSWER-only a source during the wet season; storage becomes a breeding place for mosquitoes; rain water - ANSWER-roof may not be clean natural surface water - ANSWER-obtained from ponds, lakes ...

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Water Distribution System 7th Edition Exam Questions With Correct Answers

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What is stratification in lakes and reservoirs? - ANSWER-Formation of separate layers of temperature, plant life, or animal life What causes the elevation and slope of water tables and artesian pressure levels to change? - ANSWER-Seasonal variations in the supply of water How extensive should ...

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AWWA ABC Water Distribution Grades 1 & 2 Exam Questions and Answers

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The number of monthly distributions system bacteriologiacal samples required is - ANSWER-Based on the population served What is the maximum contaminant level for total trihalomethanes (TTHM) in the united States? - ANSWER-0.080 mg/L Under the Surface Water Treatment Rule, disinfection residual...

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Water Distribution Vocabulary Exam Questions & Answers 100% Solved

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Bog - ANSWER-A wetland with moss and acidic water, typically found in cooler climates Divide - ANSWER-A ridge of land that separates two watersheds; there is a continental one in North America in the Rocky Mountains Estuary - ANSWER-A partially enclosed body of water along the coast where fres...

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Level 1 water distribution practice test Questions and Answers(Graded A+)

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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 collected per month is based on Wich of the following ? - ANSWER-The population served by the system When a distribution b...

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8.E.1.1 Water Distribution Exam Questions and Answers(RATED A+)

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Estuary - ANSWER-the area where a freshwater stream or river merges with the ocean freshwater - ANSWER-water that has a low salinity. glacier - ANSWER-A large mass of moving ice and snow on land groundwater - ANSWER-water held underground in the soil or in pores and crevices in rock. hyd...

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CDPH Water Distribution Grade 2 Exam Questions and Answers 100% Accurate

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What term is used when a water utility divides its total operating expenses into the total revenue? a.) Debt ratio b.) Operating ratio c.) Credit ratio d.) Coverage ratio - ANSWER-b.) Operating ratio Under the requirements of the Safe Drinking Water Act, it is the duty of the water purveyor...

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Mass Drinking Water Distribution Grade 1 Study Guide With Complete Solutions !!

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as the temperature of water increases the disinfection process - ANSWER-more effective water with a ph of 8.0 is considered - ANSWER-basic what is a low voltage electrical system that is used to prevent rust corrosion and pitting of metal surfaces in contact with water - ANSWER-cathodic protec...

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Water Distribution, Watersheds, Groundwater Vocabulary Exam Questions and Answers(Rated A)

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Impermeable - ANSWER-Does not allow water to flow through Permeable - ANSWER-Having pores or openings that allow water or other liquids to flow through them Aquifer - ANSWER-An underground layer of rock or soil that holds water Artesian Well - ANSWER-An underground water source in which wat...

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Chapter One: Introduction to Water Distribution Exam Questions & Answers 100% Correct

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Water Cycle - ANSWER-The process of evaporation of water into the air and its return to earth by precipitation (rain or snow). This process also includes transpiration from plants, groundwater movement, and runoff in to rivers, streams, and the ocean. Also called the hydrologic cycle. Direct Runo...

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