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WATER DISTRIBUTION SYSTEM OPERATION AND MAINTENANCE TEST REVIEW QUESTIONS AND CORRECT ANSWERS | GRADED A+ | VERIFIED ANSWERS | BRAND NEW VERSION!

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What is the purpose of water distribution systems? Correct Answers To deliver adequate quantities of water at sufficient pressure at all times under continually changing conditions while at the same time protecting water quality What is the purpose of vacuum, pressure-relief, and pressure-reducing valves? Correct Answers To prevent pipe damage from negative or excessively high pressures Under what conditions is the solid-sheeting shoring method used? When it is necessary to Correct Answers excavate in materials that will not stand in a vertical position When making pipe extensions, why are wet taps preferred over dry taps? Correct Answers Because any time the pressure in a pipeline is removed, contamination may more easily enter that line What problem can occur when air gets into the water in a pipeline and the air collects forming pockets of air? Correct Answers Air pockets can increase the resistance to flow or stop the flow of water completely What is the advantage of the

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WATER DISTRIBUTION SYSTEM OPERATION AND
MAINTENANCE TEST WITH LATEST UPDATED
(QUESTIONS AND ANSWERS) ALREADY PASSED!
What is the responsibility of the water distribution system operators?
Correct Answers Water distribution system operators have the
responsibility of ensuring that safe and pleasant drinking water is
delivered to everyones tap. Also adequate amounts of water and pressure
must be available during times of emergency, such as a fire.


What do water distribution system operators do with water distribution
facilities? Correct Answers 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? Correct Answers Ground
water &
Surface water


Why should surface waters be treated? Correct Answers Surface water is
usually treated with to remove suspended and dissolved materials and to
kill or inactivate disease-causing organisms.


Why should water distribution system operators discuss proposed
facilities with engineers? Correct Answers To find out how the engineer
intends for these facilities to be operated, maintained and repaired and
also to make suggestions on how these jobs could be done more easily.
Be sure there is adequate room for maintenance and repair equipment
even during adverse weather conditions.

, Why are adequate and reliable records very important? Correct Answers
To document the effectiveness of your operation.


To whom might you have to explain the purpose and operation of your
facilities? Correct Answers Civic organizations, school classes,
representatives of news media, and even to city council members or
directors of their district


Why is the appearance of pump stations and elevated tanks and the
grounds around them important? Correct Answers It indicates to the
public what type of operation you maintain


Why is safety important? Correct Answers Very important operator
responsibility. Most accidents result from carelessness or negligence.
Safe procedures must be stressed at all times.


Who hires water distribution system operators? Correct Answers By
cities, water agencies or districts, private utility companies or industries.


What does it take to be a good water distribution system operators?
Correct Answers DESIRE. If you want to be a qualified water
distribution system operator, you can do it.


Air gap Correct Answers An open vertical drop, or vertical empty space,
that separates a drinking (potable) water supply to be protected from
another water system in a water treatment plant or other location. This

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