Water Distribution 2 California Practice test Exam Newest 2025/26

Water Distribution 2 California Practice
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test Exam Newest 2025/26
The Difference between the static ground water level and the pumping level is the -
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CORRECT ANSWER-drawdown
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A customer complaint about the presence of brown floc in tap water can best be handled
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by - CORRECT ANSWER-investigating the problem as soon as possible
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The term "aquifer" relates to which one of the following ? - CORRECT ANSWER-
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groundwater
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One indication of corrosive water is a high concentration of - CORRECT ANSWER-
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Carbon dioxide
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Catholic protection means protection against - CORRECT ANSWER-Corrosion
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The primary reason for the use of a dry barrel fire hydrant is to - CORRECT ANSWER-
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keep the hydrant from freezing
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The component parts of a well include all of the following except - CORRECT
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ANSWER-pressure switch
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At the same barometric pressure, the amount of dissolved oxygen in cold water tends to be
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............ the amount of dissolved oxygen in the warm water - CORRECT ANSWERmore
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than
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Which of the following is the principal constituent in water that causes corrosion of
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metals? - CORRECT ANSWER-dissolved oxygen
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Which component of a centritugal pump moves the water? - CORRECT ANSWER-
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impeller
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A record containing the size, location, and ties of water mains; valves; hydrants; tanks;
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reservoirs; and pump stations is called a - CORRECT ANSWER-comprehensive map
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What term describes water that is suitable for drinking - CORRECT ANSWER-potable
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a pump delivering 288,000 gallons of water in 24 hours operates at what average flow
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rate? - CORRECT ANSWER-200 gallons per minute
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Velocity of flow in mains is usually expressed in terms of - CORRECT ANSWER-Feet
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per second
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A competent person at an excavation work site - CORRECT ANSWER-Is capable of
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identifying hazarda and has the authority to take corrrective measures.
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Hydrogen sulfide gas smells like - CORRECT ANSWER-rotten eggs
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which of the following methods can be used to renove high iron content from a well
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supply? - CORRECT ANSWER-oxidation and filtration.
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Hardness may be expressed in - CORRECT ANSWER-Milligrams per litre as CaCO3
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The basic unit of electrical power is the - CORRECT ANSWER-Watt
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A standpipe is 84 inches in diameter and 20 feet high. How many gallons are in the
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