Water Distribution D2 California PraCtiCe test Questions WitH
DetaileD VerifieD ansWers (100% CorreCt ansWers) /alreaDY
GraDeD a +.
The Difference between the static ground water level and the pumping level is the - ansWer-
drawdown
A customer complaint about the presence of brown floc in tap water can best be handled by -
ansWer-investigating the problem as soon as possible
The term "aquifer" relates to which one of the following ? - ansWer-groundwater
One indication of corrosive water is a high concentration of - ansWer-Carbon dioxide
Catholic protection means protection against - ansWer-Corrosion
The primary reason for the use of a dry barrel fire hydrant is to - ansWer-keep the hydrant from
freezing
The component parts of a well include all of the following except - ansWer-pressure switch
At the same barometric pressure, the amount of dissolved oxygen in cold water tends to be
............ the amount of dissolved oxygen in the warm water - ansWer-more than
, Which of the following is the principal constituent in water that causes corrosion of metals? -
ansWer-dissolved oxygen
Which component of a centritugal pump moves the water? - ansWer-impeller
A record containing the size, location, and ties of water mains; valves; hydrants; tanks;
reservoirs; and pump stations is called a - ansWer-comprehensive map
What term describes water that is suitable for drinking - ansWer-potable
a pump delivering 288,000 gallons of water in 24 hours operates at what average flow rate? -
ansWer-200 gallons per minute
Velocity of flow in mains is usually expressed in terms of - ansWer-Feet per second
A competent person at an excavation work site - ansWer-Is capable of identifying hazarda and
has the authority to take corrrective measures.
Hydrogen sulfide gas smells like - ansWer-rotten eggs
which of the following methods can be used to renove high iron content from a well supply? -
ansWer-oxidation and filtration.
Hardness may be expressed in - ansWer-Milligrams per litre as CaCO3
DetaileD VerifieD ansWers (100% CorreCt ansWers) /alreaDY
GraDeD a +.
The Difference between the static ground water level and the pumping level is the - ansWer-
drawdown
A customer complaint about the presence of brown floc in tap water can best be handled by -
ansWer-investigating the problem as soon as possible
The term "aquifer" relates to which one of the following ? - ansWer-groundwater
One indication of corrosive water is a high concentration of - ansWer-Carbon dioxide
Catholic protection means protection against - ansWer-Corrosion
The primary reason for the use of a dry barrel fire hydrant is to - ansWer-keep the hydrant from
freezing
The component parts of a well include all of the following except - ansWer-pressure switch
At the same barometric pressure, the amount of dissolved oxygen in cold water tends to be
............ the amount of dissolved oxygen in the warm water - ansWer-more than
, Which of the following is the principal constituent in water that causes corrosion of metals? -
ansWer-dissolved oxygen
Which component of a centritugal pump moves the water? - ansWer-impeller
A record containing the size, location, and ties of water mains; valves; hydrants; tanks;
reservoirs; and pump stations is called a - ansWer-comprehensive map
What term describes water that is suitable for drinking - ansWer-potable
a pump delivering 288,000 gallons of water in 24 hours operates at what average flow rate? -
ansWer-200 gallons per minute
Velocity of flow in mains is usually expressed in terms of - ansWer-Feet per second
A competent person at an excavation work site - ansWer-Is capable of identifying hazarda and
has the authority to take corrrective measures.
Hydrogen sulfide gas smells like - ansWer-rotten eggs
which of the following methods can be used to renove high iron content from a well supply? -
ansWer-oxidation and filtration.
Hardness may be expressed in - ansWer-Milligrams per litre as CaCO3
