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Water Distribution D2 California
Practice Test With Correct Answers
2026
A record containing the size, location, and ties of water mains; valves; hydrants;
tanks; reservoirs; and pump stations is called a - correct-answer -comprehensive
map
What term describes water that is suitable for drinking - correct-answer -potable
a pump delivering 288,000 gallons of water in 24 hours operates at what average
flow rate? - correct-answer -200 gallons per minute
Velocity of flow in mains is usually expressed in terms of - correct-answer -Feet
per second
, 2
A competent person at an excavation work site - correct-answer -Is capable of
identifying hazarda and has the authority to take corrrective measures.
Hydrogen sulfide gas smells like - correct-answer -rotten eggs
which of the following methods can be used to renove high iron content from a
well supply? - correct-answer -oxidation and filtration.
Hardness may be expressed in - correct-answer -Milligrams per litre as CaCO3
The basic unit of electrical power is the - correct-answer -Watt
A standpipe is 84 inches in diameter and 20 feet high. How many gallons are in the
standpipe when the water is 16 feet deep? - correct-answer -4,603
Check valves are used to - correct-answer -permit flow in only one driection
Water Distribution D2 California
Practice Test With Correct Answers
2026
A record containing the size, location, and ties of water mains; valves; hydrants;
tanks; reservoirs; and pump stations is called a - correct-answer -comprehensive
map
What term describes water that is suitable for drinking - correct-answer -potable
a pump delivering 288,000 gallons of water in 24 hours operates at what average
flow rate? - correct-answer -200 gallons per minute
Velocity of flow in mains is usually expressed in terms of - correct-answer -Feet
per second
, 2
A competent person at an excavation work site - correct-answer -Is capable of
identifying hazarda and has the authority to take corrrective measures.
Hydrogen sulfide gas smells like - correct-answer -rotten eggs
which of the following methods can be used to renove high iron content from a
well supply? - correct-answer -oxidation and filtration.
Hardness may be expressed in - correct-answer -Milligrams per litre as CaCO3
The basic unit of electrical power is the - correct-answer -Watt
A standpipe is 84 inches in diameter and 20 feet high. How many gallons are in the
standpipe when the water is 16 feet deep? - correct-answer -4,603
Check valves are used to - correct-answer -permit flow in only one driection
