WATER DISTRIBUTION LATEST
D2 CALIFORNIA EXAM
An objectionable feature of iron and manganese in water is -
ANSWERS-staining of fixtures.
The pressure that a pump must operate against is measured in -
ANSWERS-pounds per square inch
If the speed of a centrifugal pump is increased, and the head remains the
same, the gallons per minute output will - ANSWERS-increase
A suspension of very minute particles that cause an appearance of
cloundiness is called - ANSWERS-turbidity.
The diameter of a cylindrical tank is 10 feet. If filled to a depth of 10
feet, it will contain appoximately how many gallons of water? -
ANSWERS-5,872
How many cubic yards of earth are excavated if you dig a trench 3 feet
wide, 9 feet deep, and 1,200 feet long? - ANSWERS-1,200
Hardness i n water is caused by - ANSWERS-calcium and magnesium.
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PAGE
1
, WATER DISTRIBUTION LATEST
D2 CALIFORNIA EXAM
Contaminant monitoring requirements can depend on - ANSWERS-all
of the above
Sodium hypochlorite is - ANSWERS-a compound that can be purchased
in liquid solution and can be used for disinfection.
The abbreviation DO stands for - ANSWERS-dissolved oxygen
High nitrate concentrations in water can affect - ANSWERS-infanta.
A corporatio stop is used to - ANSWERS-connect the service line to the
water main under pressure.
The Difference between the static ground water level and the pumping
level is the - ANSWERS-drawdown
A customer complaint about the presence of brown floc in tap water can
best be handled by - ANSWERS-investigating the problem as soon as
possible
END OF
PAGE
2
D2 CALIFORNIA EXAM
An objectionable feature of iron and manganese in water is -
ANSWERS-staining of fixtures.
The pressure that a pump must operate against is measured in -
ANSWERS-pounds per square inch
If the speed of a centrifugal pump is increased, and the head remains the
same, the gallons per minute output will - ANSWERS-increase
A suspension of very minute particles that cause an appearance of
cloundiness is called - ANSWERS-turbidity.
The diameter of a cylindrical tank is 10 feet. If filled to a depth of 10
feet, it will contain appoximately how many gallons of water? -
ANSWERS-5,872
How many cubic yards of earth are excavated if you dig a trench 3 feet
wide, 9 feet deep, and 1,200 feet long? - ANSWERS-1,200
Hardness i n water is caused by - ANSWERS-calcium and magnesium.
END OF
PAGE
1
, WATER DISTRIBUTION LATEST
D2 CALIFORNIA EXAM
Contaminant monitoring requirements can depend on - ANSWERS-all
of the above
Sodium hypochlorite is - ANSWERS-a compound that can be purchased
in liquid solution and can be used for disinfection.
The abbreviation DO stands for - ANSWERS-dissolved oxygen
High nitrate concentrations in water can affect - ANSWERS-infanta.
A corporatio stop is used to - ANSWERS-connect the service line to the
water main under pressure.
The Difference between the static ground water level and the pumping
level is the - ANSWERS-drawdown
A customer complaint about the presence of brown floc in tap water can
best be handled by - ANSWERS-investigating the problem as soon as
possible
END OF
PAGE
2
