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Exam (elaborations)

CDPH WATER DISTRIBUTION GRADE 2 QUESTIONS AND CORRECT ANSWERS 100% UPDATED

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CDPH Water Distribution Grade 2

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1 of 68

Term



A system that fails to collect water samples in their distribution
system would fall under which public notification requirement?


a.) Tier I
b.) Tier II
c.) Tier III
d.) Tier IV



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a.) Tier I a.) 10 feet




d.) Stuffing box c.) Watts consumed


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, 2 of 68

Term



What is the height to which siphoned water can be lifted at sea
level?


a.) 22.4 feet
b.) 32.0 feet
c.) 33.9 feet
d.) 34.0 feet



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c.) Heated c.) 33.9 feet




c.) Expansion joint c.) 25 to 50%


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, 3 of 68

Term



Electrical demand in a wiring system is determined by the amount of:


a.) Ohms in the entire system
b.) Voltage a system draws
c.) Watts consumed
d.) Water pressure in the system



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c.) Send all analysis results to the
c.) Watts consumed
State periodically




a.) Tier I c.) Expansion joint


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, 4 of 68

Term


Where should sodium hypochlorite (liquid bleach) be stored?


a.) Away from flammable objects, as it is a fire hazard
b.) Away from equipment that is susceptible to corrosion
c.) In closed containers at room temperature for no longer than 6
months
d.) Near the chemical feed pump day tank, to lessen operator
handling risks



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d.) Wire pump, compressors and
b.) Away from equipment that
electrical components of the water
is susceptible to corrosion
system




d.) Use a chlorine gas detector and
d.) Sudden changes in direction or
place it next to any area suspected
velocity of flow
of leaking


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5 of 68

Term



When chlorine gas is added to water the pH goes down due to:


a.) Chlorine gas producing caustic substances
b.) Two base materials that form

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May 6, 2026
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