WATER DISTRIBUTION D2 CALIFORNIA PRACTICE TEST EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+ 2026

WATER DISTRIBUTION D2 CALIFORNIA
PRACTICE TEST EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+ 2026




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.

, Hardness may be expressed in - ANSWERS-Milligrams per
litre as CaCO3


The basic unit of electrical power is the - ANSWERS-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? - ANSWERS-4,603


Check valves are used to - ANSWERS-permit flow in only one
driection


Standard pumper connection fire hydranta should not be
installed on water mains smaller then ----inches in diameter.
- ANSWERS-6


Beards or long sideburns prohibit an operator from safely -
ANSWERS-wearing the face mask of a self contained
breathing apparatus.


The water table is defined as the - ANSWERS-upper surface
of the groundwater.