WATER DISTRIBUTION EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2026
What is the most common type meter used for domestic
services? - ANSWERS-Nutating Disc
The combination of the displacement type (low flow) and
velocity type (high flow) meters are called a _____________
meter. - ANSWERS-Compound meter
In what year was the Safe Drinking Water Act passed? -
ANSWERS-1974
What is the available chlorine of calcium hypochlorite? -
ANSWERS-65%
A reverse flow condition, created by a difference in water
pressures which causes water to flow back into the
, distribution system is referred to as what? - ANSWERS-
Backflow
The maximum height in which water will rise in a perfect
vacuum above a free surface of water is: - ANSWERS-33.9ft
Backflow that is caused by a sub atmospheric or negative
pressure within a water system is known as: - ANSWERS-
Backsiphonage
A backflow prevention assembly that consists of two
independently acting approved check valves together with a
hydraulically operating, mechanically independent pressure
differential relief valve located between the check valves
would describe a - ANSWERS-Reduce pressure principle
assembly
The unobstructed vertical distance through free atmosphere
from the tip of a supply outlet or faucet supplying water to a
tank or other receiving vessel and the flood level rim of the
receptacle is called a/an: - ANSWERS-Air gap
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2026
What is the most common type meter used for domestic
services? - ANSWERS-Nutating Disc
The combination of the displacement type (low flow) and
velocity type (high flow) meters are called a _____________
meter. - ANSWERS-Compound meter
In what year was the Safe Drinking Water Act passed? -
ANSWERS-1974
What is the available chlorine of calcium hypochlorite? -
ANSWERS-65%
A reverse flow condition, created by a difference in water
pressures which causes water to flow back into the
, distribution system is referred to as what? - ANSWERS-
Backflow
The maximum height in which water will rise in a perfect
vacuum above a free surface of water is: - ANSWERS-33.9ft
Backflow that is caused by a sub atmospheric or negative
pressure within a water system is known as: - ANSWERS-
Backsiphonage
A backflow prevention assembly that consists of two
independently acting approved check valves together with a
hydraulically operating, mechanically independent pressure
differential relief valve located between the check valves
would describe a - ANSWERS-Reduce pressure principle
assembly
The unobstructed vertical distance through free atmosphere
from the tip of a supply outlet or faucet supplying water to a
tank or other receiving vessel and the flood level rim of the
receptacle is called a/an: - ANSWERS-Air gap
