Water Supply Systems Taken by: samcaptain111
Overview 5% Score
1. What describes a reverse flow condition created by a difference in water
pressures that causes water to flow back into the distribution pipes of a
potable water supply?
Backsiphonage inch
Backflow
Positive displacement
Negative pressure
2. A tempering valve may be needed on a combination domestic hot water
and space heating system. The tempering valve
mixes cool water with the hot water before sending the water to a
fan coil.
raises the temperature of the domestic hot water delivered to the
house.
reduces the temperature of the water to the domestic hot water
side.
protects people from scalding when bleeding radiators or radiant
piping systems.
3. Which is the first step in water purification?
chlorination
aeration and settling
sedimentation
storage
, 4. What type of water well is most likely to become contaminated from
nearby human activity?
drilled well
driven well
dug well
5. Who is typically responsible for the installation of water meters in
residential areas?
a licensed plumber
a city or county employee
the homeowner
a private contractor
6. What term describes any unwanted flow of used or nonpotable water back
into the potable water distribution system?
Backflow
Siphonage
Contamination
Coagulation
7. Which component is primarily utilized in water treatment systems to
enhance the removal of dissolved gases and oxidize certain metals?
filtration systems
aerators
chlorinators
sedimentation tanks
Overview 5% Score
1. What describes a reverse flow condition created by a difference in water
pressures that causes water to flow back into the distribution pipes of a
potable water supply?
Backsiphonage inch
Backflow
Positive displacement
Negative pressure
2. A tempering valve may be needed on a combination domestic hot water
and space heating system. The tempering valve
mixes cool water with the hot water before sending the water to a
fan coil.
raises the temperature of the domestic hot water delivered to the
house.
reduces the temperature of the water to the domestic hot water
side.
protects people from scalding when bleeding radiators or radiant
piping systems.
3. Which is the first step in water purification?
chlorination
aeration and settling
sedimentation
storage
, 4. What type of water well is most likely to become contaminated from
nearby human activity?
drilled well
driven well
dug well
5. Who is typically responsible for the installation of water meters in
residential areas?
a licensed plumber
a city or county employee
the homeowner
a private contractor
6. What term describes any unwanted flow of used or nonpotable water back
into the potable water distribution system?
Backflow
Siphonage
Contamination
Coagulation
7. Which component is primarily utilized in water treatment systems to
enhance the removal of dissolved gases and oxidize certain metals?
filtration systems
aerators
chlorinators
sedimentation tanks
