Water distribution practice test D1 /D2 Questions With
Complete Solutions
"Backflow Device" is termedused to describe a device that
Correct Answers Prevents back flow of potentially
contaminated source in to drinking water
A bacteriological test that measures only the presence or
absence of Califorms is Correct Answers Colilert
A compound meter is a device which Correct Answers Provides
accurate reading over a wide range of flows
A connection made in to a main that is full or under pressure is
called a Correct Answers Wet tap
A device that automatically shuts off flow in an elevated storage
tank when the water level in the tank reache a preset level is
termed a Correct Answers Altitude valve
A new water main should be flushed disinfected at 50mg/L and
held at above 25mg/L for at least Correct Answers 24 hours
A normally burried valve located on a street water main and
leading to water service is known as Correct Answers
Corporation Stop
A ph reading of 6.0 units indicates the water sample is Correct
Answers Slightly acidic
, A Venturi is a device used to Correct Answers Measure water
flow
A water bearing formation in the soil is referred to as Correct
Answers An aquifer
An aquifer that is located underneath an aquiclude is called
Correct Answers A confined aquifer
Backspin is occurring after well shut down this indicates Correct
Answers A faulty check valve
Catholic protection is a system used for Correct Answers
Metallic corrosion inhibition
Chlorine gas Correct Answers Is heavier than air
Chlorine leak can be detected by Correct Answers Applying
ammonia vapor
Enclosed, open, and smi closed are terms used for the
designation and selection of Correct Answers Impellers
First aid for a first degree burn is to Correct Answers Submerge
the burned area in cold water
Hey bacteriological sampling bottle should be Correct Answers
Filled carefully to leave a small air space
If a pump sounds like it's pumping rocks, the most likecly cause
is Correct Answers Cavitation
Complete Solutions
"Backflow Device" is termedused to describe a device that
Correct Answers Prevents back flow of potentially
contaminated source in to drinking water
A bacteriological test that measures only the presence or
absence of Califorms is Correct Answers Colilert
A compound meter is a device which Correct Answers Provides
accurate reading over a wide range of flows
A connection made in to a main that is full or under pressure is
called a Correct Answers Wet tap
A device that automatically shuts off flow in an elevated storage
tank when the water level in the tank reache a preset level is
termed a Correct Answers Altitude valve
A new water main should be flushed disinfected at 50mg/L and
held at above 25mg/L for at least Correct Answers 24 hours
A normally burried valve located on a street water main and
leading to water service is known as Correct Answers
Corporation Stop
A ph reading of 6.0 units indicates the water sample is Correct
Answers Slightly acidic
, A Venturi is a device used to Correct Answers Measure water
flow
A water bearing formation in the soil is referred to as Correct
Answers An aquifer
An aquifer that is located underneath an aquiclude is called
Correct Answers A confined aquifer
Backspin is occurring after well shut down this indicates Correct
Answers A faulty check valve
Catholic protection is a system used for Correct Answers
Metallic corrosion inhibition
Chlorine gas Correct Answers Is heavier than air
Chlorine leak can be detected by Correct Answers Applying
ammonia vapor
Enclosed, open, and smi closed are terms used for the
designation and selection of Correct Answers Impellers
First aid for a first degree burn is to Correct Answers Submerge
the burned area in cold water
Hey bacteriological sampling bottle should be Correct Answers
Filled carefully to leave a small air space
If a pump sounds like it's pumping rocks, the most likecly cause
is Correct Answers Cavitation
