WATER DISTRIBUTION OPERATION AND MAINTENANCE
EXAM TEST WITH LATEST UPDATED (QUESTIONS AND
ANSWERS) ALREADY PASSED!!
Chlorination is the most common means of disinfection used today to
protect the public's health Correct Answers True
As water mains and reservoirs become older, they require less
maintenance Correct Answers False
Routine water quality monitoring consists of collecting samples at
remote locations in the system and testing fro chlorine residual and
coliforms. Correct Answers True
Existing contaminant limits mar be modified is EPA's ongoing research
reveals new information about the effects of a particular substance
Correct Answers True
Reservoirs that are not heavily used can be a source of taste, odor, and
contamination problems Correct Answers True
When someone contacts you complaining that their drinking water looks
muddy tastes bad, or smells bad, you need not be concerned Correct
Answers False
The lack of circulation in a dead end creates nearly ideal conditions for
degrading water quality Correct Answers True
, Groundwaters are more succeptible to contamination that surface waters
Correct Answers False
A water supply that is satisfactory for one purpose, might be entirely
unsatisfactory for another Correct Answers True
Chloramines are considered a more powerful disinfectant than chlorine
Correct Answers True
Under what conditions should water mains be located adjacent to sewer
lines? Correct Answers When physical conditions or soil conditions
prevent minimum separation distances from being met
How can corrosion be prevented on the insides of cement or metal pipes
Correct Answers Line with asphalt or coal tar coatings
What influences the knowledge and skills required to work as a water
distribution system operator in a given system? Correct Answers The
size of the water distribution system
What are organics? Correct Answers Chemical substances that are based
on the element carbon
Why are chloramines more effective against biofilms than chlorine?
Correct Answers More persistent
EXAM TEST WITH LATEST UPDATED (QUESTIONS AND
ANSWERS) ALREADY PASSED!!
Chlorination is the most common means of disinfection used today to
protect the public's health Correct Answers True
As water mains and reservoirs become older, they require less
maintenance Correct Answers False
Routine water quality monitoring consists of collecting samples at
remote locations in the system and testing fro chlorine residual and
coliforms. Correct Answers True
Existing contaminant limits mar be modified is EPA's ongoing research
reveals new information about the effects of a particular substance
Correct Answers True
Reservoirs that are not heavily used can be a source of taste, odor, and
contamination problems Correct Answers True
When someone contacts you complaining that their drinking water looks
muddy tastes bad, or smells bad, you need not be concerned Correct
Answers False
The lack of circulation in a dead end creates nearly ideal conditions for
degrading water quality Correct Answers True
, Groundwaters are more succeptible to contamination that surface waters
Correct Answers False
A water supply that is satisfactory for one purpose, might be entirely
unsatisfactory for another Correct Answers True
Chloramines are considered a more powerful disinfectant than chlorine
Correct Answers True
Under what conditions should water mains be located adjacent to sewer
lines? Correct Answers When physical conditions or soil conditions
prevent minimum separation distances from being met
How can corrosion be prevented on the insides of cement or metal pipes
Correct Answers Line with asphalt or coal tar coatings
What influences the knowledge and skills required to work as a water
distribution system operator in a given system? Correct Answers The
size of the water distribution system
What are organics? Correct Answers Chemical substances that are based
on the element carbon
Why are chloramines more effective against biofilms than chlorine?
Correct Answers More persistent
