Water Treatment Operator Class 1 Exam 1
Questions with Correct Answers
Why do many sources of water need treatment?
Many sources of water need treatment because they have been polluted and contaminated by
man and nature and are not directly suitable for drinking.
Why is there a need for water treatment plant operators?
Water treatment plant operators are needed to operate, maintain, repair and manage the water
treatment plants that provide us with safe drinking water.
Why must water treatment plant operators be responsible persons?
Water treatment plant operators must be responsible persons because they are responsible for
the health and well-being of the community they serve.
What is the purpose of a water treatment plant?
The purpose of a water treatment plant is to produce safe and pleasant drinking water.
Why do intake structures at water treatment plants have screens?
Intake structures at water treatment plants have screens to prevent leaves and other debris
from clogging or damaging pumps, pipes , and other pieces of equipment in the treatment
plant.
How is the sludge disposed of after it is removed from a sedimentation basin?
Sludge removed from a sedimentation basin is disposed of by discharge to a sewer or is dried
and then disposed of in a landfill or on land.
Why is excessive hardness removed from drinking water?
Questions with Correct Answers
Why do many sources of water need treatment?
Many sources of water need treatment because they have been polluted and contaminated by
man and nature and are not directly suitable for drinking.
Why is there a need for water treatment plant operators?
Water treatment plant operators are needed to operate, maintain, repair and manage the water
treatment plants that provide us with safe drinking water.
Why must water treatment plant operators be responsible persons?
Water treatment plant operators must be responsible persons because they are responsible for
the health and well-being of the community they serve.
What is the purpose of a water treatment plant?
The purpose of a water treatment plant is to produce safe and pleasant drinking water.
Why do intake structures at water treatment plants have screens?
Intake structures at water treatment plants have screens to prevent leaves and other debris
from clogging or damaging pumps, pipes , and other pieces of equipment in the treatment
plant.
How is the sludge disposed of after it is removed from a sedimentation basin?
Sludge removed from a sedimentation basin is disposed of by discharge to a sewer or is dried
and then disposed of in a landfill or on land.
Why is excessive hardness removed from drinking water?
