Treatment
Investigate immediately. Ans- If a consumer complains about the drinking water characteristics, the
operator should record the complaint and
Operating ratio Ans- What term is used when a water utility divides its total operating expenses into the
total revenue?
Daily Ans- How often should operating data, such as flow rate, amount of water treated, dosage of
chemical, and reservoir levels be recorded?
Document that safe drinking water has been delivered to customers Ans- Which of the following is the
most important reason to keep daily records of operational data?
Consumer's tap inside the home. Ans- Under the requirements of the Safe Drinking Water Act, it is the
duty of the water purveyor to deliver potable water of proper quantity only as far as the
15 service connections or over 25 persons for over 60 days a year. Ans- According to the Safe Drinking
Water Act, the basic definition of a public water supply system is any water system that supplies water
for human consumption that serves
Water system owner Ans- What agent is responsible for for reporting lab results to the regulatory
agency?
3 months of the violation in a daily newspaper in the area served by the system. Ans- According to the
USEPA drinking water regulations, the owner or operator of a public water system which fails to comply
with applicable monitoring requirements must give notice to the public within
OSHA Ans- What federal law is designed to protect the safety and health of operators?
Safe Drinking Water Act Ans- What federal law regulates public water supplies?
, Gravity Ans- What causes water to move through pores in soil and rocks?
Coliform bacteria Ans- What is commonly used indicator of possible health problems found in plants,
soil, water and the intestines of humans and warm-blooded animals?
Pathogenic Ans- What are disease producing bacteria called?
Calcium and Magnesium Ans- What are the two main causes of hardness in water?
Deep well in gravel Ans- Which source of water has the greatest natural protection from bacterial
contamination?
Rotameter Ans- What device measures the flow rate of gases?
According to the manufacturer recommendations Ans- How often should preventative maintenance for
equipment be performed?
total energy that a pump must develop for pumping to take place. Ans- Dynamic head is best described
as the
Water hammer Ans- Which of the following terms refers to the excessive internal pressure, which may
be several times the normal operating pressure and can seriously damage hydropneumatic tanks, valves,
and the piping network?
Electricity Ans- Which of the following should an operator investigate first when the well pump and
control problems occur?
start the flow of water. Ans- Most pumps must be primed before startup in order to
Act as an automatic shutoff valve when the pump stops Ans- What is the purpose of a check valve?